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有限元分析大作业姓名学号任课教师2018年11月28日1目录1.问题......................................................................................................................................22.建模......................................................................................................................................23.求解....................................................................................................................................244.后处理................................................................................................................................275.结论....................................................................................................................................2921.问题对一个位移控制加载的轴对称咬接装配问题进行分析。设偏移量为0.4dm，即4cm。绿色部分选择材料为ABS，弹性模量为0.2GPa，泊松比为0.394；红色部分材料为尼龙，弹性模量为8.3GPa，泊松比为0.28。2.建模1.启动ANSYS软件，工作路径为缺省，工作文件名为“Homework”。2.在XOY平面第一象限内生成最下方图形1，其坐标点为：32.1.创建关键点，将所有的点建立出来。MainMenuPreprocessorModelingCreateKeypointsInActiveCS…按照上图的坐标点数值，输入到ANSYS中，然后点保存。或用命令：/PREP7K,,0.163,0,,K,,0.163,0.032,,K,,0.15,0.045,,K,,0.15,0.086,,K,,0.16,0.086,,K,,0.16,0.084,,K,,0.163,0.077,,K,,0.163,0.0715,,K,,0.16,0.0715,,K,,0.16,0.0695,,K,,0.163,0.0625,,K,,0.163,0.0565,,K,,0.16,0.0565,,K,,0.16,0.0495,,K,,0.162,0.0475,,K,,0.2025,0.0475,,K,,0.2025,0.0255,,K,,0.1925,0.0255,,K,,0.1925,0.0375,,K,,0.1765,0.0375,,K,,0.17,0.0265,,K,,0.17,0,,SAVE2.2.将界面调整适合于窗口：点击右侧工具栏的FitView。4或用命令：/AUTO,1/REP,FAST2.3.打开点号：UtilityMenuPlotCtrlsNumbering...设置点号为“on”，然后选择[OK]。或用命令：/PNUM,KP,1/REPLOT2.4.创建线，将关键点连接出来。MainMenuPreprocessorModelingCreateLinesLinesStraightLine…按照上图所示，依次将关键点连接，然后点保存。或用命令：LSTR,1,2LSTR,2,3LSTR,3,4LSTR,4,5LSTR,5,6LSTR,6,7LSTR,7,8LSTR,8,9LSTR,9,10LSTR,10,11LSTR,11,12LSTR,12,13LSTR,13,14LSTR,14,15LSTR,15,16LSTR,16,17LSTR,17,185LSTR,18,19LSTR,19,20LSTR,20,21LSTR,21,22LSTR,22,1SAVE2.5.关闭点号，打开线号：UtilityMenuPlotCtrlsNumbering...设置点号为“off”，设置线号为“on”，然后选择[OK]。或用命令：/PNUM,KP,0/PNUM,LINE,1/REPLOT2.6.倒圆角，以预先定义的线15，16，进行倒圆角处理，圆角半径为6mm：MainMenuPreprocessorModelingCreateLinesLineFillet…选择界面中的L15和L16，点击[OK]，在Filletradius中输入0.006，点击[OK]。或用命令：LFILLT,15,16,0.006,,2.7.创建平面1：MainMenuPreprocessorModelingCreateAreasArbitraryByLines…在对话框中，选择Loop选项，点击模型中的一条线，自动拾取整个封闭线环，点击[OK]确定，然后点保存。FLST,2,23,4FITEM,2,3FITEM,2,2FITEM,2,1FITEM,2,22FITEM,2,21FITEM,2,20FITEM,2,196FITEM,2,18FITEM,2,17FITEM,2,16FITEM,2,23FITEM,2,15FITEM,2,14FITEM,2,13FITEM,2,12FITEM,2,11FITEM,2,10FITEM,2,9FITEM,2,8FITEM,2,7FITEM,2,6FITEM,2,5FITEM,2,4AL,P51XSAVE3.