Two-Dimensional Structural Topology Optimization Based on Isogeometric Analysis

Guang Yu Qiu; Ping Hu; Wei Zhou

doi:10.4028/www.scientific.net/AMM.472.475

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 472Two-Dimensional Structural Topology Optimization...

Two-Dimensional Structural Topology Optimization Based on Isogeometric Analysis

Abstract:

In this paper, the isogeometric analysis is applied to two-dimensional structural topology optimization instead of traditional finite element analysis. By treating the corresponding element density of knot spans as design variables, the topology optimization model is formulated based on SIMP method. Then the optimization problem is solved using the method of moving asymptotes. As demonstrated by examples, the proposed method can be used for two-dimensional topology optimization. And the results show that checkerboard patterns can be controlled.

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Periodical:

Applied Mechanics and Materials (Volume 472)

Pages:

475-479

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.472.475

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Online since:

January 2014

Authors:

Guang Yu Qiu, Ping Hu, Wei Zhou

Keywords:

Isogeometric Analysis, NURBS Basis Functions, SIMP Method, Topology Optimization

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