Tesla 通过自动化 CAE 连接器创建来优化设计周期的创新方法
技术
- 分析与建模 - 数字孪生/模拟
- 其他 - 电池
适用行业
- 汽车
- 建筑物
适用功能
- 产品研发
用例
- 虚拟原型与产品测试
- 虚拟现实
关于客户
特斯拉汽车公司由埃隆·马斯克于 2003 年创立，是全球公认的电动汽车制造商。该公司的使命是推出大众市场的电动汽车，吸引对第一代电动汽车产品的质量和性能不感兴趣的买家。特斯拉的战略包括推出高端高性能跑车，以确立电动汽车的可行性和吸引力，然后为主流买家推出更实惠的车型。自 2008 年推出首款车型 Roadster 以来，特斯拉仅在 2013 年最后一个季度就已售出 2,300 多辆，并收到了 6,900 辆 Model S 轿车的订单，比上一季度增长了 25%。
挑战
特斯拉汽车公司是一家备受瞩目的电动汽车制造商，正在寻求优化其开发周期的方法，以加快高质量汽车的生产。一个重大挑战是准备有限元分析 (FEA) 模型的过程非常耗时，尤其是 CAE 模型的连接器部分。例如，Model S 轿车有 300 多个不同的固定件和 6,000 多个焊接点，包括焊缝、螺栓、铆钉、粘合剂和 MIG 焊缝。最费力的任务是在 CAD 模型中重新创建这些连接器，这可能需要几天的时间。该过程不仅效率低下，而且容易出错，因为 CAD 文件中缺乏有关所用连接器类型、机械性能及其所用面板的详细信息，因此存在忽视 MIG 焊接或粘合剂的风险。连接。
解决方案
为了应对这一挑战，Tesla 的仿真团队与 CAE 供应商 Altair 合作，自动化了 CAE 模型中的连接器创建过程。他们开发了一种连接器 (CNX) CAD 结构，其中包括连接器实体上的标签，以保证命名和树结构的一致性。这使得可以通过搜索字符串轻松提取数据。他们还创建了一个 CNX 数据合并工具，该工具生成一个描述 CATIA 几何实体、连接类型和其他属性的 Excel 文件。 Excel 宏用于根据设计工程师提供的搜索字符串标记电子表格中的所有相关几何实体以供导出。最后，开发了 HyperMesh TCL 脚本，用于将更新的 CATIA 文件导入 HyperMesh，为各种焊接类型创建所有 CAE 连接元素，并突出显示任何未能创建的连接器。该解决方案不仅消除了体力劳动，还将模型创建过程缩短了几天。
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