Bi-Directional Evolutionary Structural Optimization Method with Draw Direction Constraints

Tien Tung Chung; Jia Pei Wang; Yan Zuo Chen; Ta Chuan Liu

doi:10.4028/www.scientific.net/AMM.420.346

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 420Bi-Directional Evolutionary Structural...

Bi-Directional Evolutionary Structural Optimization Method with Draw Direction Constraints

Abstract:

This paper proposes a new bi-directional evolutionary structural optimization (BESO) method with draw direction constraints. Draw direction constraints, defined by required manufacturing process, are achieved by modifying element removal/addition criteria such that elements are removed from the top surface of the draw direction to the inner design domain. The optimized design with draw direction constraints is free from hollow or closed cavity geometries which are infeasible for manufacturing. A stiffness design of a motor front cover is carried out to show the ability of the proposed method in practical mechanical design problems.

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Periodical:

Applied Mechanics and Materials (Volume 420)

Pages:

346-351

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.420.346

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Online since:

September 2013

Authors:

Tien Tung Chung, Jia Pei Wang, Yan Zuo Chen, Ta Chuan Liu

Keywords:

Evolutionary Structural Optimization, Manufacturing Constraints, Structural Optimization, Topology Optimization

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