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Paper XVI.10

A New Hybrid FEM-BEM Approach to Structural Shape Optimization

J.S. Campbell and D. Kelliher

Department of Civil and Environmental Engineering, University College Cork, Ireland

doi:10.4203/ccp.55.16.10

J.S. Campbell, D. Kelliher, "A New Hybrid FEM-BEM Approach to Structural Shape Optimization", in B.H.V. Topping, (Editor), "Advances in Computational Structural Mechanics", Civil-Comp Press, Edinburgh, UK, pp 441-446, 1998. doi:10.4203/ccp.55.16.10

Abstract

An algorithm for structural shape optimisation (SSO) is presented which utilises the BEM for the calculation of geometric sensitivities. These are then used to get the structural response sensitivities e.g. stress and displacement, which are used at the optimisation stage, using the semianalytical method of sensitivity analysis. The structural analysis is carried out using the FEM and Sequential Linear Programming (SLP) is the optimisation method utilised. Selected examples demonstrate the use of the algorithm.

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Front Page Browse CCP CSETS CTR IJRT Other Authors Search Purchase Guide FAQ Contact us	Civil-Comp Proceedings ISSN 1759-3433 CCP: 55 ADVANCES IN COMPUTATIONAL STRUCTURAL MECHANICS Edited by: B.H.V. Topping Paper XVI.10 A New Hybrid FEM-BEM Approach to Structural Shape Optimization J.S. Campbell and D. Kelliher Department of Civil and Environmental Engineering, University College Cork, Ireland doi:10.4203/ccp.55.16.10 purchase the full-text of this paper Full Bibliographic Reference for this paper J.S. Campbell, D. Kelliher, "A New Hybrid FEM-BEM Approach to Structural Shape Optimization", in B.H.V. Topping, (Editor), "Advances in Computational Structural Mechanics", Civil-Comp Press, Edinburgh, UK, pp 441-446, 1998. doi:10.4203/ccp.55.16.10 Abstract An algorithm for structural shape optimisation (SSO) is presented which utilises the BEM for the calculation of geometric sensitivities. These are then used to get the structural response sensitivities e.g. stress and displacement, which are used at the optimisation stage, using the semianalytical method of sensitivity analysis. The structural analysis is carried out using the FEM and Sequential Linear Programming (SLP) is the optimisation method utilised. Selected examples demonstrate the use of the algorithm. purchase the full-text of this paper (price £20) go to the previous paper go to the next paper return to the table of contents return to the book description purchase this book (price £95 +P&P)
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