使用响应表面方法的移动车架的优化设计和分析
Liang Cheng1, Hai-Bin Lin2, Yu-Liang Zhang1
1College of Mechanical Engineering & Key Laboratory of Air-driven Equipment Technology of Zhejiang Province, Quzhou University, Quzhou, China.
PloS one
|August 17, 2023
概括
这项研究优化了移动车框架的轻量化设计,使用响应表面方法和有限元素分析. 优化的框架实现了显著的减重,同时保持了结构完整性.
科学领域:
- 机械工程 机械工程
- 汽车工程 汽车工程
- 结构优化 结构优化
背景情况:
- 移动车需要轻量化设计,以提高燃油效率和机动性.
- 现有的卡车框架可能无法满足现代轻量化需求.
- 优化纵梁结构对于整体框架重量减轻至关重要.
研究的目的:
- 在移动车架的纵梁结构上进行轻量化设计.
- 为了减少移动车架的整体重量.
- 为了确保优化框架的结构完整性和性能.
主要方法:
- 响应表面方法 (RSM) 用于轻量级设计优化.
- 用有限元分析 (FEA) 创建了一个模型来比较原始和优化设计.
- 在各种运动条件下评估了结构性能.
主要成果:
- 优化的纵向光束截面尺寸被缩小了:高度为10mm,宽度为11mm,厚度为0.8mm.
- 总框架重量减少了35.8公斤.
- 经过优化设计,在模拟运行负载下,排位和应力变化最小.
结论:
- 实施的轻量化设计成功降低了移动车架的重量.
- 优化的框架满足了轻量化设计要求,而不会影响结构性能.
- 该方法提供了一种可行的方法来优化类似的汽车结构.
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