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[求助]
ansys的热应力分析算出来的初始应力不为零，参考温度应该怎么设？
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finish /clear /FILNAME,thermal1,0 /PREP7 !* ET,1,PLANE55 !* MPTEMP,,,,,,,, MPTEMP,1,0 MPDATA,KXX,1,,0.61 MPTEMP,,,,,,,, MPTEMP,1,0 MPDATA,DENS,1,,900 MPTEMP,,,,,,,, MPTEMP,1,0 MPDATA,C,1,,4200 !* RECTNG,-3.5,3.5,0,0.4, LSEL,S,LENGTH,,7 LESIZE,ALL, , ,40, , , , ,0 !* LSEL,S,LENGTH,,0.4 LESIZE,ALL, , ,10, , , , ,0 MSHAPE,0,2D MSHKEY,1 AMESH,1 !* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! *DEL,_FNCNAME *DEL,_FNCMTID *DEL,_FNCCSYS *SET,_FNCNAME,'T1' *SET,_FNCCSYS,0 ! /INPUT,t1.func,,,1 *DIM,%_FNCNAME%,TABLE,6,9,1,,,,%_FNCCSYS% ! ! Begin of equation: {Y}/0.4*-20 *SET,%_FNCNAME%(0,0,1), 0.0, -999 *SET,%_FNCNAME%(2,0,1), 0.0 *SET,%_FNCNAME%(3,0,1), 0.0 *SET,%_FNCNAME%(4,0,1), 0.0 *SET,%_FNCNAME%(5,0,1), 0.0 *SET,%_FNCNAME%(6,0,1), 0.0 *SET,%_FNCNAME%(0,1,1), 1.0, -1, 0, 0.4, 0, 0, 3 *SET,%_FNCNAME%(0,2,1), 0.0, -2, 0, 1, 3, 4, -1 *SET,%_FNCNAME%(0,3,1), 0, -1, 0, 0, 0, 0, 0 *SET,%_FNCNAME%(0,4,1), 0.0, -3, 0, 1, 0, 0, -1 *SET,%_FNCNAME%(0,5,1), 0.0, -4, 0, 1, -1, 2, -3 *SET,%_FNCNAME%(0,6,1), 0.0, -1, 0, 20, 0, 0, -4 *SET,%_FNCNAME%(0,7,1), 0.0, -3, 0, 1, -4, 3, -1 *SET,%_FNCNAME%(0,8,1), 0.0, -1, 0, 1, -2, 3, -3 *SET,%_FNCNAME%(0,9,1), 0.0, 99, 0, 1, -1, 0, 0 ! End of equation: {Y}/0.4*-20 !--> !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! allsel D,all, , %T1% , , , ,TEMP, , , , , !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ALLSEL FINISH /SOLU SOLVE save !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! FINISH /PREP7 lsclear,all ETCHG,TTS !* KEYOPT,1,1,0 KEYOPT,1,3,2 KEYOPT,1,6,0 !* *do,i,1,10,1 MPTEMP,,,,,,,, MPTEMP,1,0 MPDATA,EX,i,,2.3e9 MPDATA,PRXY,i,,0.35 MPTEMP,,,,,,,, MPTEMP,1,0 UIMP,I,REFT,,,1-i*2 MPDATA,ALPX,i,,55e-5 *enddo *do,i,1,10,1 NSEL,S,LOC,Y,0+(i-1)*0.04,0.04+(i-1)*0.04 ESLN,S,1 EMODIF,all,MAT,i, *enddo ALLSEL LDREAD,TEMP,,,7200, ,'thermal1','rth',' ' NSEL,S,LOC,X, D,ALL, , , , , ,UX, , , , , !NSEL,R,LOC,Y, !D,ALL, , , , , ,UY, , , , , NSEL,S,LOC,X, 3.5 D,ALL, , , , , ,UX, , , , , D,ALL, , , , , ,UY, , , , , NSEL,S,LOC,X, -3.5 D,ALL, , , , , ,UX, , , , , D,ALL, , , , , ,UY, , , , , !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ALLSEL FINISH /SOLU antype,0 SOLVE finish /post1 NSEL,S,LOC,X, 3.5 |
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