Prof Raphael T Haftka
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BOOKS AND PROCEEDINGS

  1. D. T. Krasteva, C. Baker, L. T. Watson, B. Grossman, W. H. Mason, and R.T. Haftka, “Distributed control parallelism for multidisciplinary design of a high speed civil transport”, in Parallel Numerical Computations with Applications, T. Yang (ed.), Kluwer Internat. Series in Engrg. and Computer Sci., Vol. 515, Norwell, MA, 1999, 119-140.

  2. Gürdal. Z., Haftka, R.T. and Hajela, P., Design and Optimization of Laminated Composite Materials, John Wiley, 1999.

  3. Barthelemy, J.F. M., and Haftka, R.T., Function Approximation, Chapter 4, (pp. 51-70) and Adelman, H.M., and Haftka, R.T., Sensitivity Analysis of Discrete Systems, Chapter 12, (pp. 291-316) in Structural Optimization: Status and Promises. Edited by M.P. Kamat, American Institute of Aeronautics and Astronautics, Washington, DC, 1993.

  4. Unger, E.R., Haftka, R.T., Grossman, B., and Mason, W. H., Integrated Aerodynamic-Structural Design of Aircraft Wings, in Control and Dynamics Systems, Advances in Theory and Applications, Vol. 57: Multidisciplinary Engineering Systems: Design and Optimization Techniques and their Application. Edited by C. T. Leondes pp 55-107. Academic Press, 1993.

  5. Haftka, R. T, and Gürdal, Z., “Element of Structural Optimization,” 3rd Edition, Kluwer Publishers 1992.

  6. Haftka, R. T., Gürdal, Z., and Kamat, M. P., “Elements of Structural Optimization,” 2nd Edition, Kluwer Publishers, 1990.

  7. Adelman, H. M. and Haftka, R. T., (Editors), “Sensitivity Analysis in Engineering,” Proceedings of Symposium held at Hampton, Virginia, September 1986, NASA CP-2457,1987.

  8. Haftka, R. T. and Kamat, M. P., “Elements of Structural Optimization,” Martinus Nijhoff, The Hague, 1985.

  9. Haftka, R. T., “Finite Element and Optimization,” Chapter 4 of Foundation of Structural Optimization: A Unified Approach (A. J. Morris, Editor), John Wiley, 1982.

REFERRED JOURNALS

  1. Samad, A., Wei, Shyy., Kim, K.-Y., Goel, T., and Haftka, R.T., (2008), “Multiple Surrogate Modeling for Axial Compressor Blade Shape Optimization,” Journal of Propulsion and Power24 (2): 302-310. | View Publication

  2. Kale, A.A, and Haftka, R.T., (2008) “Tradeoff of Weight and Inspection Cost in Reliability-Based Structural Optimization,” Journal of Aircraft, 45 (1): 77-85. | View Publication

  3. Kale, A.A, Haftka, R.T., and Sankar, B.V., (2008) “Efficient Reliability Based Design and Inspection of Stiffened Panels against Fatigue,” Journal of Aircraft, 45 (1): 86-97. | View Publication

  4. Samad, A., Shin, D.-Y., Kim, K.-Y., Goel, T., and Haftka, R.T., (2007), “Surrogate Modeling for Optimization of Dimpled Channel to Enhance Heat Transfer Perormance,” Journal of Thermophysics and Heat Transfer21 (3): 667-670. | View Publication

  5. Martinez, O.A, Sankar, B.V., Haftka, R.T., Bapanapalli, S.K., Max L. Blosser, M.L., (2007), “Micromechanical Analysis of Composite Corrugated-Core Sandwich Panels for Integral Thermal Protection Systems,” AIAA Journal, 45(9): (2323-2336). | View Publication

  6. Schutte, J.F., Haftka, R.T., and Fregly, B.J. (2007) “Improved global convergence probability using multiple independent optimizations,” International Journal of Numerical Methods in Engineering  71(6) 678-702, August. | View Publication

  7. Acar, E., Kale, A., and Haftka, R.T. (2007)“Comparing Effectiveness of Measures That Improve Aircraft Structural Safety,” Journal of Aerospace Engineering, 20(3): 186-199. | View Publication

  8. Acar, E., and Haftka, R.T., (2007) “Reliability-Based Aircraft Structural Design Pays, Even with Limited Statistical Data,” J.Aircraft, 44 (3): 812-823. | View Publication

  9. Missoum, S., Ramu, P., and Haftka, R.T., (2007), “A Convex Hull Approach for the Reliability-Based Design Optimization of Nonlinear Transient Dynamic Problems,” Comput. Methods Appl. Mech. Engrg., 196 ,2895-2906. | View Publication

  10. Goel, T., Haftka, R.T., Shyy, W., Queipo, N.V., (2007) “Ensemble of Multiple Surrogates”, Structural and Multidisciplinary Optimization, 33(3): 199-216. | View Publication

  11. Mack, Y., Goel, T.,Shyy, W., Haftka, R.T., “Surrogate Model-based Optimization Framework: A Case Study in Aerospace Design”, to appear in Evolutionary Computation in Dynamic and Uncertain Environments, Editors S. Yang, Y.S. Ong, and Y. Jin, Springer Kluwer Academic Press. | View Publication

  12. Acar, E., Haftka, R.T., and Johnson, T.F., (2007) “Tradeoff of Uncertainty Reduction Mechanisms for Reducing Weight of Composite Laminates,” ASME Journal of Mechanical Design, 129 (3), 266-274. | View Publication

  13. Reinbolt, J.A., Haftka, R.T., Chmielewski, T.L., and Fregly, B.J., (2007) “Are Patient-Specific Joint and Inertial Parameters Needed for Accurate Inverse Dynamics Analyses of Gait?” IEEE Transaction on Biomedical Engineering, 54 (5), 782-793. | View Publication

  14. Papila, M., Haftka, R.T., Nishida, T, and Sheplak, M., (2006) “Piezoelectric Microphone Design Pareto Optimization: Tradeoff Between Sensitivity and Noise Floor,” Journal of Micromechanical Systems, 15(6), 1632-1643. | View Publication

  15. Haftka, R.T., Rosca, R.I., and Nikolaidis, E., (2006), “An Approach for Testing Methods for Modeling Uncertainty,” Journal of Mechanical Design 128 (5) 1038-1049. | View Publication

  16. Groenwold, A.A., and Haftka, R.T., (2006) “Optimization with Non-homogeneous Failure Criteria like Tsai-Wu for Composite Laminates,” Structural and Multidisciplinary Optimization, 32 (3), 183-190. | View Publication

  17. Hosder, S. Grossman, B., Haftka, R. T., Mason, W. H., and Watson, L. T. (2006), “Quantitative Relative Comparison of CFD Simulation Uncertainties for a Transonic Diffuser,” Computers and Fluids, 35 (10), 1444-1458, December. | View Publication

  18. Ramu, P., Qu, X., Youn, B.D, and Choi, K.K., (2006), “Inverse reliability measures and reliability-based design optimization,” Int. J. Reliability and Safety 1 (1/2) 187-205. | View Publication

  19. Koh, B.-I., George, A.D., Haftka, R.T., and Fregly, B.J., (2006), “Parallel Asynchronous Particle Swarm Optimization,” International Journal for Numerical Methods in Engineering 67 (4) 578-595, July. | View Publication

  20. Goel, T., Haftka, R. T., Papila, M., Shyy, W., (2006) “Generalized Bias Error Bounds for Response Surface Approximation,” International Journal of Numerical Methods in Engineering 65 (12) 2035-2059, March. | View Publication

  21. Haftka, R.T., and Watson, L.T., (2006) “Decomposition Theory for Multidisciplinary Design Optimization Problems with Mixed Integer Quasiseparable Subsystems,” Optimization and Engineering, 7, 135–149. | View Publication

  22. Acar, E., Haftka, R.T., Sankar, B.V. and Qui, X., (2006) “Increasing Allowable Flight Loads by Improved Structural Modeling,” AIAA Journal, 44 (2), 376-381. | View Publication

  23. Acar, E., Kale, A., Haftka, R.T., and Stroud, W.J., (2006) “Structural Safety Measures for Airplanes,” Journal of Aircraft, 43 (1), 30-38. | View Publication

  24. Grosset, L., Le Riche, R., and Haftka, R.T., (2006) “A double-distribution statistical algorithm for composite laminate optimization,” Structural and Multidisciplinary Optimization, 31 (1), 49-59. | View Publication

  25. Huang, J., and Haftka, R.T., (2005) “Optimization of fiber orientations near a hole for increased load carrying capacity of composite laminates,” Structural and Multidisciplinary Optimization, 30 (5), 335-341. | View Publication

  26. Schutte, J.F., Koh, B.I., Reinbolt, J.A., Fregly, B.J., Haftka R.T. and George, A.D., “Evaluation of a Particle Swarm Algorithm For Biomechanical Optimization.,” J. Biomech.,Vol. 127, pp. 465-474, 2005. | View Publication

  27. Van Keulen, F., Haftka, R.T, and Kim, N.H., “Review of options for structural design sensitivity analysis. Part 1: Linear systems,” Computer Methods in Applied Mechanics and Engineering, Volume 194, Issues 30-33 , 12 August 2005, Pages 3213-3243.

  28. Reinbolt, J. A., Schutte, J. F., Fregly, B. J., Koh, B. I., Haftka, R. T., George, A. D., and Mitchell, K. H., “Determination of patient-specific multi-joint kinematic models through two-level optimization.” Journal of Biomechanics 38, 621-626, 2005. | View Publication

  29. Queipo, N.V., Haftka, R.T., Shyy, W., Goel, T., Vaidyanathan, R., Tucker, P.K., “Surrogate-based analysis and optimization,” Progress in Aerospace Sciences, 41, pp. 1-28, 2005. | View Publication

  30. Haftka, R.T., and Watson, L.T., “Multidisciplinary Design Optimization with Quasiseparable Subsystems,” Optimization and Engineering, 6, 9–20, March 2005. | View Publication

  31. Venkataraman,; S., Haftka, R. T., Sankar, B. V., Zhu; H., Blosser, M. L., "Optimal Functionally Graded Metallic Foam Thermal Insulation, AIAA Journal, 2004 vol. 42 no. 11, pp. 2355-2363. | View Publication

  32. Schutte, J.F., Reinbolt, J.A., Fregly, B.J., Haftka, R.T., and George, A.D., “Parallel global optimization with the particle swarm algorithm,” Int J Numerical Methods in Engineering, 61(13), 2296-2315, December 2004. | View Publication

  33. Zhu, H., Sankar, B.V., Haftka, R.T., Venkataraman, S., and Blosser, M., “Optimization of functionally graded metallic foam insulation under transient heat transfer conditions,” Structural and Multidisciplinary Optimization,” 28 (5): 349-355 Nov. 2004 | View Publication

  34. Soundappan P, Nikolaidis E, Haftka R.T, Grandhi, R., and Canfield, R., “Comparison of evidence theory and Bayesian theory for uncertainty modeling,” Reliability Engineering & System Safety 85 (1-3): 295-311 Jul-Sep 2004. | View Publication

  35. Qu, X., Venter, G., and Haftka, R.T., “New formulation of minimum-bias central composite experimental design and Gauss Quadrature,” Structural and Multidisciplinary Optimization, 28(4), pp. 231-242, 2004. | View Publication

  36. Venkataraman, S., and Haftka, R.T., “Structural optimization complexity: what has Moore’s law done for us?,” Structural and Multidisciplinary Optimization, 28(6), pp. 375-387, 2004. | View Publication

  37. Zhu, H., Sankar, B.V., Haftka, R.T., Venkataraman, S., and Blosser, M., “Minimum Mass Design of Insulation Made of Functionally Graded Material,” J. Spacecraft and Rockets, (EN), pp. 467-469, 2004. | View Publication

  38. Grosset, L., Le Riche, R. and Haftka, R.T., “A study of the effects of dimensionality on stochastic hill climbers and estimation of distribution algorithms,” Lecture Notes in Computer Science, Vol. 2936, selected and revised papers from the 6th International Conference on Artificial Evolution (EA03), Springer Verlag, May 2004, pp. 27-38. | View Publication

  39. Liu, B., Haftka, R.T., and Watson L.T., “Global-Local Structural Optimization Using Response Surfaces of Local Optimization Margins,” Structural and Multidisciplinary Optimization, 27(5), 352-359, 2004. | View Publication

  40. Qu, X., and Haftka, R.T., “Reliability-Based Design Optimization Using Probability Sufficiency Factor,” Structural and Multidisciplinary Optimization, 27(5), 314-325, 2004. | View Publication

  41. Nikolaidis, E. Chen S., Cudney, H., Haftka, R.T., and Rosca, R., “Comparison of Probability and Possibility for Design Against Failure Under Uncertainty.” ASME Journal of Mechanical Design, Vol. 126, pp. 386-394, May 2004. | View Publication

  42. Lian, Y., Shyy, W., and Haftka, R.T., “Shape Optimization of a Membrane Wing for Micro Air Vehicles (TN),” AIAA Journal 42(2), 424-426, 2004. | View Publication

  43. Liu, B. , and R.T. Haftka (2004) “Single-level composite wing optimization based on flexural lamination parameters,” Structural and Multidisciplinary Optimization, 26, 111-120. | View Publication

  44. Liu, B. , and R.T. Haftka, “Minimization of Composite Wing Weight Using Flexural Lamination Parameters,” Structural and Multidisciplinary Optimization, Vol. 26, pp. 111-120, Springer Verlag, 2004.

