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1、以下是本人做的一个点焊有限元分析的例子的命令流，注意本人用的是ANSYS，这里面有很多的命令流是废话，本人懒，就不做剪切了，其中重要的地方我都做了解释。将命令流复制粘贴到ANSYS的命令窗口按键盘上的回车键即可运行。这个案例用的是刚性短梁模拟焊点，希望对某些同志有一些参考意义。还要啰嗦一句，分析结果没有用实验验证过，正确与否，本人未知。Finish这三句是必须粘贴进去的/clear/prep7ET,1,SHELL181这两行是单元类型!*ET,2,BEAM188!*R,1,0.0017,,,,,,钢板厚度RMORE,,,,,,,!*!*
2、MPTEMP,,,,,,,,这段是材料参数MPTEMP,1,0MPDATA,EX,1,,2.07E11MPDATA,PRXY,1,,0.3TB,BISO,1,1,2,TBTEMP,0TBDATA,,300E6,490E6,,,,MPTEMP,,,,,,,,MPTEMP,1,0MPDATA,EX,2,,2.0E11MPDATA,PRXY,2,,0.3TB,BISO,2,1,2,TBTEMP,0TBDATA,,400E6,1000E6,,,,SECTYPE,1,BEAM,CSOLID,,0SECOFFSET,CENTSECDATA,0.00
3、1,0,0,0,0,0,0,0,0,0用于模拟焊点的短梁的半径，焊点的大小可在这里定义，这里是1mmRECTNG,0,0.1,0,0.16,这段是模型的几何建模，本人是先画钢板，后画/DIST,1,1.08222638492,1线的，这短线代表了焊点/REP,FAST/DIST,1,0.924021086472,1/REP,FAST/DIST,1,0.924021086472,1/REP,FAST/DIST,1,1.08222638492,1/REP,FAST/DIST,1,1.08222638492,1/REP,FAST/DIST,1
4、,0.924021086472,1/REP,FASTFLST,3,1,5,ORDE,1FITEM,3,1AGEN,2,P51X,,,0,0,0.0015,,0/DIST,1,1.08222638492,1/REP,FAST/DIST,1,0.924021086472,1/REP,FAST/DIST,1,0.924021086472,1/REP,FAST/DIST,1,1.08222638492,1/REP,FAST/DIST,1,1.08222638492,1/REP,FAST/DIST,1,1.08222638492,1/REP,FA
5、ST/DIST,1,0.924021086472,1/REP,FAST/DIST,1,0.924021086472,1/REP,FAST/DIST,1,1.08222638492,1/REP,FAST/DIST,1,1.08222638492,1/REP,FAST/DIST,1,1.08222638492,1/REP,FAST/DIST,1,0.924021086472,1/REP,FAST/DIST,1,0.924021086472,1/REP,FAST/DIST,1,0.924021086472,1/REP,FAST/VIEW,1,
6、-1/ANG,1/REP,FAST/VIEW,1,,,1/ANG,1/REP,FASTFLST,3,1,5,ORDE,1FITEM,3,2AGEN,,P51X,,,0.06,0,0,,,1/DIST,1,1.08222638492,1/REP,FAST/VIEW,1,,1/ANG,1/REP,FAST/VIEW,1,,,1/ANG,1/REP,FAST/DIST,1,1.08222638492,1/REP,FAST/DIST,1,0.924021086472,1/REP,FASTK,9,0.08,0.08,0,画关键点K,10,0.08
7、,0.08,0.0015,LSTR,9,10连线AESIZE,ALL,0.005,这段是划分网格MSHKEY,0FLST,5,2,5,ORDE,2FITEM,5,1FITEM,5,-2CM,_Y,AREAASEL,,,,P51XCM,_Y1,AREACHKMSH,'AREA'CMSEL,S,_Y!*AMESH,_Y1!*CMDELE,_YCMDELE,_Y1CMDELE,_Y2!*CM,_Y,LINELSEL,,,,9CM,_Y1,LINECMSEL,S,_Y!*!*CMSEL,S,_Y1LATT,2,1,2,,,,1CMSEL,S,_
8、YCMDELE,_YCMDELE,_Y1!*FLST,5,1,4,ORDE,1FITEM,5,9CM,_Y,LINELSEL,,,,P51XCM,_Y1,LINECMSEL,,_Y!*LESIZE,_Y1,
