首页|Design of compliant mechanisms: An explicit topology optimization method using end-constrained spline curves with variable width
Design of compliant mechanisms: An explicit topology optimization method using end-constrained spline curves with variable width
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NSTL
Elsevier
In this study, an approach using moving end-constrained spline (ECS) curves with variable widths is presented for the explicit topology optimization of compliant mechanisms. The proposed approach uses a series of spline curves to represent the topology of the compliant mechanism. Instead of using a fixed width, we let the width of such spline curves vary along the curve. The optimized design is obtained by optimizing the width of the spline curves and the position of the control points. To avoid infeasible solutions in the design process, the end points of several specific spline curves are constrained according to the design region. The validity of the proposed method is demonstrated using different types of splines, such as the Bézier curve and B-spline curve, for the design of a force inverter, a compliant gripper and a compliant orthogonal displacement amplification mechanism.
B-spline curveCompliant mechanismsExplicit boundaryLevel set functionTopology optimizationWide-Bézier curve
Zhu B.、Wang R.、Liang J.、Lai J.、Zhang H.、Li H.、Zhang X.、Nishiwaki S.
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Guangdong Key Lab. of Precision Equipment and Manufacturing Technology South China University of Technology
Department of Mechanical Engineering and Science Graduate School of Engineering Kyoto University
NSTL
Elsevier
