Journal
MECHANICS RESEARCH COMMUNICATIONS
Volume 103, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.mechrescom.2019.103469
Keywords
Topology optimization; Fixed-point iteration; Optimality criteria; Anderson extrapolation; Compliance minimization
Categories
Funding
- National Science Foundation (NSF) [1663244]
- Div Of Civil, Mechanical, & Manufact Inn
- Directorate For Engineering [1663244] Funding Source: National Science Foundation
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We present a simple, effective, and scalable approach for significantly accelerating the convergence in Topology Optimization simulations. Specifically, treating the design process as a fixed-point iteration, we propose employing a recently developed acceleration technique in which Anderson extrapolation is applied periodically, with simple weighted relaxation used for the remaining steps. Through selected examples in compliance minimization, we show that the proposed approach is able to accelerate the overall simulation several fold, while maintaining the quality of the solution. (C) 2019 Elsevier Ltd. All rights reserved.
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