  45. Papila, M., and Haftka, R.T., “Implementation of a Crack Propagation Constraint within Structural Optimization Software,” Structural and Multidisciplinary Optimization, 25(5-6), pp. 327-338, 2003. | View Publication

  46. Huang, J., Venkataraman, S., Rapoff, A.J., and Haftka, R.T., “Optimization of Axisymmetric Elastic Modulus Distributions around a Hole for Increased Strength,” Structural Optimization, 25(4), pp. 1-12, 2003. | View Publication

  47. Ragon, S. A., Gürdal, Z., Haftka, R. T., Tzong, T. J. “Bilevel Design of a Wing Structure using Response Surfaces,” Journal of Aircraft, Vol. 40, No.5, September/October 2003, pp. 985-992. | View Publication

  48. Qu, X., Haftka, R.T., Venkataraman, S., and Johnson, T.F., “Deterministic and Reliability-Based Optimization of Composite Laminates for Propellant Tanks,” AIAA Journal, 41(10), pp. 2029-2036, 2003. | View Publication

  49. Lamberti, L., Venkataraman, S., Haftka, R.T., and Johnson, T.F., “Preliminary Design Optimization of Stiffened Panels Using Approximate Analysis Models,” International Journal for Numerical Methods in Engineering, 57 (10), pp. 1351-1380, 2003. | View Publication

  50. Venkataraman, S., Lamberti, L., Haftka, R.T., and Johnson, T.F., “Challenges in Comparing Numerical Solutions for Optimum Weights of Stiffened Shells”, Journal of Spacecraft and Rockets, 40(2), pp. 183-192, 2003. | View Publication

  51. Venkataraman, S., Haftka, R.T., and Rapoff, A.J., “Structural Optimization using Biological Variables to Help Understand How Bones Design Holes,” Structural Optimization, 25(1), pp. 19-34, 2003. | View Publication

  52. Kim, H., Haftka, R.T., Mason, W.H., Watson, L.T., and Grossman, B., “Probabilistic Modeling of Errors from Structural Optimization Based on Multiple Starting Points,” Optimization and Engineering, Vol. 3, pp. 415-430, 2002. | View Publication

  53. Vitali, R., Haftka, R.T., and Sankar, B.V., “Multi-fidelity design of stiffened composite panel with a crack,” Structural Optimization 23(5), pp. 347-356, June 2002. | View Publication

  54. C.A. Baker, B. Grossman, R.T. Haftka, W.H. Mason and L.T. Watson, “High-Speed Civil Transport Design Space Exploration Using Aerodynamic Response Surface Approximations,” Journal of Aircraft, Vol. 39, No. 2, March-April 2002, pp. 215-220. | View Publication

  55. Vitali, R., Park, O., Haftka, R.T., Sankar, B.V., and Rose, C.A.,“Structural Optimization of a Hat-Stiffened Panel Using Response Surfaces,” Journal of Aircraft, 39(1), pp. 158-166, 2002. | View Publication

  56. Baker, C.A., Watson, L. T., Grossman, B., Mason, W. H. and Haftka, R. T., “Parallel global aircraft configuration design space exploration”, Internat. J. Compuer. Research, 10 (4) 2001, 501-515.

  57. Cox, S.E., Haftka, R.T., Baker, C.A., Grossman, B., Mason, W.H., and Watson, L.T., “A Comparison of Global Optimization Methods for the Design of a High-speed Civil Transport,” J. of Global Optimization, 21, pp. 415-433, 2001. | View Publication

  58. Gern, F.H., Ko, A., Sulaeman, E., Gundlach, J.F., Kapania, R.K., and Haftka, R.T., “Multidisciplinary Design Optimization of a Transonic Commercial Transport with Strut-Braced Wing,” J. Aircraft,” 38(6), November-December, 2001, pp. 1006-1014. | View Publication

  59. Hosder, S., Watson, L.T., Grossman, B., Mason, W.H., and Kim, H., “Polynomial Response Surface Approximations for Multidisciplinary Design Optimization of a High Speed Civil Transport,” Optimization and Engineering, 2, 431-452, 2001. | View Publication

  60. Kim, H, Papila, M., Mason, W. H., Haftka, R. T., Watson, L. T., and Grossman, B., “Detection and Repair of Poorly Converged Optimization Runs,” AIAA J., 39(12), December 2001, pp. 2242-2249. | View Publication

  61. Nikolaidis, E., and Haftka, R.T., “Theories of Uncertainty for Risk Assessment when Data is Scarce,” International Journal for Advanced Manufacturing Systems, 4(1), 49-56, 2001. | View Publication

  62. Akgün, M.A., Haftka, R.T, Wu, K.C., Walsh, J.L and Garcelon, J.H., “Efficient Structural Optimization for Multiple Load Cases Using Adjoint Sensitivities,” AIAA Journal, 39(3), 511-516, 2001. | View Publication

  63. Park, O., Haftka, R.T., Sankar, B.V., Starnes, J.H., and Nagendra, S., “Analytical-Experimental Correlation for a Stiffened Composite Panel Loaded in Axial Compression,” Journal of Aircraft, 38 (2), 379-387, 2001. | View Publication

  64. Akgün, M.A., Garcelon, J.H., and Haftka, R.T., “Fast Exact Linear and Non-linear Structural Reanalysis and the Sherman-Morrison-Woodbury Formulas,” International Journal for Numerical Journal in Engineering, 50(7), 1587-1606, 2001. | View Publication

  65. Venkataraman, S., Haftka, R.T., and Johnson, T.F., “Maximal Errors due to Use of Equivalent Properties for Sublaminates,” AIAA Journal 39(2), 2001. | View Publication

  66. Goel, A., Baker, C. A. Shaffer, C.A., Grossman, B., Mason, W.H., Watson, L.T., and Haftka, R.T., “VizCraft: a problem solving environment for configuration design of a high speed civil transport”, Computing in Science and Engineering., 3 56-66, 2001. | View Publication

  67. Soremekun,G., Gürdal, Z., Haftka, R.T., and Watson, L.T., “Composite laminate design optimization by genetic algorithm with generalized elitist selection,” Computers & Structures, 79(2), pp. 131-143, 2001. | View Publication

  68. John F. Gundlach, J.F., Tetrault, P-A., Gern, F.H., Naghshineh-Pour, A.H., Ko, A., Schetz, J.A., Mason, W.H., Kapania, R.K., Grossman, B., and Haftka, R.T., “Conceptual Design Studies of a Strut-Braced Wing Transonic Transport," Journal of Aircraft, Vol. 37, No. 6, Nov-Dec 2000, pp. 976-983. | View Publication

  69. Papila, M., and Haftka, R.T., “Response Surface Approximations: Noise, Error Repair, and Modeling Errors,” AIAA Journal 38(12), pp. 2336-2343, 2000. | View Publication

  70. Liu, B., Haftka, R.T., and Akgün M.A., “Two-Level Composite Wing Structural Optimization Using Response Surfaces,” Structural Optimization, 20(2), pp. 87-96, 2000. | View Publication

  71. Madsen, J.I., Shyy, W., and Haftka, R.T., “Response Surface Techniques for Diffuser Shape Optimization,” AIAA Journal, 38(9), pp. 1512-1518, 2000. | View Publication

  72. Garcelon, J.H., haftka, R.T., and Scotti, J.S., “Approximations in Optimization of Damage Tolerant Structures,” AIAA Journal, 38(3), pp. 517-524, 2000. | View Publication

  73. Venter, G., and Haftka, R.T., “Two-Species Genetic Algorithm for Design under Worst Case Conditions,” Evolutionary Optimization (internet Journal), 2(1), pp. 1-19, 2000.

  74. Liu,B. Haftka R.T., Akgün M. and Todoroki, A., “Permutation Genetic Algorithm For Stacking Sequence Design Of Composite Laminates”, Computer Methods in Applied Mechanics and Engineering, 186, pp. 357-372, 2000. | View Publication

  75. Venter G., and Haftka, R.T., “Using Response Surface Approximations in Fuzzy Set Based Design Optimization,” Structural Optimization, 18(4), pp. 218-227, 1999. | View Publication

  76. Krasteva, D.T., Watson, L.T., Baker, C., Grossman, B., Mason, W.H. and Haftka, R.T.,“Distributed Control Parallelism in Multidisciplinary Aircraft Design,” Concurrency: Practice and Experience, 11(8), pp. 435-459, 1999. | View Publication

  77. Gangadharan, S.N., Nikloaidis, E., Lee, K., Haftka, R.T., and Burdisso, R., “Antioptimization for Comparison of Alternative Structural Models and Damage Detection,” AIAA Journal, 37(7), pp. 857-864, 1999. | View Publication

  78. Haim, D., Giunta, A.A, Holzwarth, M.M., W. H. Mason, L. T. Watson, and R. T. Haftka, “Comparison of optimization software packages for an aircraft multidisciplinary design optimization problem, ”Design Optimization: International Journal for Product and Process Improvement, MCB University Press, West Yorkshire, England, Vol 1, No. 1, 1999, pp. 9-23. | View Publication

  79. Knill, D.L., Giunta, A.A., Baker, C.A., Grossman, B., Mason, W.H., Haftka, R.T., and Watson, L.T., “Response Surface Models Combining Linear and Euler Aerodynamics for Supersonic Transport Design,” Journal of Aircraft, 36(1), pp. 75-86, 1999. | View Publication

  80. Balabanov, V.O., Giunta, A.A., Golovidov, O., Grossman, B., Mason, W.H., Watson, L.T., and Haftka, R.T., Reasonable Design Space Approach to Response Surface Approximation,” Journal of Aircraft 36(1), pp. 308-315, 1999. | View Publication

  81. Mason, B.H., Haftka, R.T., Johnson, E.R., and Farley, G.L., “Variable Complexity Design of Composite Fuselage Frames by Response Surface Techniques” Thin Wall Structures 32(4), pp. 235-261, 1998. | View Publication

  82. Venter, G., Haftka, R.T., and Starnes, J.H., Jr. “Construction of Response Surface Approximation for Design Optimization,” AIAA Journal, 36(12), pp. 2242-2249, 1998. | View Publication

  83. McMahon, M.T., Watson, L.T., Soremekun, G.A., Gürdal, Z., and Haftka, R.T., “A Fortran 90 Genetic Algorithm Module for Composite Laminate Structure Design,” Engineering with Computers, 14, pp. 260-273, 1998. | View Publication

  84. Lombardi, M., and Haftka, R.T., “Anti-optimization Technique for Structural Design under Load Uncertainties,” Computer Methods in Applied Mechanics and Engineering, 157(1-2), pp. 19-31, 1998. | View Publication

  85. Roux, W.J., Stander, N., and Haftka, R.T., “Response Surface Approximations for Structural Optimization,” International Journal for Numerical Methods in Engineering, 42, pp. 517-534, 1998. | View Publication

  86. Todoroki, A., and Haftka, R.T., “Stacking Sequence Optimizations for Composite Plate Buckling by Genetic Algorithm with Response Surface in Lamination Parameters,” Transcations of JSME, A 64(621), pp. 8-15, 1998 (in Japanese). | View Publication

  87. Haftka, R.T., Scott, E.P., and Cruz, J.R., “Optimization and Experiments: A Survey,” Applied Mechanics Reviews, 51(7), pp. 435-448, 1998.

