Topology Optimization of Multiple Materials Compliant Mechanisms Based on Sequence Interpolation Model and Multigrid Method

Du, Yongle

doi:10.3901/jme.2018.13.047

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2021

2024

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Cited by 3 publications

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“…The interpolation model uses the element relatively density as the design variable, and the material properties are simulated by the exponential function of the element relatively density. The •3• elastic modulus in SIMP for single material [20] can be formulated as ( )…”

Section: Introductionmentioning

confidence: 99%

Multi-material Topology Optimization Based on Multiple SIMP of Variable Density Method

Jiao¹,

Li²

2021

Preprint

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In this paper a multiple SIMP (solid isotropic material with penalization model) of variable density method is proposed to solve the problem of muli-material topology optimization. All candidate materials including void material are arranged in descending order of elastic modulus. The material conversion scheme of multiple SIMP is based on the elastic modulus of the candidate material after interpolation. Based on the guide-weight method, the iterative criterion of muti-material topology optimization is derived from the Kuhn-Tucker condition. Three examples show that the proposed method is effective and robust to solve the problem of muti-material topology optimization.

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Section: Introductionmentioning

confidence: 99%