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1、结构分析实验指导书1.问题描述：这是一个关于角支架的单载荷步的结构静力分析。如图所示，左上角的销孔由于焊接而被固定死。右下角的销孔上作用一分布力。本问题的目标是熟悉ANSYS分析的基本过程。使用的是美国的单位体系。材料的杨氏模量为30E6psi，泊松比0.27。2.几何建模：第一步：定义矩形1.MainMenu>Preprocessor>Modeling>Create>Areas>Rectangle>ByDimensions2.Enterthefollowing:X1=0,X2=6,Y1=-1,Y2=13.Applytocreatethefirs
2、trectangle.4.Enterthefollowing:X1=4,X2=6,Y1=-1,Y2=-35.OKtocreatethesecondrectangleandclosethedialogbox.第二步：更改绘图属性和重绘。1.UtilityMenu>PlotCtrls>Numbering2.Turnonareanumbers.3.OKtochangecontrols,closethedialogbox,andreplot.4.Toolbar:SAVE_DB.第三步：更改工作平面为极坐标系并创建第一个圆1.UtilityMenu>Wor
3、kPlane>DisplayWorkingPlane(toggleon)2.UtilityMenu>WorkPlane>WPSettings3.ClickonPolar.4.ClickonGridandTriad.5.Enter0.1forsnapincrement.6.OKtodefinesettingsandclosethedialogbox.7.MainMenu>Preprocessor>Modeling>Create>Areas>Circle>SolidCircle8.Pickcenterpointat:WPX=0，WPY=09.Move
4、mousetoradiusof1andclickleftbuttontocreatecircle.10.OKtoclosepickingmenu.1.Toolbar:SAVE_DB.第四步：移动工作平面并创建第二个圆1.UtilityMenu>WorkPlane>OffsetWPto>Keypoints2.Pickkeypointatlowerleftcornerofrectangle.3.Pickkeypointatlowerrightofrectangle.4.OKtoclosepickingmenu.5.MainMenu>Preproces
5、sor>Modeling>Create>Areas>Circle>SolidCircle6.Pickcenterpointat:WPX=0，WPY=07.Movemousetoradiusof1andclickleftbuttontocreatecircle.8.OKtoclosepickingmenu.9.Toolbar:SAVE_DB.第五步：增加面1.MainMenu>Preprocessor>Modeling>Operate>Booleans>Add>Areas2.PickAllforallareastobeadded.3.Toolbar
6、:SAVE_DB.第六步：创建线倒角1.UtilityMenu>PlotCtrls>Numbering2.Turnonlinenumbering.3.OKtochangecontrols,closethedialogbox,andautomaticallyreplot.4.UtilityMenu>WorkPlane>DisplayWorkingPlane(toggleoff)5.MainMenu>Preprocessor>Modeling>Create>Lines>LineFillet6.Picklines17and8.7.OKtofinishp
7、ickinglines(inpickingmenu).8.Enter0.4astheradius.9.OKtocreatelinefilletandclosethedialogbox.10.UtilityMenu>Plot>Lines第七步：创建倒角面1.UtilityMenu>PlotCtrls>Pan,Zoom,Rotate2.ClickonZoombutton.1.Movemousetofilletregion,clickleftbutton,movemouseoutandclickagain.2.MainMenu>Preprocessor
8、>Modeling>Create>Areas>Arbitrary>ByLines3.Picklines4,5,and1.4.OKtocr
