案例 virtual lab 网格前处理 -...
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案例 Virtual Lab 网格前处理
Edited by lengxuef and WSH
VL 拥有强大的网格前处理功能,本文针对一些基本的网格前处理操作进行简单的介绍,
主要有删除和创建单元、节点,合并节点,对网格进行平移、旋转、缩放等操作。
1、 进入前处理模块,导入模型
前处理操作多是在 Start->Structures 模块下进行的
模型的导入,File->import,VL 接口广泛,支持多种格式的文件。
2、 删除和创建节点、单元
模型中有多余的节点或单元时,需要进行删除操作
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节点和单元的删除操作:Tool->Nodes->Delete Free Node 和 Tool->Elements->Delete Element
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弹出对话框后,点选需要删除的节点和单元即可
当然也可以创建单元和节点
创建节点:Insert->Nodes->New Nodes by Coordinates
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创建单元:Insert->Elements->New 2D Elements->Create Shell Element
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3、 合并节点
模型中距离较近的节点需要共节点的时候,可选择合并节点的操作
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Tool->Nodes->Merge Coincident Nodes…弹出对话框后选择网格,设置容差即可
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4、 网格平移、旋转、转换等操作
Tools->LMS Mesh Transformations 其子目录下提供了丰富的网格转换处理功能
平移:
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旋转:
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网格转换