課件有限元分析例子

1、三、用ANSYS 構(gòu)建一個(gè)機(jī)械連桿模型圖（如圖（A）所示），并用圖（B）兩個(gè)圓進(jìn)行網(wǎng)格細(xì)化，模型的具體尺寸如圖（C）所示。網(wǎng)格進(jìn)行分網(wǎng)（參考圖（A）機(jī)械連桿模型圖圖（B）機(jī)械連桿模型網(wǎng)格圖圖（C）機(jī)械兩桿模型尺寸圖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