| 三维结构多频拓扑优化设计研究 |
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| 引用本文： | 庄才敖,荣见华,李东斌.三维结构多频拓扑优化设计研究[J].长沙交通学院学报,2007,23(2):65-68. |
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| 作者姓名： | 庄才敖 荣见华 李东斌 |
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| 作者单位： | 长沙理工大学,汽车与机械工程学院,湖南,长沙,410076 |
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| 基金项目： | 国家自然科学基金，交通部交通应用基础研究基金，湖南省自然科学基金，湘建科技项目 |
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| 摘 要： | 基于ESO方法并结合工程实际的需要,对三维结构的多频率优化进行了研究.建立了多频优化模型,导出了结构多频率优化灵敏度公式, 给出了优化迭代步骤和衡量优化效率的性能指标,并采用灵敏度重分析技术减少了计算工作量.给出的算例显示了本研究方法的正确性和有效性.
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| 关 键 词： | 三维结构 多频优化 结构频率灵敏度 拓扑优化 |
| 文章编号： | 1000-9779（2007）02-0065-04 |
| 收稿时间： | 2006-12-01 |
| 修稿时间： | 2006-12-01 |
Multi-frequency topology optimization design and research of three dimensional structure |
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| ZHUANG Cai-ao,RONG Jian-hua,LI Dong-bin.Multi-frequency topology optimization design and research of three dimensional structure[J].Journal of Changsha Communications University,2007,23(2):65-68. |
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| Authors: | ZHUANG Cai-ao RONG Jian-hua LI Dong-bin |
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| Institution: | College of Automobile and Mechanic Engineering, Changsha University of Science and Technology,Changsha 410076, China |
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| Abstract: | Based on the evolutionary structural optimization(ESO) and according to engineering real requirements,the research on the three dimensional structural multiple frequency optimizations is carried out paper.First,a multiple frequency optimization model is built,and a set of structural multi-frequency optimization sensitivity formula is derived.Then,a re-analysis technology for frequency sensitivities is adopted to reduce its calculation quantity.And an multi-frequency optimization procedure and a performance index of the optimization efficiency are given.The examples given show that the method proposed is applicable and effective. |
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| Keywords: | three dimensional structure multi-frequency optimization structure frequency sensitivity topology optimization |
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