| 佟维,刘晓雪.高速动车组铝合金车体结构优化策略[J].计算力学学报,2009,26(3):424~427 |
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| 高速动车组铝合金车体结构优化策略 |
| Optimization strategy of aluminium-alloy car-body of high speed train unit |
| 投稿时间：2008-08-08 |
| DOI：10.7511/jslx20093025 |
| 中文关键词: 动车组 车体 结构优化 遗传算法 |
| 英文关键词:train unit car-body optimum structure genetic algorithm |
| 基金项目:国家863计划(2002AA411320). |
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| 摘要点击次数: 1519 |
| 全文下载次数: 1190 |
| 中文摘要: |
| 根据铝合金车体结构特点和工程需要,基于遗传算法研究了集截面、形状和拓扑优化于一身的优化方法。讨论了优化模型的确定、型材形状优化和筋板配置拓扑优化的思路。编制了应用软件,并完成工程实例,设计变量覆盖承载结构的70％,证实上述方法的有效性。 |
| 英文摘要: |
| According to the structure feature of aluminium-alloy car body and engineering requirement, based on the method, that including genetic algorithm studied cross section, conformation and topological optimization, this paper discussed the optimization model, optimization conformation of section and topological optimization of rib distribution. The application software, had been compiled and a case study was completed. Design variables covered 70％ of load carrying structure, it conforms the validity of the method. |
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