在汽车车身概念设计阶段,针对轻量化设计及优化白车身刚度问题,建立了某款纯电动铝合金汽车车身骨架基于真实接头的简化力学模型。运用灵敏度分析筛选出灵敏度较大部件,然后利用元模型的优化方法(hybrid and adaptive meta-modeling met...在汽车车身概念设计阶段,针对轻量化设计及优化白车身刚度问题,建立了某款纯电动铝合金汽车车身骨架基于真实接头的简化力学模型。运用灵敏度分析筛选出灵敏度较大部件,然后利用元模型的优化方法(hybrid and adaptive meta-modeling method,HAM)对灵敏度较大部件进行截面厚度优化,使优化目标车身质量得到了降低,同时改善了车身的模态和刚度,根据研究的数据制造了电动车车身。展开更多
The process characteristics of heat treatment of aluminum alloy auto body sheet and the working principle of air cushion furnace were introduced.The process position and irreplaceable role of air cushion furnace in th...The process characteristics of heat treatment of aluminum alloy auto body sheet and the working principle of air cushion furnace were introduced.The process position and irreplaceable role of air cushion furnace in the aluminum alloy auto body sheet production was pointed out after the difficulty and key points in the whole production process of auto body sheet were studied.Then the development process of air cushion furnace line of aluminum alloy sheet was reviewed,summarized and divided to two stages.Based on the research of air cushion furnace,the key technology of it was analyzed,then the key points on process,equipment and control models of air cushion furnace for aluminum alloy auto body sheet in future were put forward.With the rapid development of automotive industry,there will be certainly a new upsurge of research and application of air cushion furnace for heat treatment of aluminum alloy auto body sheet.展开更多
文摘在汽车车身概念设计阶段,针对轻量化设计及优化白车身刚度问题,建立了某款纯电动铝合金汽车车身骨架基于真实接头的简化力学模型。运用灵敏度分析筛选出灵敏度较大部件,然后利用元模型的优化方法(hybrid and adaptive meta-modeling method,HAM)对灵敏度较大部件进行截面厚度优化,使优化目标车身质量得到了降低,同时改善了车身的模态和刚度,根据研究的数据制造了电动车车身。
文摘The process characteristics of heat treatment of aluminum alloy auto body sheet and the working principle of air cushion furnace were introduced.The process position and irreplaceable role of air cushion furnace in the aluminum alloy auto body sheet production was pointed out after the difficulty and key points in the whole production process of auto body sheet were studied.Then the development process of air cushion furnace line of aluminum alloy sheet was reviewed,summarized and divided to two stages.Based on the research of air cushion furnace,the key technology of it was analyzed,then the key points on process,equipment and control models of air cushion furnace for aluminum alloy auto body sheet in future were put forward.With the rapid development of automotive industry,there will be certainly a new upsurge of research and application of air cushion furnace for heat treatment of aluminum alloy auto body sheet.
