A novel topology optimization method of plate structure based on moving morphable components and grid structure

被引：3

作者：

Zhou, Jinhang ^{[1
]}

Zhao, Gang ^{[1
]}

Zeng, Yan ^{[1
]}

Li, Gang ^{[1
]}

机构：

[1] Dalian Univ Technol, Dept Engn Mech, State Key Lab Struct Anal Ind Equipment, Dalian 116024, Peoples R China

来源：

STRUCTURAL AND MULTIDISCIPLINARY OPTIMIZATION | 2024年 / 67卷 / 01期

基金：

中国国家自然科学基金;

关键词：

Topology optimization; Movable morphable components method; Grid structure; Beam elements; Adaptive pruning of elements; GEOMETRY PROJECTION METHOD; DESIGN; SHAPE;

D O I：

10.1007/s00158-023-03719-1

中图分类号：

TP39 [计算机的应用];

学科分类号：

081203 ; 0835 ;

摘要：

A novel moving morphable components (MMC)-based topology optimization method is proposed to solve topology optimization problems of plate structure subjected to out-of-plane load, by introducing a grid structure composed of beam elements to perform finite element analysis with the adaptive pruning of elements (APE) module. The grid structure can describe the mechanical property of the plate structure by using the model with concise expression of stiffness matrix. The APE can reduce the redundant degrees of freedom (DOFs) of the grid structure as an adaptive mesh technology to improve the efficiency of optimization. To validate the proposed method, the benchmark examples are tested in comparison with MMC method using Kirchhoff plate elements, which shows that the proposed method can obtain the consistent optimization results with less calculation cost under specified conditions. In addition, several non-centrosymmetric numerical examples considering model parameter and APE influences are discussed to demonstrate the proposed method's characteristics in efficiency and stability.

引用

页数：19

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