结构有限元分析实验报告1.docVIP

带孔平板的有限元分析 1,设置单元类型 Preprocessor- Element Type- Add/Edit/Delete- Add -solid:Quad 4node 42- OK-Options…-K3:Plane Strs w/thk -OK-close 2,定义材料参数 preprocessor- Material Props- Material Models- Structural- Linear -Elastic -Isotropic: EX 2.1e5,Prxy:0.3-OK 3,定义实常数 preprocessor -Real Constant…- Add/Edit/Delete- Add -Type 1-OK- Real Constant Set No：1 THK:1-OK-close 4,生成几何模型 (1)生成平面方板 Preprocessor-modeling-Crete-Areas-Rectange -By 2 Corners-WP X:0,WP Y:0, Width:100,Height:100-OK (2)生成圆孔平面 Preprocessor-modeling-Crete-Areas-Circle-Solid Circle-WP X:50,WP Y:50, Radius:5-OK (3)生成带孔方板 Preprocessor-modeling-Booleans- Subtract -Areas - 鼠标点击area1（方板）-OK（在Multi_Entities窗口中）-OK（在Subtract Areas窗口中）-鼠标点击 area 2（圆孔）-OK（在Multi_Entities窗口中）-OK（在Subtract Areas窗口中） 5,网格划分 Preprocessor-meshing- Mesh Tool…-位于Size Controls下的Global：Set-NDIV：32-OK-MeshTool-点击Mesh按钮-Pick All-Close- Close 6,模型施加约束和外载 左面施加X方向的约束 Solution-Define Loads- Apply- Structural- Displacement- On Nodes-用鼠标选择结构左侧边上的所有节点-Ok -Lab2 DOFs：UX，VALUE：0- OK 左下角节点加X和Y俩方向的约束 Solution-Define Loads- Apply- Structural- Displacement- On Nodes-用鼠标选择左下角（0,0）位置的节点-Ok -Lab2 DOFs：UX，Uy（默认值为0）- OK 右边加X方向均布荷载 Solution-Define Loads- Apply- Structural- pressure- On Lines-用鼠标选择结构右侧边- OK- VALUE：-100 -OK- Close 7,分析计算 Solution-Slove-Current LS-OK -Should The Solve Command be Executed? Y- Close 8,结果显示 General Postproc- Plot Results-Deformed Shape…- Def+Undeformed - OK - Contour Plot - Nodal Solu…- Stress, Von Mises, Def+Undeformed - OK 模态分析 1，设置计算单元类型 Preprocessor- Element Type- Add/Edit/Delete- Add -选择link 2D Spar 1- OK 2，定义材料参数 preprocessor- Material Props- Material Models- Structural- Linear -Elastic -Isotropic: EX 2.1e11,Prxy:0.3-OK preprocessor- Material Props- Material Models-Thermal -density -dens ：7800 3，定义实常数 preprocessor -Real Constant- Add/Edit/Delete- Add -Type 1-OK- Real Constant Set No：1 Aera：0.2-OK- Add -Type 1-OK- Real Constant Set No：2 Aera：0.1-OK 4，生成几何模型 N, 1, 0, 0 N, 2, 10, 0 N, 3, 20, 0 TYPE, 1 REAL, 1使用第一实常数 E, 1, 2 RE