Journal
JOURNAL OF MECHANICAL DESIGN
Volume 137, Issue 3, Pages -Publisher
ASME
DOI: 10.1115/1.4029335
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Funding
- NSF [CMMI-1232508, CMMI-1161474]
- Directorate For Engineering
- Div Of Civil, Mechanical, & Manufact Inn [1161474] Funding Source: National Science Foundation
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The objective of this paper is to introduce and demonstrate a new method for the topology optimization of compliant mechanisms. The proposed method relies on exploiting the topological derivative, and exhibits numerous desirable properties including: (1) the mechanisms are hinge-free; (2) mechanisms with different geometric and mechanical advantages (GA and MA) can be generated by varying a single control parameter; (3) a target volume fraction need not be specified, instead numerous designs, of decreasing volume fractions, are generated in a single optimization run; and (4) the underlying finite element stiffness matrices are well-conditioned. The proposed method and implementation are illustrated through numerical experiments in 2D and 3D.
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