Journal
COMPUTER METHODS IN APPLIED MECHANICS AND ENGINEERING
Volume 268, Issue -, Pages 632-655Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.cma.2013.10.003
Keywords
Topology optimization; Stress constraints; Level set; Shape derivative; Extend Finite Element (X-FEM)
Funding
- National Natural Science Foundation [10925209, 91216201, 10932003]
- 973 Project of China [2010CB832703]
- Program for Changjiang Scholars and Innovative Research Team in University (PCSIRT)
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Considering stress constraints in structural topology optimization is very important from both theoretical and application perspectives. Most of the corresponding studies in literature, however, are only focused on the problems involving single phase homogenous materials. In the present paper, stress-constrained topology optimization of continuum structures involving multi-phase heterogeneous materials is investigated. A level-set based variational consistent solution framework is developed. Numerical examples are also presented and discussed to illustrate the effectiveness of the proposed approach. (C) 2013 Elsevier B.V. All rights reserved.
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