课件有限元分析例子

1、三、用ANSYS 构建一个机械连杆模型图（如图（A）所示），并用图（B）两个圆进行网格细化，模型的具体尺寸如图（C）所示。网格进行分网（参考图（A）机械连杆模型图图（B）机械连杆模型网格图图（C）机械两杆模型尺寸图APDL 程序：/PREP7 K,-1.8K,-1.8,0.35K,-1.4,0.35L,L, CSYS,1 K,1.4,135K,1,180K,1,135 L,L,1,2,233,5,460.350.550.45LFILLT,2,3,0.25, , wpro,-45.000000, CSYS,4 LSYMM,Y,all, , , ,0,0 wpro,45.000000, LSYMM

2、,X,all, , , ,0,0 WPOFF,6.5CSYS,4wpstyle,0.05,0.1,-1,1,0.003,1,2,5 K,0.7K,0.7,135K,0.4K,0.4,90L,L,26,27,2528wpstyle,0.05,0.1,-1,1,0.003,0,2,5 LSYMM,X,18, , , ,0,0CSYS,0 K,2.5,0.55K,5.2,0.45 FLST,3,4,3 FITEM,3,22 FITEM,3,31 FITEM,3,32 FITEM,3,26 BSPLIN, ,P51X LSYMM,Y,all, , , ,0,0allselNUMMRG,ALL, , ,

3、 ,LOW FLST,2,28,4FITEM,2,8 FITEM,2,7 FITEM,2,10 FITEM,2,6 FITEM,2,12 FITEM,2,13 FITEM,2,16 FITEM,2,14 FITEM,2,20 FITEM,2,17 FITEM,2,37 FITEM,2,40 FITEM,2,34 FITEM,2,33 FITEM,2,32 FITEM,2,36 FITEM,2,26 FITEM,2,27 FITEM,2,23 FITEM,2,28 FITEM,2,2 FITEM,2,22 FITEM,2,25 FITEM,2,21 FITEM,2,1 FITEM,2,30 FI

4、TEM,2,5 FITEM,2,3 AL,P51X FLST,2,8,4FITEM,2,4 FITEM,2,9 FITEM,2,15 FITEM,2,11 FITEM,2,24 FITEM,2,29 FITEM,2,31 FITEM,2,35 AL,P51X FLST,2,4,4 FITEM,2,19 FITEM,2,39 FITEM,2,18 FITEM,2,38 AL,P51X FLST,2,1,5,ORDE,1 FITEM,2,1 FLST,3,2,5,ORDE,2 FITEM,3,2 FITEM,3,-3ASBA,P51X,P51X, , ,ET,1,PLANE42 MPTEMP, M

5、PTEMP,1,0 MPDATA,EX,1,4e5 MPDATA,PRXY,1,0.3MSH,0,2DMSHKEY,0CM,_Y,AREA ASEL, , , , CM,_Y1,AREA CHKMSH,AREA CMSEL,S,_Y AMESH,_Y1 CMDELE,_Y CMDELE,_Y1 CMDELE,_Y24FLST,5,12,4,ORDE,12 FITEM,5,4FITEM,5,9 FITEM,5,11 FITEM,5,15 FITEM,5,18 FITEM,5,-19 FITEM,5,24 FITEM,5,29 FITEM,5,31 FITEM,5,35 FITEM,5,38 FITEM,5,-39 CM,_Y,LINE LS