| 卢存壮， 张建华， 王艾泉， 李府谦.扇贝脱壳机特征值屈曲特性分析及优化[J].轻工机械,2021,39(5):86-89 |
| 扇贝脱壳机特征值屈曲特性分析及优化 |
| Analysis and Optimization of Eigenvalue Buckling Characteristics of Scallop Sheller |
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| DOI：10.3969/j.issn.1005 2895.2021.05.016 |
| 中文关键词: 扇贝脱壳机 屈曲分析 拓扑优化 变密度法 ANSYS |
| 英文关键词:scallop sheller buckling analysis topology optimization variable density method ANSYS |
| 基金项目:山东省重点研发计划资助项目（2019JZZY020709）。 |
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| 中文摘要: |
| 为实现扇贝脱壳机轻量化设计，课题组运用ANSYS Workbench 18.0对其进行屈曲特性分析，仿真分析得到屈曲特征值和振型图，确定脱壳机发生失稳时的临界应力值及屈曲发生的位置；在此基础上，基于变密度法优化准则进行拓扑优化，将优化前后的屈曲特性进行对比。拓扑优化结果显示:优化后结构整体减轻了12.5%，最大变形量基本保持一致。该研究在保证结构满足正常工况要求的同时，达到扇贝脱壳机轻量化要求。 |
| 英文摘要: |
| In order to achieve the goal of lightweight design of the scallop sheller, the buckling characteristics was analyzed by ANSYS Workbench 18.0.The buckling eigenvalue and the mode diagram were obtained through simulation analysis to determine the critical stress value and the buckling location when sheller instability occurred. On this basis, topology optimization was performed based on the optimization criteria of the variable density method, and the buckling characteristics before and after optimization were compared. The topology optimization results show that the overall structure is reduced by 12.5%, and the maximum deformation almost stays same. The research ensures that the structure meets normal working conditions and achieves the lightweight requirements of scallop sheller. |
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