  88. Haryadi, S.G., Kapania, R.K., and Haftka R.T., “Global/local analysis of composite plates with cracks,” Composites Part B, 29(3), pp. 271-276, 1998. | View Publication

  89. Todoroki, A., and Haftka, R.T., “Stacking sequence optimization by a genetic algorithm with a new recessive gene like repair strategy,” Composites, Part B, 29(3), pp. pp. 277-285, 1998. | View Publication

  90. Haftka, R.T., and Jenkins, D.A., “Classrooom project in analytical and experimental optimization,” Structural Optimization, 15 (1), pp. 63-67, February 1998. | View Publication

  91. Giunta, A.A., Balabanov, V., Haim, D., Grossman, B., Mason, W.H., Watson, L.T., and Haftka, R.T., “Aircraft Multidisciplinary Design Optimisation Using Design of Experiments Theory and Response Surface Modelling,” Aeronautical Journal, Vol. 101, No. 1008, 1997, pp. 347-356. | View Publication

  92. Juneja, V., Haftka, R.T., and Cudney, H.H., “Damage Detection and Damage Detectability - Analysis and Experiments,” Journal of Aerospace Engineering, 10 (4), pp. 135-142, 1997. | View Publication

  93. Sobieszczanski-Sobieski, J., and Haftka, R.T., “Multidisciplinary Aerospace Design Optimization: Survey of Recent Developments, Structural Optimization, 14(1), pp. 1-23, 1997. | View Publication

  94. Kapania, R.K., Haryadi, S.G., and Haftka, R.T., “Global/Local Analysis of Composite Plates with Cutouts,” J. Comp. Mech., Apr. 1997; 19 (5), pp. 386-396. | View Publication

  95. Maglaras, G., Nikolaidis, E., Haftka, R.T., and Cudney, H.H., “Analytical-Experimental Comparison of Probabilistic methods and Fuzzy Set based Methods for Designing under Uncertainty,” Structural Optimization, 13(2/3), pp. 69-80, 1997. | View Publication

  96. Woodson, M.B., Johnson, E.R., and Haftka, R.T, “Optimal Design of Composite Fuselage Frames for Crashworthiness,” International Journal of Crashworthiness, 1(4), pp 369-380, 1996.

  97. Burgee, S., Giunta, A. A., Narducci, R., Watson, L. T., Grossman, B. and Haftka, R. T., “A Coarse Grained Parallel Variable-Complexity Multidisciplinary Optimization Paradigm,'' The International Journal of Supercomputer Applications and High Performance Computing, Vol. 10, No. 4, 1996, pp. 269-299. | View Publication

  98. Maglaras, G., Ponslet, P., Haftka, R.T., Nikolaidis, E., Sensharma, P., and Cudney, H.H., “Analytical and Experimental Comparison of Probabilistic and Deterministic Optimization,” AIAA Journal, 34(7), pp. 1512-1518, 1996 | View Publication

  99. Sensharma, P.K., and Haftka, R.T., “Limits of Stress Reduction in a Plate with a Hole using Piezoelectric Actuators,” Jounal of Intelligent Material Systems and Structures, 7(4), pp. 363-371, 1996. | View Publication

  100. Kaufman, M., Balabanov, V., Burgee, S.L., Giunta, A.A., Grossman, B., Haftka, R.T., Mason, W.H., and Watson, L.T., “Variable-Complexity Response Surface Approximations for Wing Structural Weight in HSCT Design," Computational Mechanics, 18(2), pp. 112-126, 1996. | View Publication

  101. Furuya, H., and Haftka, R.T., “Combining Genetic and Deterministic Algorithms for Locating Actuators on Space Structures,” Journal of Spacecraft and Rockets, 33(3), pp. 422-427, 1996. | View Publication

  102. Nagendra, S., Haftka, R.T., Gürdal, Z. and Watson, L.T., “Derivative based Approximation for Predicting the Effect of Changes in Laminate Stacking Sequence,” Structural Optimization, 11 (3/4), pp. 235-243, 1996. | View Publication

  103. Huang, X., Dudley, J., Haftka, R.T., Grossman, B., and Mason, W.H., “Structural Weight Estimation for Multidisciplinary Optimization of a High-Speed Civil Transport,” Journal of Aircraft, 33(3), pp. 608-616, 1996. | View Publication

  104. Balabanov, V.O., and Haftka, R.T., “Topology Optimization of Transport Wing Internal Structure,” (Technical Note), Journal of Aircraft, 33(1), pp. 232-233, 1996. | View Publication

  105. Nagendra, S., Jestin, D., Gürdal, Z., Haftka, R.T., and Watson, L.T., “Improved genetic Algorithms for the Design of Stiffened Composite Panels,” Computers & Structures, Vol. 58, No. 3, pp. 543-555, 1996. | View Publication

  106. Ponslet, E., Maglaras, G., Haftka, R.T., Nikolaidis, E., and Cudney, H.H., “Comparison of Probabilistic and Deterministic Optimization using Genetic Algorithms,” Structural Optimization, 10 (3/4), pp. 247-257, December 1995. | View Publication

  107. Furuya, H., and Haftka, R.T., “Placing Actuators on Space Structures by Genetic Algorithms and Effectiveness Indices,” Structural Optimization Vol. 9, Apr. 1995, 69-75.| View Publication

  108. Furuya, H., and Haftka, R.T., “Static Shape Control of Space Trusses with Partial Measurements,” Journal of Spacecraft and Rockets, 32(5), 856-865, 1995. | View Publication

  109. Narducci, R., Grossman, B., and Haftka, R.T., “Sensitivity Algorithms for an Inverse Design Problems involving Shock Waves,” Inverse Problems in Engineering, 2, pp. 49-83, 1995.

  110. Le Riche, R., and Haftka, R.T., “Improved Genetic Algorithm for Minimum Thickness Composite Laminate Design,” Composite Engineering, 5(2), pp. 143-161, 1995. | View Publication

  111. Zhou, M., and Haftka, R.T., “A Comparison of Optimality Criteria Methods for Stress and Displacement Constraints,” Computer Methods in Applied Mechanics and Engineering, 124, pp. 253-271, 1995. | View Publication

  112. Elishakoff, I., Haftka, R.T., and Fang, J., “Structural Design Under Bounded Uncertainty - Optimization with Anti-optimization,” Computers and Structures, 53(6), pp. 1401-1405, 1994.

  113. Messer, R.S., Haftka, R.T., and Cudney, H.H., “Cost of Model Reference Adaptive Control: Analysis, Experiments, and Optimization,” Journal of Guidance, Control, and Dynamics, 17(5), pp. 975-982, 1994. | View Publication

  114. Lee, J., Haftka, R.T., Griffin, O.H., Jr., Watson, L.T., and Sensmeier, M.D., “Detecting Delamination in a Composite Beam using Anti-optimization,” Structural Optimization, 8(2/3), pp. 93-100, October, 1994. | View Publication

  115. Kogiso, N., Watson, L.T., Gürdal, Z., Haftka, R.T., and Nagendra, S., “Design of Composite Laminates by a Genetic Algorithm with Memory,” Mechanics of Composite Materials and Structures, 1(1), pp. 95-117, September 1994. | View Publication

  116. Ponslet, E., Haftka, R.T., and Cudney, H.H., “Model Reduction and Eigenvalue Sensitivity for Controlled Structures,” Computers and Structures, 51(4), pp. 373-380, May, 1994.

  117. Gürdal, Z., Haftka, R.T., and Nagendra, S., “Genetic Algorithms for the Design of Laminated Composite Panels,” SAMPE Journal, 30 (3), pp. 29-35, 1994. | View Publication

  118. Kadivar, M.H., Sensharma, K.P., and Haftka, R.T., “Effect of Isotropy of Actuation Strains for a Plate with a Hole,” (TN) AIAA J., 32 (8), pp. 1743-1745, 1994. | View Publication

  119. Kogiso, N., Watson, L.T., Gürdal, Z., and Haftka, R.T., “Genetic Algorithms with Local Improvement for Composite Laminate Design,” Structural Optimization, Vol 7. (4), pp. 207-218, 1994. | View Publication

  120. Mróz, Z., and Haftka, R.T., “Design Sensitivity Analysis of Non-Linear Structures in Regular and Critical States,” Int. J. Solids Structures, 31(13), pp. 2071-2098, 1994.

  121. Sensharma, P.K., Kadivar, M.H., and Haftka, R.T., “Effect of Partial Thickness Actuation on Stress Concentration Reduction near a Hole,” (TN) AIAA Journal, 32 (4), pp. 884-886, 1994. | View Publication

  122. Nagendra, S., Gürdal, Z., Haftka, R.T., and Starnes, J.H., Jr., “Buckling and Failure Characteristics of Compression-Loaded Stiffened Composite Panels with a Hole,” Composite Structures, 28, pp. 1-17, 1994. | View Publication

  123. Sankaranarayanan, S., Haftka, R.T., and Kapania, R.K., “Truss Topology Optimization with Simultaneous Analysis and Design,” AIAA Journal, 32(2), pp. 420-424, 1994. | View Publication

  124. Ponslet, E., Haftka, R.T., Hallauer, W.L., and Cudney, H.H., “Desensitizing Structural-Control Design,” Journal of Guidance, Control and Dynamics, 17(1), pp. 175-180, 1994. | View Publication

  125. Hutchison, M.G., Unger, E.R., Mason, W.H., Grossman, B., and Haftka, R.T., “Variable-Complexity Aerodymnamic Optimization of a High-Speed Civil Transport Wing,” Journal of Aircraft, 31(1), pp. 110-116, 1994. | View Publication

  126. Shankar, J., Ribbens, C.J., Haftka, R.T, and Watson, L.T.,”Computational study of a nonhierarchical decomposition algorithm'', Comput. Optim. Appl., 2 (1993) 273-293.

  127. Sensharma, P.K., Palaneträ, M.J., and Haftka, R.T., “Stress Reduction in an Isotropic Plate with a Hole by Applied Induced Strains,” Journal of Intelligent Material Systems and Structures, 4(4), pp. 509-518, 1993. | View Publication

  128. Rakowska, J., Haftka, R.T., and Watson, L.T., “Multi-Objective Control-Structure Optimization via Homotopy Methods,” SIAM Journal of Optimization, 3(3), pp. 654-667, 1993.

  129. Haftka, R.T., “Semi-Analytical Static Nonlinear Sensitivity Analysis,” AIAA Journal, 31(7), pp. 1307-1312, 1993. | View Publication

  130. Chang, K.J., Haftka, R.T., Giles, G.L., and Kao, P.-J., “Sensitivity-Based Scaling for Approximating Structural Response,” Journal of Aircraft, 30(2), pp. 283-287, 1993. | View Publication

  131. Joh, C.-Y., Grossman, B., and Haftka, R.T., “Design Optimization of Transonic Airfoils,” Engineering Optimization, 21 (1), pp. 1-20, 1993.

  132. Barthelemy, J.-F.M., and Haftka, R.T., “Approximation Concepts for Optimum Structural Design - a Review,” Structural Optimization, 5 (3), pp. 129-144, 1993. | View Publication

  133. Le Riche, R. and Haftka, R.T., “Optimization of Laminate Stacking Sequence for Buckling Load Maximization by Genetic Algorithm,” AIAA Journal, 31 (5), pp. 951-956, 1993. | View Publication

  134. Rais-Rohani, M., Haftka, R.T., Grossman, B., and Unger E.,R., “Integrated Aerodynamic-structural-control Wing Design,”, Computing Systems in Engineering, 3(6), 1992 (came out in 1993).

