Journal
COMPUTER METHODS IN APPLIED MECHANICS AND ENGINEERING
Volume 272, Issue -, Pages 354-378Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.cma.2014.01.010
Keywords
Topology optimization; Feature control; Level-set; Signed distance function
Funding
- National Natural Science Foundation [10925209, 91216201, 11372004, 11002058]
- 973 Project of China [2010CB832703]
- Program for Changjiang Scholars and Innovative Research Team in University (PCSIRT)
- 111 Project [B14013]
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The present paper aims to address a long-standing and challenging problem in structural topology optimization: explicit feature control of the optimal topology. The basic idea is to resort to the level set solution framework and impose constraints on the extreme values of the signed distance level set function used for describing the topology of the structure. Numerical examples are also presented and discussed to illustrate the effectiveness of the proposed approach. (C) 2014 Elsevier B.V. All rights reserved.
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