abaqus带法兰油缸的有限元分析

7.
定义载荷与边界条件 (Context Bar: Module Load) Toolbox Area: click Create Load Create Load Window: input Name: Pressure Outer; select Step: Load, Category: Mechanical, Types for Selected Step: Pressure; click Continue… Viewport: click the right edge Prompt Area: click Done Edit Load Window: input Magnitude: 100; click OK Toolbox Area: click Create Load Create Load Window: input Name: Pressure Inner; select Step: Load, Category: Mechanical, Types for Selected Step: Pressure; click Continue… Viewport: click the left edge Prompt Area: click Done Edit Load Window: input Magnitude: 200; click OK Toolbox Area: click Create Boundary Condition Create Boundary Condition Window: input Name: Fix Corner; select Step: Initial, Category: Mechanical, Types for Selected Step: Symmetry/Antisymmetry/Encastre; click Continue... Viewport: click the left bottom corner of the part Prompt Area: click Done Edit Boundary Condition Window: select ENCASTRE(U1=U2=U3=UR1=UR2=UR3=0); click OK Toolbox Area: click Create Boundary Condition Create Boundary Condition Window: input Name: Fix Bottom Edge Vertically; select Step: Initial, Category: Mechanical, Types for Selected Step: Displacement/Rotation; click Continue… Viewport: click the bottom edge Prompt Area: click Done Edit Boundary Condition Window: set U1: OFF, U2: ON, UR3: OFF; ar: Module Step) Toolbox Area: click Create Step Create Step window: input Name: Load; select Procedure type: General > Static, General; click Continue… Edit Step Window: click OK
ABAQUS step-by-step 建模分析实例 1
实例 1：带法兰油缸的有限元分析(轴对称模型)
P1 R300 800 R400 R480
150 P0 500 600 P0=100N/mm2 P1 =200N/mm2 =0.3 E =210000N/mm2
100 单位 : 毫米 (mm)
(a) 几何模型
4.
设置材料属性 (Context Bar: Module Property) Toolbox Area: click Create Material Edit Material Window: input Name: steel; select Mechanical > Elasticity > Elastic; input Young’s Modulus: 200, Poisson’s Ratio: 0.3; click OK Toolbox Area: click Create Section Create Section Window: input Name: SectionCylinder; select Category: Solid, Type: Homogeneous; click Continue… Edit Section: click OK Toolbox Area: click Assign Section Viewport: click anywhere of the part Prompt Area: click Done Assign Section Window: click OK
图3
法兰的位移大小分布
图4
法兰的 Von Mises 应力分布
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(b) 几何尺寸与载荷 图 1 带法兰油缸的计算分析模型
1.
进入 ABAQUS/CAE 开始 程序 ABAQUS 6.xx ABAQUS CAE
2.
新建 Model Database Start Session 窗口: Create Model Database
3.
创建几何模型 (Context Bar: Module Part) Toolbox Area: click New Part Create Part Window: input Name: Cylinder; select Modeling Space: Axisymmetric, Type: Deformable, Base Feature: Shell; input Approximate size: 2000; click Continue… Toolbox Area: click Create Lines: Connected Prompt Area: input 300,-300 enter Prompt Area: input 480,-300 enter Prompt Area: input 480,-200 enter Prompt Area: input 400,-200 enter Prompt Area: input 400,400 enter Prompt Area: input 480,400 enter Prompt Area: input 480,500 enter Prompt Area: input 300,500 enter Prompt Area: input 300,350 enter Prompt Area: input 300,-150 enter Prompt Area: input 300,-300 enter Toolbar: click Auto-Fit View center click Prompt Area: click Done
8.
划分网格 (Context Bar: Module Mesh) Toolbox Bar: click Seed Part Instance Prompt Area: input Global element size (approximate): 25 enter center click Toolbox Bar: click Assign Element Type Element Type Window: (Quad Tab) set Reduced integration: OFF; click OK Toolbox Bar: click Mesh Part Instance Prompt Area: click Yes
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ABAQUS step-by-step 建模分析实例 1
Z T R
2 3 1
图2
网格
9.
计算分析 (Context Bar: Module Job) Toolbox Bar: click Create Job Create Job Window: input Name: Cylinder; click Continue… Edit Job Window: click OK Toolbox Bar: click Job Manager Job Manager Window: click Submit; click Monitor plate Monitor Window: click Dismiss when job is completed Job Manger Window: click Results
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ABAQUS step-by-step 建模分析实例 1
5.
组装零件 (Context Bar: Module Assemble) Toolbox Area: click Instance Part Create Instance Window: select Parts: plate; click OK
10. 后处理 (Context Bar: Module Visualization) 显示 Von Mises 应力分布图：Toolbox Bar: click Plot Contour 显示应力的最大最小值：Menu Bar: select Viewport > Viewport Annotation Options… Viewport Annotation Options Window: (Legend Tab) select show min/max values: ON; click OK 显示合成位移分布图：Menu Bar: select Result > Field Output… Field Output Window: select Primary Variable: S Spatial displacement at nodes, Invariants: Magnitude; click OK