  135. Haftka, R.T., Sobieski, J., and Padula, S.L., “On Options for Interdisciplinary Analysis and Design,” Structural Optimization, 4, pp. 65-74, 1992. | View Publication

  136. Unger, E.R., Hutchison, M.G., Rais-Rohani, M., Haftka, R.T., and Grossman, B., “Variable-Complexity Multidisciplinary Design of a Transport Wing,” International Journal of System Automation: Research and Applications (SARA), 2(2), pp. 87-113, 1992.

  137. Padula, S.L., Sandridge, C.A., Walsh, J.L., and Haftka, R.T., “Integerated Controls-Structures Optimization of a Large Space Structure,” Computers and Structures, 42 (5), pp. 725-732, 1992.

  138. Nagendra, S., Haftka, R.T., and Gürdal, Z., “Stacking Sequence Optimization of Simply Supported Laminates with Stability and Strain Constraints,” AIAA Journal, Vol. 30, No. 8, pp. 2132-2137, 1992. | View Publication

  139. Holnicki-Szulc, J., and Haftka, R.T., “Vibration Mode Shape Control by Prestressing,” (Technical Note), AIAA Journal, Vol. 30, No. 7, pp. 1924-1927, 1992. | View Publication

  140. Haftka, R. T., and Walsh, J. L., “Stacking Sequence Optimization for Buckling of Laminated Plates by Integer Programming,” AIAA Journal, Vol. 30, No. 3, pp. 814-819, 1992. | View Publication

  141. Rakowska, J., Haftka, R.T., and Watson, L. T., “Tracing the Efficient Curve for Multi-Objective Control-Structure Optimization,” Computing Systems in Engineering, Vol. 2, No. 5/6, pp. 461-471, 1991.

  142. Haftka, R. T., “Limits on Static Shape Control for Space Structures,” AIAA Journal, Vol. 29, No. 11, pp. 1945-1950, 1991. | View Publication

  143. Greene, W. H. and Haftka, R. T.,“Computational Aspects of Sensitivity Calculations in Linear Transient Structural Analysis,” Structural Optimization, Vol. 3, pp. 176-201, 1991. | View Publication

  144. Barthelemy, B., Haftka, R. T., Madapur, U., and Sankaranarayanan, S., “Integrated Analysis and Design Using 3-D Finite Elements,” AIAA Journal, Vol. 29, No. 5, pp. 791-797, 1991. | View Publication

  145. Nagendra, S., Haftka, R. T., Gürdal, Z., and Starnes, J. H., “Design of Stiffened Composite Plate with a Hole,” Composite Structures, Vol. 18, pp. 195-219, 1991.

  146. Gangadharan, S. N., Nikolaidis, E., and Haftka, R. T., “Probabilistic System Identification of Two Flexible Joint Models,” AIAA Journal, Vo. 29, No. 8, pp. 1319-1326, 1991. | View Publication

  147. Schamel, G. C., and Haftka, R. T., “Application of LQG and Direct Rate Feedback to a Flexible Laboratory Structure,” Journal of Guidance, Control and Dynamics, Vol. 14, No. 5, pp. 993-1000, 1991.

  148. Rakowska, J., Haftka, R. T., and Watson, L. T., “An Active Set Algorithm for Tracing Parametrized Optima,” Structural Optimization Vol. 3, pp. 29-44, 1991. | View Publication

  149. Haftka, R. T., and Barthelemy, B., “On the Accuracy of Shape Sensitivity,” Structural Optimization, Vol. 3, pp. 1-6, 1991. | View Publication

  150. Sandridge, C. A., and Haftka, R. T., “Modal Truncation, Ritz Vectors, and Derivatives of Closed-Loop Damping-Ratios,” Journal of Guidance, Control and Dynamics, Vol. 14, No. 4, pp. 785-790, 1991. | View Publication

  151. Haftka, R.T., “Combining Global and Local Approximations,” (Technical Note), AIAA Journal, Vol. 29, No. 9, pp. 1523-1525, 1991. | View Publication

  152. Grossman, B., Haftka, R. T., Kao, P.-J, Polen, D., Rais-Rohanni, M., and Sobieszczanski-Sobieski, J., “Integrated Aerodynamic-Structural Design of a Transport Wing,” Journal of Aircraft, Vol. 27, No. 12, pp. 1050-1056, 1990. | View Publication

  153. Czajkowski, E. A., Preumont, A., and Haftka, R. T., “Spillover Stabilization of Large Space Structures,” Journal of Guidance, Control and Dynamics, Vol. 13, No. 6, pp. 1000-1007, 1990. | View Publication

  154. Yang, J. S., Nikolaidis, E., and Haftka, R. T., “Design of Aircraft Wings Subjected to Gust Loads: A System Reliability Approach,” Computers and Structures, Vol. 36, No. 6, pp. 1057-1066, 1990. | View Publication

  155. Greene, W. H., and Haftka, R. T., “Reducing Distortion and Internal Forces in Truss Structures by Member Exchanges,” AIAA Journal, Vol. 28, No. 9, pp. 1655-1662, 1990. | View Publication

  156. Gangadharan, S.N., Haftka, R.T., and Nikolaidis, E., “An Easily Implemented Static Condensation Method for Structural Sensitivity Analysis,” Communications in Applied Numerical Methods, Vol. 6, pp. 161-171, 1990.

  157. Haftka, R.T., “Stiffness-Matrix Condition Number and Shape Sensitivity Errors,” (Technical Note) to be published in the AIAA Journal, Vol. 28, No. 7, pp. 1322-1324, 1990. | View Publication

  158. Barthelemy, B., and Haftka, R. T., “Accuracy Analysis of the Semi-Analytical Method for Shape Sensitivity Calculation,” Mechanics of Structures and Machines, Vol. 18, No. 3, pp. 407-432, 1990.

  159. Haftka, R. T., Cohen, G. A., and Mróz, Z., “Derivatives of Buckling Loads and Vibration Frequencies with Respect to Stiffness and Initial Strain Parameters,” Journal of Applied Mechanics, Vol. 57, pp. 18-24, March 1990.

  160. Burdisso, R. A., and Haftka, R. T.,“Statistical Analysis of Static Shape Control in Large Space Structures,” in AIAA Journal, Vol. 28, No. 8, pp. 1504-1508, 1990. | View Publication

  161. Martinovic, Z. N., Schamel, G., Haftka, R. T., and Hallauer, W. L., “An Analytical and Experimental Investigation of Output Feedback vs. Linear Quadratic Regulator,” Journal of Guidance, Control and Dynamics, Vol. 13, No. 1, pp. 160-167, 1990. | View Publication

  162. Thareja, R., and Haftka, R. T., “Efficient Single-Level Solution of Hierarchial Problems in Structural Optimization,” AIAA Journal, Vol. 28, No. 3, pp. 506-514, 1990. | View Publication

  163. Sandridge, C. A., and Haftka, R. T., “Accuracy of Eigenvalue Derivatives from Reduced Order Structural Models,” Journal of Guidance, Control and Dynamics, 12, 6, pp. 822-829, 1989. | View Publication

  164. Haftka, R. T., "Integrated Nonlinear Analysis and Design,” AIAA Journal, 27, 11, pp. 1622-1627, 1989. | View Publication

  165. Watson, L. T., and Haftka, R. T., “Modern Homotopy Methods in Optimization,” Computer Methods in Applied Mechanics and Engineering, 76, pp. 289-305, 1989.

  166. Haftka, R. T., and Adelman, H “Recent Developments in Structural Sensitivity Analysis,” Structural Optimization, 1, pp. 137-151, 1989.

  167. Haftka, R. T., and Kapania, R. K., “Sensitivity of Actively Damped Structures to Imperfections and Modeling Errors,” AIAA Journal, Vol. 27, No. 10, pp. 1436-1440, 1989. | View Publication

  168. Burdisso, R. A., and Haftka, R. T., “Optimal Location of Actuators for Correcting Distortions in Large Space Structures,” AIAA Journal, Vol. 27, No. 10, pp. 1406-1411, 1989. | View Publication

  169. Dems, K. and Haftka, R. T., “Two Approaches to Sensitivity Analysis for Shape Variation in Structures,” Mechanics of Structures and Machines, Vol. 16, No. 4, pp. 501-522, 1989.

  170. Barthelemy, B. M. Haftka, R. T. and Cohen, G. A., “Physically Based Sensitivity Derivatives for Structural Analysis Programs,” Computational Mechanics, Vol. 4, No. 6, pp. 465-476, 1989.

  171. Haftka, R. T. and Kamat, M. P., “Simultaneous Nonlinear Structual Analysis and Design,” Computational Mechanics, Vol. 4, No. 6, pp. 409-416, 1989.

  172. Cohen, G. A. and Haftka, R. T., “Sensitivity of Buckling Loads of Anisotropic Shells of Revolution to Geometric Imperfection and Design Changes,” Computers and Structures, Vol. 31, No. 6, pp. 985-995, 1989.

  173. Haftka, R. T., Grossman, B., Eppard, W. M., Kao, P. J. and Polen, D., “Efficient Optimization of Integrated Aerodynamic-Structural Design,” International Journal for Numerical Methods in Engineering, 28, pp. 593-607, 1989.

  174. Greene, W. H. and Haftka, R. T., “Computational Aspects of Sensitivity Calculations in Transient Structural Analysis,” Computers and Structures, Vol. 32, No. 2, pp. 433-443, 1989.

  175. Padula, S. L., Adelman, H. M., Bailey, M. C. and Haftka, R. T., “Integrated Structural Electromagnetic Shape Control of Large Space Antenna Reflectors,” AIAA Journal, Vol. 27, No. 6, pp. 814-819, 1989. | View Publication

  176. Shin, Y. S., Haftka, R. T., Watson, L. T. and Plaut, R. H., “Design of Laminated Plates for Maximum Buckling Load,” Journal of Composite Materials, Vol. 23, pp. 348-370, 1989.| View Publication

  177. Gürdal, Z. and Haftka, R. T., “Automated Design of Composite Plates for Improved Damage Tolerance,” Composite Materials: Testing and Design ASTM STP 972, J.D. Whitcomb, ed., American Society for Testing and Materials, Philadelphia, pp. 5-22, 1988.

  178. Barthelemy, B., Chon, C. T. and Haftka, R. T., “Accuracy Problems Associated with Semi-Analytical Derivatives of Static Response,” Finite Elements in Analysis and Design, Vol. 4, pp. 249-265, 1988.

  179. Grossman, B., Strauch, G., Eppard, W. H., Gürdal, Z. and Haftka, R. T., “Integrated Aerodynamic/Structural Design of a Sailplane Wing,” Journal of Aircraft, Vol. 25, No. 9, pp. 855-860, 1988. | View Publication

  180. Shin, Y., Haftka, R. T. and Plaut, R. H., “Simultaneous Analysis and Design for Eigenvalue Maximization,” AIAA Journal, Vol. 26, No. 6, pp. 738-744, 1988. | View Publication

  181. Murthy, D. V. and Haftka, R. T., “Approximations to Eigenvalues of Modified General Matrices,” Computers and Structures. Vol. 29, No. 5, pp. 903-917, 1988.

  182. Shin, Y., Haftka, R. T., Watson, L. T. and Plaut, R. H., “Tracing Structural Optima as a Function of Available Resources by a Homotopy Method,” Computer Methods in Applied Mechanics and Engineering, Vol. 70, No. 2, pp. 151-164, September 1988.

  183. Haftka, R. T., “First- and Second-Order Constraint Approximations in Structural Optimization,” Computational Mechanics, Vol. 3, pp. 89-104, 1988.

  184. Murthy, D. and Haftka, R. T., “Derivatives of Eigenvalues and Eigenvectors of a General Complex Matrix,” International Journal for Numerical Methods in Engineering, Vol. 26, pp. 293-311, 1988.

  185. Haftka, R. T. and Starnes, J. H., Jr., “Stiffness Tailoring for Improved Compressive Strength of Composite Plates with Holes,” AIAA Journal, Vol. 26, No. 1, pp. 72-77, 1988. | View Publication

  186. Pritchard, J. I., Adelman, H. M. and Haftka, R. T., “Sensitivity Analysis and Optimization of Nodal Point Placement for Vibration Reduction,” Journal of Sound and Vibration, Vol. 119, No. 2, pp. 277-289, 1987.

