Journal
COMPUTER METHODS IN APPLIED MECHANICS AND ENGINEERING
Volume 282, Issue -, Pages 71-86Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.cma.2014.08.027
Keywords
Topology optimization; Length scale control; SIMP; Structural skeleton
Funding
- National Natural Science Foundation [10925209, 91216201, 11372004, 11402048]
- China Postdoctoral Science Foundation [2014M561221]
- 973 Project of China [2010CB832703]
- Program for Changjiang Scholars, Innovative Research Team in University (PCSIRT)
- 111 Project [B14013]
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The present paper aims to present a new approach for controlling both maximum and minimum length scales of structural members in the Solid Isotropic Material with Penalization (SIMP)-based topology optimization framework. In the proposed approach, length scale control is achieved with help of structural skeleton, which is a key concept in mathematical morphology and a powerful tool for describing structural topologies. Numerical examples show that the proposed approach does have the capability to give a complete control of the length scales of an optimal structure in an explicit and local way. (C) 2014 Elsevier B.V. All rights reserved.
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