第三讲 单元种类及网格划分-2011.ppt

* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * also, could mention that you can use this transitioning method for large deflection (rotation) analysis, which CE’s aren’t valid for. * * * * * * * * * * By Dr Cui Mao , May 2011 ANSYS 理论与工程应用 By Dr Cui Mao , May 2011 3-64 ANSYS 理论与工程应用 练习－四面体单元转换 1. 建立如下几何体 2. 定义单元solid95. 3. 对无洞的那部分使用六面体单元进行映射网格划分. 4. 对有洞的部分进行自由网格划分，这样将生成退化的95号四面体网格. 在二个体之间的区域将会自动生成六面体－四面体的过渡单元. 5. 打开单元号，在图形窗口中画单元. 6. 使用四面体单元的转换步骤将95号四面体单元转换成92号四面体单元，注意：不需要定义92号单元! 可以看到现在在模型中有两种不同类型的单元 * * Introduction to ANSYS 5.3 Instructors Guide Chapter II: Finite Element Analysis (FEA), Lesson 2: Making Analysis Decisions * Introduction to ANSYS 5.3 Instructors Guide Chapter II: Finite Element Analysis (FEA), Lesson 2: Making Analysis Decisions * Introduction to ANSYS 5.3 Instructors Guide Chapter II: Finite Element Analysis (FEA), Lesson 2: Making Analysis Decisions * Introduction to ANSYS 5.3 Instructors Guide Chapter II: Finite Element Analysis (FEA), Lesson 2: Making Analysis Decisions * Introduction to ANSYS 5.3 Instructors Guide Chapter II: Finite Element Analysis (FEA), Lesson 2: Making Analysis Decisions * Introduction to ANSYS 5.3 Instructors Guide Chapter II: Finite Element Analysis (FEA), Lesson 2: Making Analysis Decisions * Introduction to ANSYS 5.3 Instructors Guide Chapter II: Finite Element Analysis (FEA), Lesson 2: Making Analysis Decisions * Introduction to ANSYS 5.3 Instructors Guide Chapter II: Finite Element Analysis (FEA), Lesson 2: Making Analysis Decisions * Introduction to ANSYS 5.3 Instructors Guide Chapter II: Finite Element Analysis (FEA), Lesson 2: Making Analysis Decisions * Introduction to ANSYS 5.3 Instructors Guide Chapter II: Finite Element Analysis (FEA), Lesson 2: Making Analysis Decisions * Introduction to ANSYS 5.3 Instructors Guide Chapter II: Finite Element Analysis (FEA), Lesson 2: Making Analysis Decisions * Introductio