  187. Haftka, R. T., Nachlas, J. A., Watson, L. A., Rizzo, T. and Desai, R., “Two Point Constraint Approximation in Structural Optimization,” Computer Methods in Applied Mechanics and Engineering, Vol. 60, No. 3, pp. 289-301, February 1987.

  188. Camarda, C. J., Haftka, R. T. and Riley, M. F., “An Evaluation of Higher-Order Modal Methods for Calculating Transient Structural Response,” Computers and Structures, Vol. 27, pp. 89-101, 1987.

  189. Gürdal, Z. and Haftka, R. T., “A Compressive Failure Model for Anisotropic Plates with a Cutout,” AIAA Journal, Vol. 25, No. 11, pp. 1476-1481, 1987. | View Publication

  190. Robeson, D. E., Jr., Haftka, R. T. and Sundkvist, K. E., “Potential of Optimal Ship Structure Redesign for Minor Collisions,” Journal of Ship Research, Vol. 31, No. 1, pp. 53-59, March 1987.

  191. Onoda, J. and Haftka, R. T., “An Approach to Simultaneous Structure/Control Simultaneous Optimization for Large Flexible Spacecraft,” AIAA Journal, Vol. 25, No. 8, pp. 1133-1138, 1987. | View Publication

  192. Haftka, R. T., Martinovic, Z., Hallauer, W. L. and Schamel, G., “An Analytical and Experimental Study of the Sensitivity of Control System's Sensitivity to Structural Modifications,” AIAA Journal, Vol. 25, No. 2, pp. 310-315, 1987. | View Publication

  193. Haftka, R. T. and Adelman, H. M., “The Effect of Sensor and Actuator Errors on Static Shape Control of Large Space Structures,” AIAA Journal, Vol. 25, No. 1, pp. 134-138, 1987. | View Publication

  194. Haftka, R. T. and Mróz, Z., “First and Second-Order Sensitivity Analysis of Linear and Nonlinear Structures,” AIAA Journal, Vol. 24, pp. 1187-1192, 1986. | View Publication

  195. Haftka, R. T. and Grandhi, R. V., “Structural Shape Optimization -A Survey,” Computer Methods in Applied Mechanics and Engineering, Vol. 57, pp. 91-106, 1986.

  196. Adelman, H. M. and Haftka, R. T., “Sensitivity Analysis for Discrete Structural Systems,” AIAA Journal, Vol. 24, pp. 823-832, 1986. | View Publication

  197. Grandhi, R. V., Haftka, R. T. and Watson, L. T., “Design Oriented Identification of Critical Time in Transient Response,” AIAA Journal, Vol. 24, No. 4, pp. 649-656, 1986. | View Publication

  198. Grandhi, R. V., Haftka, R. T. and Watson, L. T., “Efficient Identification of Critical Stresses in Structures Subject to Dynamic Loads,” Computers and Structures, Vol. 22, No. 3, pp. 373-386, 1986.

  199. Haftka, R. T., “Structural Optimization with Aeroelastic Constraints - A Survey of US Applications,” International Journal of Vehicle Design, Vol. 7, pp. 381-392, 1986.

  200. Gürdal, Z., Haftka, R. T. and Starnes, J. H., Jr., “The Effect of Slots on the Buckling and Postbuckling Behavior of Laminated Plates,” ASTM Journal of Composite Technology and Research, Vol. 7, No. 3, pp. 82-87, Fall, 1985.

  201. Haftka, R. T., Martinovic, Z. and Hallauer, W. L., “Enhanced Vibration Controllability by Minor Structural Modifications,” AIAA Journal, Vol. 23, No. 8, pp. 1260-1266, 1985. | View Publication

  202. Haftka, R. T.,”Sensitivity Calculations for Iteratively Solved Problems,” International Journal for Numerical Methods in Engineering, Vol. 21, pp. 1535-1546, 1985.

  203. Grandhi, R. V., Thareja, R. and Haftka, R. T., “NEWSUMT-A: A General Purpose Program for Constrained Optimization Using Constraint Approximations,” ASME Journal of Mechanisms, Transmission and Automation in Design, Vol. 107, pp. 94-99, March 1985.

  204. Gürdal, Z. and Haftka, R. T., “Design of Stiffened Composite Panels with a Fracture Constraint,” Computers and Structures, Vol. 20, No. 1-3, pp. 457-465, 1985.

  205. Haftka, R. T., “Simultaneous Analysis and Design,” AIAA Journal, Vol. 23, No. 7, pp. 1099-1103, 1985. | View Publication

  206. Haftka, R. T. and Adelman, H. M., Selection of Actuator Locations for Static Shape Control of Large Space Structures by Heuristic Integer Programming,” Computers and Structures, Vol. 20, No. 1-3, pp. 575-582, 1985.

  207. Gürdal, Z. and Haftka, R. T., “Sensitivity Derivatives for Static Test Loading Boundary Conditions,” (technical note) AIAA Journal, Vol. 23, pp. 159-160, January 1985. | View Publication

  208. Nissim, E. and Haftka, R. T., “Optimization of Cascade Blade Mistuning, Part II: Global Optimum and Numerical Optimization,” AIAA Journal, Vol. 23, pp. 1402-1410, 1985. | View Publication

  209. Haftka, R. T. and Adelman, H. M., “An Analytical Investigation of Shape Control of Large Space Structures by Applied Temperatures,” AIAA Journal, Vol. 23, pp. 450-457, 1985 | View Publication

  210. Haftka, R. T., “Optimum Placement of Controls for Static Deformations of Space Structures,” AIAA Journal, Vol. 22, pp. 1293-1298, 1984. | View Publication

  211. Haftka, R. T., “An Improved Computational Approach for Multi- Level Optimum Design,” Journal of Structural Mechanics, Vol. 12, No. 2, pp. 245-261, 1984.

  212. Haftka, R. T., “Damage Tolerant Design Using Collapse Techniques,” AIAA Journal, Vol. 21, No. 10, pp. 1462-1466, October 1983. | View Publication

  213. Haftka, R. T., “Design for Temperature and Thermal Buckling Constraints Employing a Non-Eigenvalue Formulation,” Journal of Spacecraft and Rockets, Vol. 20, No. 4, pp. 363-367, July-August 1983. | View Publication

  214. Haftka, R. T., Starnes, J. H. and Nair, S., “Design for Global Damage Tolerance and Associated Mass Penalties,” Journal of Aircraft, Vol. 20, pp. 83-88, January 1983. | View Publication

  215. Haftka, R. T., “Second-Order Sensitivity Derivatives in Structural Analysis,” (technical note) AIAA Journal, Vol. 20, pp. 1765-1766, December 1982. | View Publication

  216. Prasad, B. and Haftka, R. T., “Organization of PARS - a Structural Resizing System,” Advances in Engineering Software, Vol. 4, pp. 9-19, January 1982.

  217. Haftka, R. T. and Malkus, D. S., “Calculation of Sensitivity Derivatives in Thermal Problems by Finite Differences,” International Journal for Numerical Methods in Engineering, pp. 1811-1821, 1981.

  218. Haftka, R. T. and Prasad, B., "Optimum Structural Design with Plate Finite Elements - A Survey,” AIAA Journal, Vol. 19, pp. 517-522, 1981. | View Publication

  219. Prasad, B., Haftka, R. T. and Bao, M. S., “Optimum Design of an Abrasive Disk,” Journal of Mechanical Design, ASME, Vol. 103, pp. 818-822, October 1981.

  220. Haftka, R. T., “Techniques for Thermal Sensitivity Analysis,” International Journal for Numerical Methods in Engineering, Vol. 17, 71-80, 1981.

  221. Prasad, B. and Haftka, R. T., “Optimal Structural Design with Plate Finite Elements,” Journal of the Structural Division, ASCE, Vol. 105, No. ST11, pp. 2367-2382, 1979.

  222. Starnes, J. H., Jr. and Haftka, R. T., “Preliminary Design of Composite Wings for Buckling, Stress and Displacement Constraints,” Journal of Aircraft, Vol. 16, pp. 564-570, 1979 | View Publication

  223. Prasad, B. and Haftka, R. T., “A Cubic Extended Interior Penalty Function for Structural Optimization,” International Journal for Numerical Methods in Engineering, Vol. 14, pp. 1107-1126, 1979.

  224. Haftka, R. T. and Prasad, B., “Programs for Analysis and Resizing of Complex Structures,” Computers and Structures, Vol. 10, pp. 323-330, 1979.

  225. Haftka, R. T., “Optimization of Flexible Wing Structures Subject to Strength and Induced Drag Constraints,” AIAA Journal, Vol. 14 (8), pp. 1101-1106, 1977. | View Publication

  226. Haftka, R. T. and Yates, E. C., Jr., “Repetitive Flutter Calculations in Structural Design,” Journal of Aircraft, Vol. 13, pp. 454-461, 1976. | View Publication

  227. Haftka, R. T. and Starnes, J. H., Jr., “Applications of a Quadratic Extended Interior Penalty Functions for Structural Optimization,” AIAA Journal, Vol. 14, pp. 718-724, 1976. | View Publication

  228. Haftka, R. T., Starnes, J. H., Jr., Barton, F. W. and Dixon, S. C., “Comparison of Two Types of Structural Optimization Procedures for Flutter Requirements,” AIAA Journal, Vol. 13, pp. 1333-1339, 1975. | View Publication

  229. Singer, J. and Haftka, R. T., “Buckling of Discretely Stringer Stiffened Shells and Elastically Restrained Panels,” (Synoptic), AIAA Journal, Vol. 13, pp. 849-850, 1975. | View Publication

  230. Haftka, R. T., “Parametric Constraints with Application to Optimization for Flutter Using a Continuous Flutter Constraint,” AIAA Journal, Vol. 13, pp. 471-475, 1975. | View Publication

  231. Haftka, R. T. and Robinson, J. C., “Effect of Out-of-Planeness on Membrane Quadrilateral Elements,” (technical note), AIAA Journal, Vol. 11, pp. 742-744, 1973. | View Publication

  232. Haftka, R. T., Mallett, R. H. and Nachbar, W., “Relation of the Static Perturbation Technique to Koiter's Method,” Israel Journal of Technology, Vol. 9, pp. 553-557, 1971.

  233. Haftka, R. T., Mallett, R. H. and Nachbar, W., “Adaption of Koiter's Method to Finite Element Analysis of Snap-Through Buckling Behavior,” International Journal of Solids and Structures, Vol. 7, pp. 1427-1445, 1971.

  234. Haftka, R. T. and Nachbar, W., “Postbuckling of Wire Restrained Elastic Centilever Column with Imperfection Sensitivity,” International Journal of Solids and Structures, Vol. 6, pp. 1433-1449, 1970.

  235. Singer, J. and Haftka, R. T., “Buckling of Discretely Stiffened Cylindrical Shells,” Israel Journal of Technology, Vol. 6, pp. 125-137, 1968.

CONFERENCE PAPERS AND NASA REPORTS

  1. Smarslok, B.P., Haftka, R.T., and Ifju, P., "A Correlation Model for Graphite/Epoxy Properties for Propagating Uncertainty to Strain Response," 23rd Annual Technical Conference of the American Society for Composites, Memphis, Tenn, 2008. | View Publication

  2. Picheny, V., Kim, N and Haftka, R.T., "Conservative Predictions Using Surrogate Modeling," AIAA-2008-1716, 49th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, 2008.

  3. Smarslok, B.P., Alexander, D., Haftka, R.T., Carraro, L., and Ginsbourger, D., “Separable Monte Carlo applied to laminated composite plates reliability,” 49th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Schaumburg, IL, April 7-10, 2008. | View Publication

  4. Sharma, A., Gogu, C., Martinez, O.A., Sankar, B.V., Haftka, R.T., “Multi-fidelity Design of an Integrated Thermal Protection System for Spacecraft Reentry,” 49th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Schaumburg, IL, April 7-10, 2008. | View Publication

  5. Venkataraman, S., Haftka, R.T., “Teaching Undergraduate Aerospace Structural Analysis – Preparing Students for Future Workforce”, 49th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Schaumburg, IL, April 7-10, 2008. | View Publication

  6. Viana, F. A. C., Haftka, R.T., Steffen Jr, V., Butkewitsch, S., and Leal, M. F., "Ensemble of Surrogates : A Framework based on minimization of the mean integrated square error," 49th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, 16th AIAA/ASME/AHS Adaptive Structures Conference, 10th AIAA Non-Deterministic Approaches Conference, 9th AIAA Gossamer Spacecraft Forum, 4th AIAA Multidisciplinary Design Optimization Specialist Conference, Schaumburg, USA, April 7-10, 2008. | View Publication

  7. Goel, T., Haftka, R.T., and Shyy, W., “Error Measures for Noise-free Surrogate Approximations,” AIAA 2008-901, 46th AIAA Aerospace Sciences Meeting and Exhibit, 7-10 January 2008, Reno, Nevada, Paper No.

