Conference Papers
- Iyengar, N., and Gürdal, Z., "Effect of Stacking Sequence on Failure of [+-45/90/0]s Quasi-isotropic Coupons with a Hole under Compression," Proceedings of the American Society of Composites, Sept. 20-22, 1994, pp. 246-254.
- Owen, B. T, and Gürdal, Z., "Buckling Analysis of Laminated Composite Beams with Multiple Delaminations," Proceedings of the AIAA/ ASME/ASCE/AHS/ASC 35th SDM Conference, April 18-20, 1994, Hilton Head, SC, pp. 1998-2007.
- Ragon, S. A., Gürdal, Z., Starnes, J. H., "Optimization of Box-Beam Structures Including the Effects of Subcomponent Interaction," Proceedings of the AIAA/ ASME/ASCE/AHS/ASC 35th SDM Conference, April 18-20, 1994, Hilton Head, SC, pp. 818-828
- Kogiso, N., Watson,.L. T., Gürdal, Z., Haftka, R. T., and Nagendra, S., "Minimum Thickness Design of Composite Laminates Subject to Buckling and Strength Constraints by Genetic Algorithms," Proceedings of the AIAA/ASME/ASCE/ AHS/ASC 35th SDM Conference, April 18-20, 1994, Hilton Head, SC, pp. 2257-2275.
- Kogiso, N., Watson, L. T., Gürdal, Z., and Haftka, R. T., "Genetic Algorithms with Local Improvement for Composite Laminate Design," Proceedings of the ASME Winter Annual Meeting, Structures and Controls Optimization, AD-Vol. 38, Eds. N.S. Khot and R.T. Haftka, November, 1993, pp. 13-28.
- Gürdal, Z., "Design and Optimization of Variable Stiffness Panels," Proceedings of the Tenth DoD/NASA/FAA Conference on Fibrous Composites in Structural Design, November 1993, Hilton Head, SC, pp. III: 3-14.
- S. Nagendra, R. T. Haftka, and Z. Gürdal, "A Genetic Algorithm Based Design Procedure for Stiffened Composite Panels Under Stability and Strain Constraints," Proceedings of the Tenth DoD/NASA/FAA Conference on Fibrous Composites in Structural Design, November 1993, Hilton Head, SC, pp. II: 23-36.
- Gürdal, Z., Haftka, R. T., and Nagendra, S., "Genetic Algorithms for the Design of Laminated Composite Panels," to be presented at The World Congress on Optimal Design of Structural Systems, Rio de Janeiro, August 2-6, 1993.
- Perry, C., Z. Gürdal and Starnes, J. H., Jr., "Minimum-weight Design of Compressively Loaded Stiffened Panels for Postbuckling Response," Proceedings of the First joint ASCE/ASME/SES Conference, symposium on Mechanics of Composite Materials: Nonlinear Effects, June 6-9, 1993, Charlottesville, VA, pp. 71-80.
- Ley, R., Gürdal, Z., and Johnson, E. R., "Optimal Design of Pressurized, Imperfect, Anisotropic Ring-stiffened Cylinders," Proceedings of the AIAA/ASME/ASCE/AHS/ ASC 34th SDM Conference, April 19-21, 1993, La Jolla, CA, pp. 1881-1889.
- Lee, H., Griffin, O. H., Jr., and Gürdal, Z., "Postbuckling of Laminated Composites with Delaminations," Proceedings of the AIAA/ASME/ASCE/AHS/ASC 34th SDM Conference, April 19-21, 1993, La Jolla, CA, pp. 2250-2260.
- Olmedo, R., and Gürdal, Z., "Buckling Response of Laminates with Spatially Varying Fiber Orientations," Proceedings of the AIAA/ASME/ASCE/AHS/ASC 34th SDM Conference, April 19-21, 1993, La Jolla, CA, pp. 2261-2269.
- Ragon, S. A., and Gürdal, Z., "Effects of Geometric Nonlinearities on the Response of Box-Beam Structures," Proceedings of the AIAA/ASME/ASCE/AHS/ASC 34th SDM Conference, April 19-21, 1993, La Jolla, CA, AIAA lost the paper, no page numbers.
- Nagendra, S., Haftka, R. T., and Gürdal, Z., "Design of Blade Stiffened Composite Panels with a Cutout using a Genetic Algorithm Approach," Proceedings of the AIAA/ ASME/ASCE/AHS/ASC 34th SDM Conference, April 19-21, 1993, La Jolla, CA, pp. 2418-2436.
- Breivik, N., Gürdal, Z., and Griffin, O. H., "Compression of Thick Laminated Composite Beams with Initial Impact-like Damage," presented at the American Society of Composites, October 13-15, 1992 University Park, PA, pp. 972-981.
- Nagendra, S., Gürdal, Z., Haftka, R. T., and Starnes, J. H. Jr., "Buckling and Failure Characteristics of Compression-loaded Stiffened Panels with a Hole," presented at the American Society of Composites, October 13-15, 1992 University Park, PA, pp. 650-661.
- Yates, K., Gürdal, Z., Thangjitham, S., "Multilevel Optimization using Continuum Model for Structures,"4th AIAA/AF/NASA/OAI Symposium on Multidisciplinary Analysis and Optimization, September 21-23, 1992 Cleveland, OH, AIAA 92 4786-CP, pp. 773-783. (presented by a person other than the authors).
- Gürdal, Z., and Grall, B., "Structural Analysis of Geodesically Stiffened Composite Panels," proceedings of the 1992 ASME Engineering Systems Design and Analysis Conference, June 29-July 3, 1992, Istanbul, Turkey, Vol. 6, pp. 155-164.
