限制用于静态载荷托架尺寸和形状优化的不同截面数量的影响
Nenad Kostić1, Nenad Petrović1, Vesna Marjanović1
1University of Kragujevac, Faculty of Engineering, 34000 Kragujevac, Serbia.
Materials (Basel, Switzerland)
|March 28, 2024
概括
将卡丁度限制添加到托架结构中,限制了横截面,简化了施工和降低了成本. 这种实用方法平衡了最佳的重量与现实世界的制造效益.
科学领域:
- 结构工程 结构工程
- 计算力学 计算力学 计算力学
- 优化理论 优化理论
背景情况:
- 同时测量和优化结构的形状,往往会产生不切实际的高数量的截面.
- 这种复杂性增加了制造,劳动力和物流成本,减少了现实世界的适用性.
- 以前的研究已经探讨了单个截面或不受约束的优化,但没有探讨有限的截面集的影响.
研究的目的:
- 为了研究枢机性约束对架结构优化的影响.
- 评估如何限制不同截面的数量影响最佳解决方案.
- 为了弥合理论优化和实际工程应用之间的差距.
主要方法:
- 实现卡丁度约束在同时大小和形状优化算法中用于结构.
- 通过比较各种枢纽性约束值的优化结果.
- 与单个截面解决方案和不受约束的最佳解决方案进行基准测试.
主要成果:
- 与不受约束的解决方案相比,限制横截面的数量会导致实际的,虽然略重的,最优的架设计.
- 在劳动力,装配,接和物流方面展示了显著的潜在节约.
- 枢机性约束在结构效率和制造简单性之间提供了平衡.
结论:
- 核心性约束有效地产生了更适用和更具成本效益的架设计.
- 在最小的重量和实际实施之间的权衡是成功管理的.
- 这种方法增强了结构优化研究的实际价值.
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