  8. Goel, T., Dorney, D.J., Haftka, R.T., and Shyy, W., "Improving the Hydrodynamic Performance of Diffuser Vanes via Shape Optimization," AIAA-2007-5551, 43rd AIAA/ASME/SAE/ASEE Joint Propulsion Conference, Cincinnati, OH, July 8-11, 2007. | View Publication

  9. Picheny, V., Kim, N., and Haftka, R.T., "Conservative estimations of reliability with limited sampling",  ASME 2007 International Design Engineering Technical Conferences & Computers and Information in Engineering Conference (IDETC/CIE 2007), 2007.

  10. Gogu, C., Smarslok, B. P., Haftka, R. T., Sankar, B. V., “Worst-case effects on thermal buckling of spatial variability in material properties”, 22nd  Annual American Society for Composites Technical Conference, Seattle, WA, September 2007.

  11. Smarslok, B. P., Gogu, C., Haftka, R. T., Ifju P. G., “Detecting and Analyzing Non-uniformity in Mechanical and Thermal Properties of Composite Laminates”, 22nd Annual American Society for Composites Technical Conference, Seattle, WA, September 2007.

  12. Gogu, C., Haftka, R. T., Bapanapalli, S. K., Sankar, B. V., “Reducing the number of variables in a response surface approximation – Application to thermal design”, ASME paper DETC2007-34674, ASME 2007 International Design Engineering Technical Conferences & Computer and Information in Engineering Conference IDETC/CIE 2007, Las Vegas, NV, September, 2007.

  13. Mack, Y., Haftka, R., Segal, C., Queipo, N., and Shyy, W., “Computational modeling and sensitivity evaluation of liquid rocket injector flow,” AIAA-2007-5592, 43rd AIAA/ASME/SAE/ASEE Joint Propulsion Conference, Cincinnati, OH, July 8-11, 2007. | View Publication

  14. Samad, A., Lee, K-D., Kim, K-Y., and Haftka, R.T. “Application of Multiple-Surrogate Model to Optimization of a Dimpled Channel,” 7th World Congresses of Structural and Multidisciplinary Optimization, Seoul, Korea, May, 2007. | View Publication

  15. Gogu, C., Haftka, R. T., Bapanapalli, S. K., Sankar, B. V., "Applying dimensional analysis to response surface methodology to reduce the number of design variables", 7th World Congresses of Structural and Multidisciplinary Optimization, Seoul, Korea, May, 2007. | View Publication

  16. Friedmann, P., Glaz, B.,  Liu, L., Goel T., and Haftka, R.T., “Application of a Weighted Average Surrogate Approach to Helicopter Rotor Blade Vibration Reduction ,” AIAA-2007-1898, 48th AIAA/ASME/ASCE-/AHS/ASC Structures, Structural Dynamics, and Materials Conference, , Honolulu, Hawaii, Apr. 23-26, 2007. | View Publication

  17. Acar, E., Kumar, S., Pippy, R.J., Kim, N.H., and Haftka, R.T., (2007) “Approximate Probabilistic Optimization using Exact-Capacity-Approximate-response distribution (ECARD),” AIAA-2007-1973, 9th Non-Deterministic Approaches Conference, April 2007, Honolulu, HI. | View Publication

  18. Acar, E., An, J., Haftka, R. T., Kim, N.H., Ifju, P.J., and Johnson, T. F. "Options for Using Test Data to Update Failure Stress," AIAA-2007-1971, 9th Non-Deterministic Approaches Conference, April 2007, Honolulu, HI. | | View Publication

  19. Gogu, C., Bapanapalli, S. K., Haftka, R. T., Sankar, B.V., "Comparison of Materials for Integrated Thermal Protection Systems for Spacecraft Reentry", AIAA paper 2007-1860, 3rd AIAA Multidisciplinary Design Optimization Specialist Conference, Honolulu, HI, April, 2007. | View Publication

  20. Ramu, P., Kim, N.H., and Haftka, R.T., Inverse measure-based tail modeling approaches for structural reliability estimation, AIAA-2007-1947. 48th  AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference, Honolulu, Hawaii, Apr. 23-26, 2007. | View Publication

  21. Ramu, P., Kim, N.H., and Haftka, R.T., , Error Amplification in Failure Probability Estimates of Small Errors in Surrogates, SAE 2007 world congress, Detroit, Michigan, April 16-19, 2007. | View Publication

  22. Smarslok, B.P., Gogu, C., Haftka, R.T., and Ifju, P., “Detecting and analyzing non-uniformity in mechanical and thermal properties of composite laminates,” 22nd Annual Technical Conference of the American Society for Composites, 54, Seattle, Washington, 2007. | View Publication

  23. Gogu, C., Smarslok, B.P., Haftka, R.T., and Sankar, B.V., “Worst-case effects on thermal buckling of spatial variability in material properties,” 22nd Annual Technical Conference of the American Society for Composites, 59, Seattle, Washington, 2007.

  24. Martinez, O.A., Sankar, B.V.,Haftka, R.T., “Thermal Analysis of a Corrugated Core Sandwich Panel for Integral Thermal Protection System”, 21st Annual Technical Conference of the American Society for Composites, CD ROM Proceedings, University of Michigan, Dearborn, MI, September 2006, Paper #219.

  25. Picheny, V., Kim, N. H., and Haftka, R.T.,“Conservative Estimation of Cumulative Distribution Function for Probability of Failure Calculation”, 11th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference, Portsmouth, Virginia, 6-8 September 2006.

  26. Ramu, P. Kim, N. and Haftka, R.T., “Estimation of high reliability using low-number Monte-Carlo simulations, AIAA Paper 2006-7011, 11th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference, Sept 6-8, 2006, Portsmouth, VA.

  27. Queipo, N.V., Verde, A., Pintos, S., and Haftka, R.T. (2006), “Assessing the Value of Another Cycle in Surrogate-Based Optimization,” AIAA Paper 2006-7089, 11th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference, Sept 6-8, Portsmouth, VA.

  28. Goel, T., Haftka, R. T., Shyy, W., "Simultaneous Use of Multiple Surrogates." 11th AIAA/ISSMO Multidisciplinary Analysis and Optimization ,6 Sept-8 Sept 2006, (Portsmouth, VA).

  29. Samad, A., Kim, K-Y, Goel, T, Haftka, R.T. Shyy W. (2006), "Shape Optimization of Turbomachinery Blade Using Multiple Surrogate Models," 10th International Symposium on Advances in Numerical Modeling of Aerodynamics and Hydrodynamics in Turbomachinary, ASME Joint-U.S.-European Fluids Engineering Summer Meeting, July, Miami, FL, USA, FEDSM2006-98368

  30. Acar, E., Haftka, R.T., Fragola, L. and Butkewitsch, S., "Multidisciplinary Design Optimization of an Aircraft Tail Junction," 7th World Congress on Computational Mechanics, Los Angeles, California, July 2006

  31. Picheny, V., Haftka. R.T. (2006), “Using bootstrap methods for conservative estimations of reliability ”. NSF Design, Service, and Manufacturing Grantees and Research Conference, 24 July-27 July 2006, (St. Louis, Missouri).

  32. Goel, T., Haftka, R.T., Shyy, W., Watson, L.T., (2006), “Combining Bias and Variance Based Criterion for Selecting Experimental Designs”. NSF Design, Service, and Manufacturing Grantees and Research Conference, 24 July-27 July 2006, (St. Louis, Missouri).

  33. Goel, T., Zhao, J., Thakur, S., Haftka, R.T., Shyy, W., (2006), “Surrogate Model-based Strategy for Cryogenic Cavitation Model Validation and Sensitivity Evaluation”. 42nd AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit ,9 July-12 July 2006, (Sacramento, CA).

  34. Goel, T., Haftka, R.T., Shyy, W., Watson, L.T., (2006), “Pointwise RMS Bias Error Estimates for Design of Experiments”. 44th AIAA Aerospace Sciences Meeting and Exhibit, 9 Jan-12 Jan 2006, (Reno, Nevada).

  35. Leifur Thor Leifsson, W. H. Mason, J. A. Schetz, B. Grossman, and R. T. Haftka,, “Multidisciplinary Design Optimization of Low-Airframe-Noise Transport Aircraft,” 44th AIAA Aerospace Sciences Meeting and Exhibit, Reno, NV, AIAA-2006-0230, Jan. 9, 2006

  36. Bapanapalli S.K., Martinez O.A., Gogu C., Sankar B.V., Haftka R.T., Blosser M.L., “Analysis and design of corrugated-core sandwich panels for thermal protection systems of space vehicles”, 47th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Newport, RI, May 2006. | View Publication

  37. Mack, Y., Shyy, W., Haftka, R., Griffin, L., Snellgrove, L., Huber, F., “Radial Turbine Preliminary Aerodynamic Design Optimization for Expander Cycle Liquid Rocket Engine,” 42nd AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit, AIAA-2006-5046, Sacramento, California, July 9 – 12, 2006.

  38. Smarslok, B., Speriatu, L., Schulz, W., Haftka, R. T., Ifju, P., Johnson, T. F., “Experimental Uncertainty in Temperature Dependent Material Properties of Composite Laminates,” Society for Experimental Mechanics Annual Conference, No. 241, St. Louis, MO, June, 2006.

  39. Smarslok, B. P., Haftka, R. T., Kim, N. H., “Taking Advantage of Separable Limit States in Sampling Procedures,” 47th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Newport, RI, May, 2006.

  40. Acar, E. and Haftka, R.T., "Reliability Based Aircraft Structural Design Pays Even with Limited Statistical Data," AIAA Paper 2006-2059, 47th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Newport, Rhode Island, May 2006. | View Publication

  41. Acar, E., Haftka, R.T. and Johnson, T.F., "Effects of Uncertainty Reduction on Weight of Composite Laminates at Cryogenic Temperatures," 31st ASME Design Automation Conference, Long Beach, California, September 2005. | View Publication

  42. Acar, E., Haftka, R.T. and Sankar, B.V., "The Effects of Uncertainty Control Measures on the Design Load of a Sandwich Structure," 3rd Ankara International Aerospace Conference, Ankara, Turkey, August 2005.

  43. Gern, F., Ko A., Grossman, B., Haftka, R.T., Kapania R.K. and W.H. Mason, “Transport Weight Reduction through MDO: the Strut-Braced Wing Transonic Transport,” 35th AIAA Fluid Dynamics Conference and Exhibit, Toronto, Canada, AIAA-2005-4667, June 6-9, 2005.

  44. Lin, Y-C, Fregly, B.J., Haftka, R.T., and Queipo, N.V., “Surrogate-Based Contact Modeling for Efficient Dynamic Simulation with Deformable Anatomic Joints,” Proceedings of the 10th International Symposium on Computer Simulation in Biomechanics, Case Western Reserve University, July 28-30, 2005.

  45. Acar, E., and Haftka, R.T., “Reliability Based Aircraft Structural Design Optimization with Uncertainty about Probability Distributions,” 6th World Congress on Structural and Multidisciplinary Optimization, Rio de Janeiro, Brazil, May 30-June 3, 2005. | View Publication

  46. Zhu, H., Sankar, B.V., and Haftka, R.T., “Evaluation of Integrated Sandwich TPS Design with Metal Foam Core for Launch Vehicles,” AIAA paper 2005-2181, 46th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics & Materials Conference, Austin, TX, April 18-21, 2005.