- Gürdal, Z., and Olmedo, R., "Composite Laminates with Spatially Varying Fiber Orientations: Variable Stiffness Panel Concept," Proceedings of the AIAA/ASME/ASCE/ AHS/ASC 33rd SDM Conference, April 13-15, 1992, Dallas, TX. pp. 798-808.
- Gendron, G., and Gürdal, Z., "Optimal Design of Geodesically Stiffened Composite Cylindrical Shells," presented at the AIAA/ASME/ASCE/AHS/ASC 33rd SDM Conference, April 13-15, 1992, Dallas, TX. pp. 2431-2441.
- Lee, J., Gürdal, Z., and Griffin, O. H., "A Layerwise Approach for the Bifurcation Problem in Laminated Composites with Delaminations," presented at the AIAA/ASME/ ASCE/AHS/ASC 33rd SDM Conference, April 13-15, 1992, Dallas, TX. pp. 10-20.
- Ley, R. P., Johnson, E., and Gürdal, Z., "Buckling of Imperfect, Anisotropic Ring-stiffened Cylinders under Combined Loads," presented at the AIAA/ASME/ASCE/ AHS/ASC 33rd SDM Conference, April 13-15, 1992, Dallas, TX. pp. 86-94.
- Nagendra, S., Haftka, R. T., and Gürdal, Z., "Optimization of Laminate Stacking Sequence with Stability and Strain Constraints," presented at the AIAA/ASME/ASCE/ AHS/ASC 33rd SDM Conference, April 13-15, 1992, Dallas, TX. pp. 2526-2535.
- Gürdal, Z., and Haftka, R. T., "Optimization of Composite Laminates," presented at the NATO-Advanced Study Institute on Optimization of Large Structural Systems, Sept. 23-Oct. 4 1991, Berchtesgaden, Germany.
- Gendron, G., and Gürdal, Z., "An Optimization System for Structures with Complex Geometries under Combined Loads," presented at the First Canadian International Composites Conference and Exhibition, CANCOM' 91, Sept. 4-6 1991, Montreal, Canada.
- Shin, D.K., Gürdal, Z., and Griffin, O. H. Jr., "Minimum-Weight Design of Composite Plates for Postbuckling Performance," AIAA/ASME/ASCE/AHS 32th SDM Conference, April 1991, Baltimore, Maryland, pp. 257-266.
- Stoll, F., and Gürdal, Z., "Nonlinear Analysis of Compressively Loaded Linked-Plate Structures," AIAA-90-0968-CP, AIAA/ASME/ASCE/AHS 31th SDM Conference, April 2-4 1990, Long Beach, CA., pp. 903-913.
- Mobuchon, A., and Gürdal, Z., "Effects of Processing Induced Defects on Failure of Graphite/Epoxy Angles," Proc. of the International Conference on Mechanics and Mechanisms of Damage in Composite Materials and Multimaterials, November 15-17, 1989, Saint-Etienne, France.
- Nagendra, S., R. T. Haftka, and Z. Gürdal, "Design of Stiffened Plates with a Hole," American Society for Composites, October 3-6 1989, Virginia Polytechnic Institute and State University, Blacksburg, VA., pp. 49-61.
- Shin, D. K., Gürdal, Z., and Griffin, O. H., Jr., "A Penalty Approach for Nonlinear Optimization with Discrete Design Variables," Discretization Methods and Structural Optimization, Association for Applied Mathematics and Mechanics, October 5-7 1988, University of Siegen, Fed. Rep. of Germany (presented by a person other than the authors).
- Shin, D. K., Gürdal, Z., and Griffin, O. H., Jr., "A Penalty Approach for Nonlinear Optimization with Discrete Design Variables," Second NASA/Air Force Symposium on Recent Advances in Multidisciplinary Analysis and Optimization, September 28-30 1988, Hampton, VA., pp. 1291-1302.
- Starbuck, M. J., Gürdal, Z., "A Procedure for Accurate Determination of Elastic Properties for Unidirectional Composites," American Society for Composites, September 26-29 1988, University of Washington, Seattle, Washington, pp. 156-164.
- Kadiyala, S. P., Gürdal, Z., and C. T. Herakovich, "An Experimental and Numerical Study of Notch Sensitivity of ARALL with Holes," Fourth Japan - United States Conference on Composite Materials June 27-29 1988, Washington, D.C., pp. 179-188.
- Swanson, G. D., Gürdal Z. and Starnes, J. H., Jr., "Structural Efficiency Study of Graphite-Epoxy Aircraft Rib Structures," AIAA-88-2218-CP, AIAA/ASME/ASCE/AHS 29th SDM Conference, April 18-20, 1988, Williamsburg, VA., pp. 85-97.
- Pindera M-J., Gürdal Z., Herakovich C. T, Hidde J. S., and Starbuck M. J., "Mechanical Response of Aramid/epoxy under Tensile Compressive and Shear Loading," Proceedings of the Joint Symposium on Composite Materials Science and Engineering, American Society for Composites September 23-25, 1987, University of Delaware, pp. 240-249.
- Gürdal, Z., and Haftka R. T., "A Compressive Failure Model for Anisotropic Plates with a Cutout under Compressive and Shear Loads," AIAA-86-1017-CP, AIAA/ASME/ASCE/ AHS 27th SDM Conference, May 19-21, 1986, San Antonio TX., pp. 680-688.
- Grossman B., Strauch G. J., Gürdal Z., and Haftka R. T., "Combined Aerodynamic/ Structural Optimization of a Sailplane Wing," AIAA-86-2623-CP, AIAA Aircraft Systems, Design and Technology Meeting, October 1986, Dayton OH., pp. 1-8.