技术
- 机器人 - 自动导引车 (AGV)
适用行业
- 汽车
- 特种车辆
适用功能
- 产品研发
- 质量保证
用例
- 车辆性能监测
- 视觉质量检测
服务
- 硬件设计与工程服务
- 测试与认证
关于客户
德纳公司总部位于俄亥俄州托莱多,是汽车行业零部件和总成的领先供应商。该公司为世界各大汽车生产商设计和制造各种产品,并两次获得马尔科姆·鲍德里奇国家质量奖。德纳致力于成为汽车、商用和非公路车辆公司的重要合作伙伴,这些公司每年生产的车辆总数超过 6000 万辆。德纳商用车系统集团专注于前转向、后驱动、拖车和辅助车桥的开发;传动轴;转向轴;暂停;以及面向全球商用车市场的相关系统、模块和服务。
挑战
德纳公司是汽车行业零部件和总成的领先供应商,在设计重型卡车悬架系统和其他总成时面临着重大挑战。由于这些部件的负载重、环境恶劣且寿命要求长,这项任务十分艰巨。从历史上看,这些组件被过度设计且更重,以满足可靠性要求。然而,在当前经济形势下,商用卡车的重量及其对车辆成本、乘坐和燃油经济性的影响成为卡车制造商和最终用户的重要关注点。面临的挑战是用最少的材料设计这些零件,但仍保持足够的强度和刚度。必须在满足紧张的预算和产品发布时间表的同时实现这一目标,从而排除了构建和测试大量硬件原型的可能性。
解决方案
作为产品设计过程的一部分,Dana Corporation 的商用车工程师使用 ANSYS Mechanical 软件的拓扑优化功能来优化组件重量。该方法首先通过多体仿真确定载荷。然后构建初始粗糙实体模型以填充组件允许的最大可用空间包络。接下来,开发了有限元网格,ANSYS 拓扑优化例程自动消除了刚度低于指定阈值的单元。结果是一个分析模型,仅包含用最少的材料维持组件所需刚度所需的元素。然后将该拓扑优化模型叠加在实体模型上,以指导工程师完成重量优化零件的详细设计。
运营影响
数量效益
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