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A. Myslinski^1,2 and M. Wróblewski¹

¹Systems Research Institute, Warsaw, Poland
²Faculty of Manufacturing Engineering, Warsaw University of Technology, Poland

doi:10.4203/ccp.106.176

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, "Phase Field Based Structural Topology Optimization", in , (Editors), "Proceedings of the Twelfth International Conference on Computational Structures Technology", Civil-Comp Press, Stirlingshire, UK, Paper 176, 2014. doi:10.4203/ccp.106.176

Keywords: topology optimization, contact problems, phase field regularization..

Summary

The paper is concerned with an analysis and numerical solution of a topology optimization problems for bodies in unilateral contact using a phase field approach. The topology optimization problem consists of the normal contact stress minimization with respect to the material density distribution function. The cost functional also includes surface and bulk energy terms. These terms permit control of global perimeter constraint and the occurence of the intermediate solution values. The optimal topology is obtained as the steady state of the phase transition governed by the Cahn-Hilliard equation. The finite element and the finite difference methods are used as the discretization methods. Numerical examples are provided and discussed.

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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: 106 PROCEEDINGS OF THE TWELFTH INTERNATIONAL CONFERENCE ON COMPUTATIONAL STRUCTURES TECHNOLOGY Edited by: Paper 176 Phase Field Based Structural Topology Optimization A. Myslinski^1,2 and M. Wróblewski¹ ¹Systems Research Institute, Warsaw, Poland ²Faculty of Manufacturing Engineering, Warsaw University of Technology, Poland doi:10.4203/ccp.106.176 purchase the full-text of this paper Full Bibliographic Reference for this paper , "Phase Field Based Structural Topology Optimization", in , (Editors), "Proceedings of the Twelfth International Conference on Computational Structures Technology", Civil-Comp Press, Stirlingshire, UK, Paper 176, 2014. doi:10.4203/ccp.106.176 Keywords: topology optimization, contact problems, phase field regularization.. Summary The paper is concerned with an analysis and numerical solution of a topology optimization problems for bodies in unilateral contact using a phase field approach. The topology optimization problem consists of the normal contact stress minimization with respect to the material density distribution function. The cost functional also includes surface and bulk energy terms. These terms permit control of global perimeter constraint and the occurence of the intermediate solution values. The optimal topology is obtained as the steady state of the phase transition governed by the Cahn-Hilliard equation. The finite element and the finite difference methods are used as the discretization methods. Numerical examples are provided and discussed. 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 £65 +P&P)
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