创建平面图形2：73.1.创建关键点，将所有的点建立出来：K,,0.15,0.151,,K,,0.159,0.151,,K,,0.163,0.143,,K,,0.163,0.137,,K,,0.1555,0.137,,K,,0.1555,0.1225,,K,,0.163,0.1225,,K,,0.163,0.117,,K,,0.16,0.117,,K,,0.16,0.114,,K,,0.163,0.107,,K,,0.163,0.101,,K,,0.16,0.101,,K,,0.16,0.098,,K,,0.163,0.091,,K,,0.163,0.086,,SAVE3.2.将界面调整适合于窗口：点击右侧工具栏的FitView。或用命令：/AUTO,1/REP,FAST3.3.打开点号，关闭线号：UtilityMenuPlotCtrlsNumbering...设置点号为“on”，设置线号为“off”，然后选择[OK]。或用命令：/PNUM,KP,1/PNUM,LINE,0/REPLOT83.4.创建线，将关键点连接出来。MainMenuPreprocessorModelingCreateLinesLinesStraightLine…按照上图所示，依次将关键点连接，然后点保存。或用命令：LSTR,4,25LSTR,25,26LSTR,26,27LSTR,27,28LSTR,28,29LSTR,29,30LSTR,30,31LSTR,31,32LSTR,32,33LSTR,33,34LSTR,34,35LSTR,35,36LSTR,36,37LSTR,37,38LSTR,38,39LSTR,39,40LSTR,40,4SAVE3.5.关闭点号，打开线号：UtilityMenuPlotCtrlsNumbering...设置点号为“off”，设置线号为“on”，然后选择[OK]。或用命令：/PNUM,KP,0/PNUM,LINE,1/REPLOT3.6.创建平面2：9MainMenuPreprocessorModelingCreateAreasArbitraryByLines…弹出对话框后，选择组成平面2每一条线，点击[OK]确定，然后点保存。FLST,2,17,4FITEM,2,29FITEM,2,28FITEM,2,27FITEM,2,26FITEM,2,25FITEM,2,24FITEM,2,30FITEM,2,31FITEM,2,32FITEM,2,33FITEM,2,34FITEM,2,35FITEM,2,36FITEM,2,37FITEM,2,38FITEM,2,39FITEM,2,40AL,P51XSAVE4.创建平面图形3：4.1.创建关键点，将所有的点建立出来：K,,0.165,0.1325,,K,,0.165,0.127,,SAVE4.2.将界面调整适合于窗口：点击右侧工具栏的FitView。10或用命令：/AUTO,1/REP,FAST4.3.打开点号，关闭线号：UtilityMenuPlotCtrlsNumbering...设置点号为“on”，设置线号为“off”，然后选择[OK]。或用命令：/PNUM,KP,1/PNUM,LINE,0/REPLOT4.4.创建线，将关键点连接出来。MainMenuPreprocessorModelingCreateLinesLinesStraightLine…按照上图所示，依次将关键点连接，然后点保存。或用命令：LSTR,28,41LSTR,41,42LSTR,42,31SAVE4.5.关闭点号，打开线号：UtilityMenuPlotCtrlsNumbering...设置点号为“off”，设置线号为“on”，然后选择[OK]。或用命令：/PNUM,KP,0/PNUM,LINE,1/REPLOT4.6.创建平面3：MainMenuPreprocessorModelingCreateAreasArbitraryByLines…弹出对话框后，选择组成平面3的每一条线，点击[OK]确定，然后点保存。或用命令：FLST,2,6,411FITEM,2,42FITEM,2,41FITEM,2,28FITEM,2,29FITEM,2,30FITEM,2,43AL,P51XSAVE5.创建平面图形4：5.1.创建关键点，将所有的点建立出来：K,,0.1635,0.157,,K,,0.1605,0.157,,K,,0.1605,0.1535,,K,,0.1645,0.1495,,12K,,0.1685,0.1495,,K,,0.1715,0.1525,,K,,0.1715,0.1685,,K,,0.1635,0.1685,,SAVE5.2.将界面调整适合于窗口：点击右侧工具栏的FitView。或用命令：/AUTO,1/REP,FAST5.3.打开点号，关闭线号：UtilityMenuPlotCtrlsNumbering...设置点号为“on”，设置线号为“off”，然后选择[OK]。或用命令：/PNUM,KP,1/PNUM,LINE,0/REPLOT5.4.创建线，将关键点连接出来。MainMenuPreprocessorModelingCreateLinesLinesStraightLine…按照上图所示，依次将关键点连接，然后点保存。或用命令：LSTR,43,44LSTR,44,45LSTR,45,46LSTR,46,47LSTR,47,48LSTR,48,49LSTR,49,50LSTR,50,43SAVE135.5.关闭点号，打开线号：UtilityMenuPlotCtrlsNumbering...设置点号为“off”，设置线号为“on”，然后选择[OK]。或用命令：/PNUM,KP,0/PNUM,LINE,1/REPLOT5.6.创建平面4：MainMenuPreprocessorModelingCreat