  47. Acar, E., Haftka, R.T., Sankar, B.V. and Qui, X., “Increasing Design Load and Reducing Weight of Structures by Error Reduction,”AIAA paper 2145-2167,46th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics & Materials Conference, Austin, TX, April 18-21, 2005. | View Publication

  48. Kale, A. A., Haftka, R.T., and Sankar, B.V., “Reliability Based Design and Inspection of Stiffened Panels Against Fatigue,” AIAA paper 2005-2145,46th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics & Materials Conference, Austin, TX, April 18-21, 2005. | View Publication

  49. Schutte, J.F., and Haftka, R.T., “Improved Global Convergence Probability Using Independent Swarms,” AIAA paper 2005-1896, 46th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics & Materials Conference, Austin, TX, April 18-21, 2005. | View Publication

  50. Haftka, R.T., “Reflections on Jim Starnes’ Technical Contributions,” AIAA paper 2005-1872, 46th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics & Materials Conference, Austin, TX, April 18-21, 2005. | View Publication

  51. Goel T, Mack Y, Haftka RT, Shyy W, Queipo NV., "Interaction between Grid and Design Space Refinement for Bluff Body-Facilitated Mixing", 43rd AIAA Aerospace Sciences Meeting and Exhibit. Reno NV 2005, Paper No. 2005-0125, AIAA.

  52. Mack Y, Goel T, Shyy W, Haftka RT, Queipo NV., "Multiple Surrogates for the Shape Optimization of Bluff Body-Facilitated Mixing", 43rd AIAA Aerospace Sciences Meeting and Exhibit. Reno NV 2005, Paper No. 2005-0333, AIAA

  53. Kurdi, M. H.; Haftka, R. T.; Schmitz, T. L.; Mann, B. P.,"Simultaneous Optimization of Removal Rate and Part Accuracy in High-Speed Milling",Proceedings of ASPE 2004 Annual Meeting October 24-29, 2004, Orlando, FL

  54. Groenwold, A.A. and Haftka, R.T. “Difficulties with non-homogeneous failure criteria like Tsai-Wu for composite laminates, The Seventh International Conference on Computational Structures Technology, (Topping, B.H.V. and Mota Soares, C.A., editors), Lisbon, Portugal, September 2004.

  55. Acar, E., Kale, A.A., and Haftka, R.T., “Effects of Error, Variability, Testing and Safety Factors on Aircraft Safety, NSF Workshop on Reliable Engineering Computing, Savannah, GA, 15-17, Sept. 2004. | View Publication

  56. Kale A. A., Haftka R. T., Sankar B. V., “Tradeoff of Structural Weight and Inspection Cost in Reliability Based Optimization Using Multiple Inspection Types" Proceedings of the 10th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference, 30 August - 1 September 2004, Albany, NY, AIAA Paper 20044404. | View Publication

  57. Ramu, P., Missoum, S., and Haftka R.T., "A Convex Hull Approach for the Reliability-Based Design Optimization of Transient Dynamic Problems", Proceedings of the 10th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference, 30 August - 1 September 2004, Albany, NY, AIAA Paper 2004-4618.

  58. Goel T, Vaidyanathan R, Haftka R T, Queipo N V, Shyy W, Tucker K, "Response Surface Approximation of Pareto Optimal Front in Multi-Objective Optimization," 10th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference, 30 August - 1 September 2004, Albany, NY, paper AIAA-2004-4501. | View Publication

  59. Grosset, L., Le Riche, R., and Haftka, R.T. “A Two-Tier Estimation of Distribution Algorithm for Composite Laminate Optimization” Proc. 10th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference, 30 August - 1 September 2004, Albany, NY, paper AIAA-2004-4529. | View Publication

  60. Papila, M., Haftka, R. T., Mason, W. H., Alves, R., "Tailoring Wing Structures for Reduced Drag Penalty in Off-Design Flight Conditions," 10th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference, 30 August - 1 September 2004, Albany, NY, paper AIAA-2004-4637. | View Publication

  61. Shyy, W., Haftka, R.T., Vaidyanathan, R., Goel, T. (2004), “Large Scale Computation-Facilitated Design Optimization for Propulsion Components”.40th AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit (JPC-2004),11-14 July. (Ft. Lauderdale, FL.

  62. Vaidyanathan, R., Goel, T., Shyy, W., Queipo, N. V., Haftka, R. T., and Tucker, K. P. "Design of Rocket Injector Using Response Surfaces and Genetic Algorithm", 40th AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit, July 11-14, 2004. Ft. Lauderdale, FL

  63. Johnson, T. F., Waters, W. A., Singer, T. N., and Haftka, R. T., "Thermal-Structural Optimization of Integrated Cryogenic Propellant Tank Concepts for a Reusable Launch Vehicle," 45th AIAA/ASME/ASCE/-AHS/ASC Structures, Structural Dynamics, and Materials Conference, Palm Springs, CA, April 2004 - paper AIAA-2004-1931. | View Publication

  64. Kale, A., A., Acar, E., Haftka, R., T., Stroud, J., "Why are Airplanes so Safe Structurally? Effect of Various Safety Measures on Structural Safety of Aircraft," 45th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Palm Springs, CA, April 2004 – paper AIAA-2004-1629. | View Publication

  65. Grosset, L., Le Riche, R., and Haftka, R.T., “A Double-Distribution Statistical Algorithm for Composite Laminate Optimization,” 45th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics & Materials Conference, Palm Springs, CA, April 2004 - paper AIAA-2004-1910.

  66. Qu, X., Singer, T., and Haftka, R.T., "Reliability-Based Global Optimization of Sitffened Panels Using Probabilistic Sufficiency Factor," 45th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Palm Springs, CA, April 2004 - paper AIAA-2004-1898.

  67. Ramu, P., Qu, X., Youn, B.D., Haftka, R.T., Choi, K.K., "Safety Factor and Inverse Reliability Measures," 45th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Palm Springs, CA, April 2004 - paper AIAA-2004-1670

  68. Schutte, J.F., Haftka, R.T., and Watson, L.T., Decomposition and Two-level Optimization of Structures with Discrete Sizing Variables, 45th AIAA/ASME/ASCE?AHS/ASC Structures, Structural Dynamics, and Materials Conference, Palm Springs, CA, April 2004 – paper AIAA-2004-1541. | View Publication

  69. Vaidyanathan, R., Shyy, W., Garbey, M., and Haftka, R. T., "CFD Code Verification Using Least Square Extrapolation Method," 42nd AIAA Aerospace Sciences Meeting and Exhibit, Jan. 4-8, 2004, Reno, NV, Paper No. AIAA-2004-0739.

  70. Ko, A., Leifsson, L.T., Mason, W.H., Schetz, J.A., Grossman, B., and Haftka, R.T., “MDO of a Blended-Wing-Body Transport Aircraft with Distributed Propulsion,” AIAA-2003-6372, AIAA's 3rd Annual Aviation Technology, Integration, and Operations (ATIO) Technical Forum Denver, Colorado, 17 - 19 Nov 2003

  71. Grosset, L., Le Riche, R., and Haftka, R.T., “A Study of the Effects of Dimensionality on Stochastic Hill Climbers and Estimation of Distribution Algorithms,” Proceedings of the 6th International Conference on Artificial Evolution, October 27-30, 2003, Marseille, France.

  72. Grosset, L., Le Riche, R., and Haftka, R.T., “A comparison of an estimation of distribution algorithm and a stochastic hill-climber for composite optimization problems.” Proceedings of the American Society for Composites 18th Technical Conference, Gainesville, FL, October 19-13, 2003, paper No. 168. | View Publication

  73. Kale, A.A., Haftka, R.T., and Sankar B.V., "Fatigue Reliability and Damage Tolerance Evaluation of Composite Structures," Proceedings of the American Society for Composites 18th Technical Conference, Gainesville, FL, October 19-13, 2003, paper No. 256. | View Publication

  74. Huang, J. and Haftka, R.T., "Optimization of Fiber Orientation near a Hole for Increased Strength ofComposite Laminates," Proceedings of the American Society for Composites 18th Technical Conference, Gainesville, FL, October 19-13, 2003, paper No. 145.

  75. Singer*, T., Qu*, X., and Haftka, R.T., “Global Optimization of a Composite Tank Structure Using the DIRECT Algorithm”, Proceedings of the American Society for Composites 18th Technical Conference, Gainesville, FL, October 19-13, 2003, paper No. 249.

  76. Qu, X and Haftka, R.T., "Reliability-Based Design Optimization Of Stiffened Panels", The Fourth International Symposium on Uncertainty Modeling and Analysis, University of Maryland, College Park, Maryland, September 21-24, 2003.

  77. Qu, X and Haftka, R.T., "Design Under Uncertainty Using Monte Carlo Simulation And Probabilistic Sufficiency Factor", ASME 2003 Design Engineering Technical Conferences and Computers and Information in Engineering Conference, Chicago, Illinois, USA, September 2-6, 2003.

  78. J.F. Schutte, B.I. Koh, J.A, Reinbolt, R.T. Haftka, A.D. George, B.J. Fregly. Scale-Independent Biomechanical Optimization. 2003 Summer Bioengineering Conference, June 25-29, 2003, Key Biscayne, Florida. | View Publication

  79. Huang, J., Haftka, R.T., Gartia, B*, and Rapoff, A.J., "Understanding the Role of Osteons in Arresting Cracks in Cortical Bones,"2003 Summer Bioengineering Conference, June 25-29, 2003, Key Biscayne, Florida.

  80. A, Reinbolt, J.F. Schutte, R.T. Haftka, A.D. George, K.H. Mitchell, B.J. Fregly. Determination of Patient-Specific Functional Axes Through Two-Level Optimization. 2003 Summer Bioengineering Conference, June25-29, 2003, Key Biscayne, Florida.

  81. Venter, G., Haftka, R.T., and Sobieski, J.S., “Robust Design Using Particle Swarm and Genetic Algorithm Optimization,” 5th World Congress of Structural and Multidisciplinary Optimization, Lido di Jesolo, Italy, May 19-23, 2003.

  82. Schutte, J., Fregly, B.J., and Haftka, R.T., “A Parallel Particle Swarm Optimizer,”5th World Congress of Structural and Multidisciplinary Optimization, Lido di Jesolo, Italy, May 19-23, 2003. | View Publication

  83. Vervenne, K., Haftka, R.T., and Van Keulen, A., “Response Surface Method Applied to Practical Response Functions in Structural Optimization,” 5th World Congress of Structural and Multidisciplinary Optimization, Lido di Jesolo, Italy, May 19-23, 2003.

  84. Qu, X., Haftka, R.T., and Venter, G., “New Formulation of a Minimum-Bias Experimental Design Based on Gauss Quadrature,” 5th World Congress of Structural and Multidisciplinary Optimization, Lido di Jesolo, Italy, May 19-23, 2003.

  85. Liu, B., Haftka, R.T., and Watson, L.T., “Global Local Structural Optimization Using Response Surfaces of Local Optimization Margins,” 5th World Congress of Structural and Multidisciplinary Optimization, Lido di Jesolo, Italy, May 19-23, 2003.

  86. Ifju, P.G., Haftka, R.T., Myers, D., Schulz, W., and Singer, “Statistics Properties and Reliability Based Optimization of Laminates for Cryogenic Environments,” 44th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Norfolk, VA, April 2003 - paperAIAA-2003-1935. | View Publication

  87. Kale, A. A.,Haftka, R.T., Papila, M., and Sankar, B.V., “Tradeoffs of Weight and Inspection Cost in Fail-Safe Design,” 44th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Norfolk, VA, April 2003 - paper AIAA-2003-1501. | View Publication

  88. Zhu, H., Sankar, B.V., Haftka, R.T., and Venkataraman, S., “Optimization of a Functionally Graded Metallic Foam Insulation Under Transient Heat Transfer Conditions,” 44th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Norfolk, VA, April 2003 - paper AIAA-2003-1531.

  89. Qu, X., and Haftka, R.T., “Reliability-Based Design Optimization Using a Probabilistic Safety Factor,”44th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Norfolk, VA, April 2003 - paper AIAA-2003-1657.

  90. Huang, J., Rapoff, A.J., and Haftka, R.T. , ”Arresting Cracks in Bone-Like Composites,” 44th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Norfolk, VA, April 2003 - paper AIAA-2003-1440. | View Publication

  91. Huang, J., Haftka, R.T. and Rapoff, A.J., “Optimization Design of Composite Plates with Holes for Increased Strength,”,” 44th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Norfolk, VA, April 2003 - paper AIAA-2003-1549.

