文档介绍：题目:如图所示是一飞轮的截面图。飞轮材料的弹性模量210GPa,,密度7800kg/m3。,飞轮边缘受到压力作用,压力p为1MPa,飞轮轴孔固定。试对飞轮进行静力分析并绘制飞轮在柱坐标系下径向、环向的应力和变形云图。主要步骤:用户自定义文件夹,以为文件名xiti开始一个新的分析。定义单元类型(1)选择MainMenu>Preprocessor>ElementType>Add/Edit/Delete>Add>select:selectSolidQuad8node82>OK(backtoElementTypeswindow)(2)设置SolidQuad8node82的Options选项,Options…>seleltK3:Axisymmetric>Close(theElementTypewindow),如图1所示。图1单元属性设置对话框定义材料性能参数定义材料的弹性模量和泊松比MainMenu:Preprocessor>MaterialProps>MaterialModels>Structural>Linear>Elastic>Isotropic>inputEX:,PRXY:>OK定义材料的密度MainMenu:Preprocessor>MaterialProps>MaterialModels>Favorite>LinearStatic>Density>inputDENS:>OK建立几何模型、划分网格生成特征点MainMenu>Preprocessor>Modeling>Create>Keypoints>InActiveCS>依次输入点的坐标:input:1(50,0),2(55,0),3(55,16),4(75,16),5(75,5),6(80,5),7(80,40),8(75,40),9(75,24),10(55,24),11(55,50),12(50,50)连接各特征点MainMenu>Preprocessor>Modeling>Create>Lines>Lines>StraightLine>依次连接各特征点:1(50,0),2(55,0),3(55,16),4(75,16),5(75,5),6(80,5),7(80,40),8(75,40),9(75,24),10(55,24),11(55,50),12(50,50)生成过度圆弧MainMenu>Preprocessor>Modeling>Create>Lines>LineFillet>选择需要产生过度圆弧的两边,输入过度圆弧的半径>OK如图2所示。图2飞轮截面形状生成飞轮截面MainMenu>Preprocessor>Modeling>Create>Areas>Arbitrary>Bylines>依次选择各条线>OK如图3所示。图3飞轮截面模型网格划分MainMenu>Preprocessor>Meshing>MeshTool>(SizeControls)Global:Set>inputSIZE:1>OKMeshTool>Mesh:selectAreas>Shape:Quad>Free>Mesh>PickAll>Close(theMeshToolwindow)如图4所示。图4飞轮网格划分模型模型约束加载对飞轮边施加位移