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Topology optimization designing and performance testing of micro-clamp using meshless method

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3 Author(s)
Yixian Du ; College of Mechanical & Material Engineering, China Three Gorges University, Yichang 443002, China ; Junjian Fu ; Wei Wang

In order to matches the large-displacement character of the compliant mechanisms, a nonlinear optimization method for designing micro-clamps is presented by combining the theory of element-free Galerkin method(EFGM) and topology optimization. The performance of the micro-clamp produced according to the design result is tested. The structural response analysis and sensitivity analysis are carried out by using EFGM, which matches the natural geometrically nonlinear behavior of micro-clamp. According to the topologies designed by linear and nonlinear meshless methods, two kinds of micro-clamps are produced. The force-displacement responses of the micro-clamps are then tested. And the result shows that the nonlinear EFGM is better for designing compliant micro-clamps than the linear EFGM.

Published in:

Computer-Aided Industrial Design & Conceptual Design (CAIDCD), 2010 IEEE 11th International Conference on  (Volume:2 )

Date of Conference:

17-19 Nov. 2010