技术
- 传感器 - 温度传感器
适用行业
- 汽车
适用功能
- 产品研发
用例
- 网状网络
关于客户
福特汽车公司是一家总部位于美国的领先汽车公司。福特发动机 NVH 分析部门负责为高级、V 型发动机组件和发动机系统项目提供 CAE NVH 设计分析支持。该部分执行各种类型的分析,包括发动机部件和总成模态和振动响应分析、发动机部件和总成辐射噪声分析、曲柄/缸体动态相互作用分析、进气系统NVH分析和排气歧管辐射噪声分析。该部分涉及各种零件,从简单的冲压件到气缸盖、缸体和歧管的复杂铸件,再到更复杂的多件式复合进气歧管。
挑战
福特汽车公司发动机 NVH 分析部门的任务是为各种项目提供 CAE NVH 设计分析支持。执行的分析类型包括发动机部件和总成模态和振动响应分析、发动机部件和总成辐射噪声分析、曲柄/缸体动态相互作用分析、进气系统NVH分析和排气歧管辐射噪声分析。然而,随着程序时序的定期压缩,对设计分析快速周转的需求不断增长。随着有限元模型变得更大,它们往往会导致分析时间更长。这就需要快速的有限元模型来准确地表示结构,并且绝对需要最少的自由度。需要网格划分的零件范围很广,从简单的冲压件到气缸盖、缸体和歧管的复杂铸件,再到更复杂的多件式复合进气歧管。
解决方案
为了应对这一挑战,福特汽车公司实施了 ANSYS AI*Environment tet 网格划分解决方案。该解决方案使该公司能够创建满足其单元尺寸和质量标准的网格模型。大多数模型数据直接从 I-DEAS 导入,但部分数据来自 X 射线扫描。 ANSYS AI*Environment 解决方案具有多项优势。它消除了重新加工几何体以使其形成网格的需要,允许将网格拟合到同一几何体中的不同区域而无需创建太多元素,并且允许导入描述要建模的零件的不同类型的数据。此外,它允许在几小时而不是几天内创建所有模型。
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