  92. Sulaeman, E., Kapania, R.,and Haftka,R.T., “Effect of Compressive Force on Flutter of a Strut-Braced Wing,” ,” 44th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Norfolk, VA, April 2003 - paper AIAA-2003-1943.

  93. Papila, M., Haftka, R. T., Nishida, T. and Sheplak, M., “Piezoresistive microphone design Pareto optimization: tradeoff between sensitivity and noise floor,” 44th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Norfolk, VA, April 2003 - paper AIAA-2003-1632.

  94. Lian, Y., Shyy, W. and Haftka, R.T., “Shape Optimization of a Membrane Wing for Micro Air Vehicles,” AIAA 41st Aerospace Sciences Meeting & Exhibit, Paper No. 2003-0106, (2003).

  95. Papila, M., and Haftka, R.T., “Worst Case Bias Error Estimates for Response Surface Approximations,” Worst Case Bias Error Estimates for Response Surface Approximations”3rd ISSMO/AIAA Internet Conference on Approximations in Optimization, www-tm.wbmt.tudelft.nl/~wbtmavk/3rd_approx_web_conf. Oct. 14-25, 2002.

  96. Liu, B., Haftka, R.T., and Watson, L.T., “Global-Local Structural Optimization Using Response Surfaces of Local Optimization Margins,”3rd ISSMO/AIAA Internet Conference on Approximations in Optimization, www-tm.wbmt.tudelft.nl/~wbtmavk/3rd_approx_web_conf. Oct. 14-25, 2002.

  97. Qu, X. and R.T. Haftka “Probabilistic Safety Factor Based Response Surface Approach for Reliability-based Design Optimization,” 3rd ISSMO/AIAA Internet Conference on Approximations in Optimization, www-tm.wbmt.tudelft.nl/~wbtmavk/3rd_approx_web_conf. Oct. 14-25, 2002

  98. Cox, S.E., Haftka, R.T., Hart, W., and Watson, L.T., “ DIRECT Algorithm with Box Penetration for Improved Local Convergence,” AIAA Paper 2002-5581, Proceedings 9th AIAA/ISSMO Symposium on Multidisciplinary Analysis and Optimization, Atlanta, Ga, Sept. 4-6, 2002.

  99. Kim, H., Papila, M., Haftka, R.T., Mason, W.H., Watson, L.T., and Grossman, B., “Estimating Optimization Error Statistics via Optimization Runs from Multiple Starting Points,” AIAA Paper 2002-5576, Proceedings 9th AIAA/ISSMO Symposium on Multidisciplinary Analysis and Optimization, Atlanta, Ga, Sept. 4-6, 2002.

  100. Hosder, S., Grossman, B., Watson, L.T., Mason, W.H., and Haftka, R.T., “Observations on CFD Simulation Uncertainties,” AIAA Paper 2002-5531, Proceedings 9th AIAA/ISSMO Symposium on Multidisciplinary Analysis and Optimization, Atlanta, Ga, Sept. 4-6, 2002.

  101. Grosset L., Le Riche, R., and Haftka, R.T., “Statistical Optimization of Composite Laminates: Introduction of Coupling via a Change of Variables,” AIAA Paper 2002-5462, Proceedings 9th AIAA/ISSMO Symposium on Multidisciplinary Analysis and Optimization, Atlanta, Ga, Sept. 4-6, 2002.

  102. Romero, V., Qu, X., and Haftka, R.T., “Development of Method Costing Software for Uncertainty Propagation Decision Analysis,” AIAA Paper 2002-1463, Proceedings 43nd AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Material Conference, Denver, CO, April, 2002.

  103. Kale, A.A.., Papila, M., and Haftka, R.T., “Simultaneous Design Optimization of Aircraft Structures and Inspection Periods,” AIAA Paper 2002-1402, Proceedings 43nd AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Material Conference, Denver, CO, April, 2002.

  104. Haftka, R.T., and Venkataraman, S., “Structural Optimization: What has Moore’s Law Done for Us?” AIAA Paper 2002-1342, Proceedings 43nd AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Material Conference, Denver, CO, April, 2002.

  105. Grosset, L., Venkataraman, S., and Haftka, R.T., “Probability-based genetic algorithm for composite laminate optimization” AIAA Paper 2002-1673, Proceedings 43nd AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Material Conference, Denver, CO, April, 2002. | View Publication

  106. Sulaeman, E., Kapania, R.K., and Haftka, R.T., “Parametric Studies of Flutter Speed in a Strut-Braced Wing,” AIAA Paper 2002-1487, Proceedings 43nd AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Material Conference, Denver, CO, April, 2002.

  107. Huang, J., Venkataraman, S., Rapoff, A.J.,, and Haftka, R.T., Optimization Design of Inhomegeneous isotropic Plates with Holes by Mimicking Bones,” AIAA Paper 2002-1236, Proceedings 43nd AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Material Conference, Denver, CO, April, 2002. | View Publication

  108. Zhu , H., Sankar, B.V., Haftka, R.T., Venkataraman, S., and Blosser, M., “Minimum Mass Design of Insulation Made of Functionally Graded Material,” AIAA Paper 2002-1425, Proceedings 43nd AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Material Conference, Denver, CO, April, 2002. | View Publication

  109. H. Kim, W.H. Mason, L.T. Watson, B. Grossman, M. Papila and R.T. Haftka, ``Protection Against Modeling and Uncertainties in Design Optimization," in Modeling and Simulation-Based Life Cycle Engineering, eds.: K. Chung, S.Saigal, S. Thynell and H. Morgan, Spon Press, London and New York, 2002, pp. 231-246.

  110. Hongman Kim, William H. Mason, Layne T. Watson, Bernard Grossman and Raphael T. Haftka "Probabilistic Modeling of Optimization Errors", Proceedings CD of 2002 National Science Foundation Design, Service and Manufacturing Grantees and Research Conference, San Juan, PR, January 7-10, 2002.

  111. Papila, M., Papila, N., Shyy, W., Haftka, R. T. and Fitz-Coy, N., “Error-based Design Space Windowing,” 40th AIAA Aerospace Sciences Meeting & Exhibit, January 2002 - paper AIAA-2002-0539.

  112. Grosset, L., Venkataraman, S., and Haftka, R.T., “Genetic optimization of two-material composite laminates,” Proceedings, 16th ASC Technical Meeting, Blacksburg, VA, September 2001.

  113. Venkataraman, S., Zhu, H., Sankar B.V., Haftka, R.T., and Blosser, M., “Optimum Design of a Functionally Graded Metallic Foam Thermal Insulation”, Proceedings, 16th ASC Technical Meeting, Blacksburg, VA, September 2001.

  114. Liu, B., and Haftka, R.T., " Maximization of Continuity of Complex Composite Structures by Permutation Genetic Algorithms," Proceedings 4rd World Congress of Structural and Multidisciplinary Optimization, Dalian China, June 4-8, 2001. | View Publication

  115. Qu, X., Venkatarman, S., and Haftka, R.T., Reliability-based Composite Panel Design for Cryogenic Environments Using Response Surface Approximation," Proceedings 4rd World Congress of Structural and Multidisciplinary Optimization, Dalian China, June 4-8, 2001.

  116. Venkataraman, S., Haftka, R.T., and Rapoff, A.J., "Strength Optimization of a Plate with Hole Using Biologically Inspired Design Variables," Proceedings 4rd World Congress of Structural and Multidisciplinary Optimization, Dalian China, June 4-8, 2001.

  117. Papila, M., and Haftka, R.T.,, "Uncertainty and Response Surface Approximations," AIAA Paper 2001-1680, Proceedings 42nd AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Material Conference, Seattle, WA, April, 2001. | View Publication

  118. Sulaeman, E., Kapania, R.K., and Haftka, R.T., "Effect of Compressive Force on Strut-Braced Wing Response," AIAA Paper 2001-1611, Proceedings 42nd AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Material Conference, Seattle, WA, April, 2001.

  119. Liu, B. and Haftka, R.T., " Composite Wing Structural Design Optimization with Continuity Constraints," AIAA Paper 2001-1205, Proceedings 42nd AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Material Conference, Seattle, WA, April, 2001. | View Publication

  120. Qu, X., Venkataraman, S., Haftka, R.T., and Johnson, T.F., “Reliability, Weight, and Cost Tradeoffs in the Design of Composite Laminates for Cryogenic Environments,” AIAA Paper 2001-1327, Proceedings 42nd AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Material Conference, Seattle, WA, April, 2001.

  121. Akgün, M.A. and Haftka, R.T., "Damage Tolerant Topology Optimization Under Multiple Damage Configurations", Topology Optimization of Structures and Composite Continua, G.I.N. Rozvany and N. Olhoff (eds.), 317-325, Kluwer Academic Publishers, 2000.

  122. Vaidyanathan, R., Papila, N., Shyy, W., Tucker, P.,K., Griffin, L. W., Haftka, R.T., and Fitz-Coy, N., "Neural Network and Response Surface Methodology for Rocket Engine Component Optimization," AIAA Paper 2000-4880, Proceedings, AIAA/USAF/NASA/ISSMO Symposium on Multidisciplinary Analysis and Optimization, Long Beach California, September 6-8, 2000.

  123. Kim, H., Haftka, R.T., Mason, W.H., Watson, L.T., and Grossman, B., "A Study of the Statistical Description of Errors from Structural Optimization," AIAA Paper 2000-4840, Proceedings, AIAA/USAF/NASA/ISSMO Symposium on Multidisciplinary Analysis and Optimization, Long Beach California, September 6-8, 2000.

  124. Gern, F.H., Ko, A., Sulaeman, E., Kapania, R.K., Mason, W.H., Grossman, B., and Haftka, R.T., "Passive Load Alleviation in the Design of a Truss-Braced-Wing Transonic Transport Aircraft," AIAA Paper 2000-4826, Proceedings, AIAA/USAF/NASA/ISSMO Symposium on Multidisciplinary Analysis and Optimization, Long Beach California, September 6-8, 2000.

  125. Baker, C.A., Watson, L.T., Grossman, B., Haftka, R.T., and Mason, W.H., "Study of a Global Design Space Exploration Method for Aerospace Vehicles," AIAA Paper 2000-4763, Proceedings, AIAA/USAF/-NASA/ISSMO Symposium on Multidisciplinary Analysis and Optimization, Long Beach California, September 6-8, 2000.

  126. Qu, X., Venkataraman, S., Haftka, R.T., and Johnson, T.F., "Deterministic and Reliability-Based Optimization of Composite Laminates for Cryogenic Environments," AIAA Paper 2000-4760, Proceedings, AIAA/USAF/NASA/ISSMO Symposium on Multidisciplinary Analysis and Optimization, Long Beach California, September 6-8, 2000. | View Publication

  127. Papila, M., and Haftka, R.T., "Response Surfaces for Optimal Weight of Cracked Composite Panels: Noise and Accuracy," AIAA Paper 2000-4755, Proceedings, AIAA/USAF/NASA/ISSMO Symposium on Multidisciplinary Analysis and Optimization, Long Beach California, September 6-8, 2000.

  128. Venkataraman, S. and Haftka, R.T., “Response Surfaces for Predicting Load Redistribution in Multi-level Structural Optimizations” International Congress of Theoretical and Applied Mechanics, Chicago, Illinois, Aug 27-Sep 2, 2000.

  129. Qu, X., Venkataraman, S., and Haftka, R.T., `` Response Surface Options for Probabilistic Optimization of Stiffened Panels," Proceedings, Joint Specialty Conference on Probabilistic Mechanics and Structural Reliability, Notre Dame, Indiana, 24-26, July 2000.

  130. Akgün, M.A., and Haftka, R.T., “Damage Tolerant Topology Optimization under Multiple Damage Configurations,” in Topology Optimization of Structures and Composite Continua (G.I.N Rozvany and N. Olhoff, editors), Proceedings of NATO ARW, pp. 317-325, Budapest, Hungary May 8-12, 2000, pp. 317-325, Kluwer Academic Publishers, the Nethe