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[求助]
新手求助，ANSYS谐响应分析！！已有1人参与
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对一个三维模型进行谐响应分析，上下表面是刚体，取四分之一模型进行分析，先对上表面施加10Mpa预应力，再进行谐响应分析施加0.1Mpa的正弦力，得不到幅频曲线，求大神帮忙分析一下APDL有什么错误（建模划分网格没问题，主要是谐响应分析），万分感谢！！！ /PREP7 ET,1,SOLID185 ET,2,MESH200 mp,ex,1,2.1e5 mp,prxy,1,0.3 mp,dens,1,7.8e-9 mp,ex,2,2.1e10 mp,prxy,2,0.3 mp,dens,2,7.8e-9 KEYOPT,2,1,6 KEYOPT,2,2,0 !建模 K,1,0.1,,3, K,2,0.06,,1, K,3,0.08,,0, K,4,0.06,,-1, K,5,0.1,,-3, FLST,3,5,3 FITEM,3,1 FITEM,3,2 FITEM,3,3 FITEM,3,4 FITEM,3,5 BSPLIN, ,P51X K,6,0,,3, K,7,0,,-3, LSTR, 6, 7 LSTR, 6, 1 LSTR, 7, 5 FLST,2,4,4 FITEM,2,3 FITEM,2,2 FITEM,2,4 FITEM,2,1 AL,P51X FLST,2,1,5,ORDE,1 FITEM,2,1 VEXT,P51X, , ,0,1.25,0,,,, FLST,3,1,6,ORDE,1 FITEM,3,1 VGEN, ,P51X, , ,-1.5, , , , ,1 K,12,0,0,3, K,13,0,1.5,3, K,14,-1.5,1.5,3, FLST,2,4,3 FITEM,2,6 FITEM,2,12 FITEM,2,13 FITEM,2,14 A,P51X FLST,2,1,5,ORDE,1 FITEM,2,7 VEXT,P51X, , ,0,0,0.2,,,, K,19,0,0,-3, K,20,0,1.5,-3, K,21,-1.5,1.5,-3, FLST,2,4,3 FITEM,2,7 FITEM,2,19 FITEM,2,20 FITEM,2,21 A,P51X FLST,2,1,5,ORDE,1 FITEM,2,13 VEXT,P51X, , ,0,0,-0.2,,,, csys,1 FLST,3,1,6,ORDE,1 FITEM,3,1 VGEN,2,P51X, , , ,-90, , ,0 csys,0 FLST,3,1,6,ORDE,1 FITEM,3,4 VGEN, ,P51X, , ,-1.25, , , , ,1 FLST,2,2,6,ORDE,2 FITEM,2,1 FITEM,2,-2 VGLUE,P51X FLST,2,2,6,ORDE,2 FITEM,2,4 FITEM,2,-5 VGLUE,P51X FLST,2,2,6,ORDE,2 FITEM,2,1 FITEM,2,3 VGLUE,P51X FLST,2,2,6,ORDE,2 FITEM,2,4 FITEM,2,-5 VGLUE,P51X !划分网格 TYPE, 1 MAT, 2 REAL, ESYS, 0 SECNUM, !* ESIZE,0.04,0, FLST,5,2,6,ORDE,2 FITEM,5,2 FITEM,5,-3 CM,_Y,VOLU VSEL, , , ,P51X CM,_Y1,VOLU CHKMSH,'VOLU' CMSEL,S,_Y !* VSWEEP,_Y1 !* CMDELE,_Y CMDELE,_Y1 CMDELE,_Y2 !* TYPE, 1 MAT, 1 REAL, ESYS, 0 SECNUM, !* FLST,5,2,6,ORDE,2 FITEM,5,1 FITEM,5,4 CM,_Y,VOLU VSEL, , , ,P51X CM,_Y1,VOLU CHKMSH,'VOLU' CMSEL,S,_Y !* VSWEEP,_Y1 !* CMDELE,_Y CMDELE,_Y1 CMDELE,_Y2 !* /UI,MESH,OFF /VIEW,1,,-1 /ANG,1 /REP,FAST /USER, 1 /VIEW, 1, 0.603520273461 , -0.732790804859 , 0.314294314037 /ANG, 1, -67.2607527117 /REPLO !求解 /SOLU ANTYPE,STATIC sfa,8,,pres,10 DA,14,all DA,25,symm DA,7,symm DA,10,symm DA,13,symm pstres,on SOLVE FINISH /SOLU ANTYPE,harmic OUTRES,,1 HROPT,FULL pstres,on dmprat,0.0001 kbc,1 sfa,8,,pres,0.1 harfrq,0,10 DELTIM,0.002 SOLVE FINISH  1.PNG  2.PNG |
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