Design of optimal hygrothermally stable laminates with bending-twist coupling by ant colony optimization Conference Paper
| Authors: | Apte, A. P.; Haynes, R. A.; Wang, B. P.; Armanios, E. A. |
| Title: | Design of optimal hygrothermally stable laminates with bending-twist coupling by ant colony optimization |
| Conference Title: | 13th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference, MAO 2010 |
| Abstract: | The necessary and sufficient conditions for hygrothermal curvature stability of laminated composite plates have been derived in a prior publication and shown to be material independent. From within these conditions, various couplings are being investigated to determine any improvements over previously known optima. Bending-twist coupling has been investigated in previous work based upon a Sequential Quadratic Programming method to demonstrate the achievable level of coupling under the hygrothermal stability conditions. In this work, the Ant Colony Optimization is adopted as an alternative approach to reach global optima. Comparisons of resulting stacking sequences and associated level of coupling are provided. Results for laminates consisting of two through ten plies made of graphite/epoxy material are presented. The results suggest that the solution to the bending-twist coupling problem consist of multiple global optima. ACO was able to provide new global optimal solutions for laminates consisting of 8-10 plies. © 2010 by the American Institute of Aeronautics and Astronautics, Inc. All rights reserved. |
| Keywords: | algorithms; artificial intelligence; global optimal solutions; alternative approach; coupling problem; laminated composite plates; sequential quadratic programming method; stability condition; stacking sequence; sufficient conditions; laminated composites; ant colony optimization |
| Journal Title | Multidisciplinary Analysis Optimization Conferences |
| Conference Dates: | 2010 Sep 13-15 |
| Conference Location: | Ft. Worth, TX |
| ISBN: | 978-1-60086-954-9 |
| Publisher: | American Institute of Aeronautics and Astronautics |
| Date Published: | 2010-01-01 |
| Language: | English |
| DOI: | 10.2514/6.2010-9180 |
| PROVIDER: | scopus |
| DOI/URL: | |
| Notes: | --- - 13th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference 2010 - AIAA/ISSMO Multidiscip. Anal. Optim. Conf. - "Conference code: 97955" - "Export Date: 1 August 2013" - 13 September 2010 through 15 September 2010 - "Source: Scopus" |
