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[求助]
模拟连续点压过程，第一步后就报错说变形过大，不收敛，问题出在什么地方，求大神正解
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我在用ansys模拟一个连续点压的过程，怎么在模拟完第一步后就报错说变形过大，之后就不收敛，不明白问题出在什么地方，求大神正解 /prep7 et,1,plane183 !mp,ex,1,2e11 !mp,prxy,1,0.3 !mp,dens,1,7840 !tb,biso,1,1,2, !tbtemp,0 !tbdata,,1.37e8,2.1e8,,,, !r,1,0.03 error=0.000001 mp,ex,1,117e9 mp,dens,1,8900 mp,prxy,1,0.32 tb,biso,1,1,,0 tbmodif,2,1,4e8 tbmodif,3,1,2e8 rect,-0.01,0.01,0,0.006 rect,-0.01,-0.02,0,0.006 rect,0.01,0.02,0,0.006 rect,-0.01,0.01,0.006,0.0063 rect,-0.01,0.01,0.0063,0.0066 aglue,all numcmp,area numcmp,line /replot mshape,0,2d mshkey,1 allsel lsel,s,,,1,3,2 lsel,a,,,7,8,1 lesize,all,,,100 lsel,s,,,9,10,1 lsel,a,,,13,14,1 lesize,all,,,4 lsel,s,,,2,4,2 lsel,a,,,5,6,1 lesize,all,,,6 lsel,s,,,11,12,1 lsel,a,,,15,16,1 lesize,all,,,1.5 mat,1 amesh,1 mat,1 amesh,2 mat,1 amesh,3 mat,1 amesh,4 mat,1 amesh,5 allsel !esel,s,live !/replot !allsel finish /solu antype,4 trnopt,full lumpm,0 cnvtol,f,5000,0.01,0, , cnvtol,u, ,0.9,2, , nlgeom,1 lnsrch,1 ncnv,2,0,0,0,0 rescontrl,define,all,1,1 eplot allsel nsel,s,loc,y,0.006-error,0.006+error nsel,r,loc,x,-0.02-error,-0.018+error d,all,uy allsel nsel,s,loc,y,0.006-error,0.006+error nsel,r,loc,x,0.018-error,0.02+error d,all,uy allsel nsel,s,loc,y,-error,error d,all,all allsel nsel,s,loc,y,0.0066-error,0.0066+error nsel,r,loc,x,-0.006,-0.002 d,all,uy,-0.0001 outres,all,last, allsel time,1 autots,1 nsub,800,1000,20,1 kbc,0 tsres,erase allsel solve allsel nsel,s,loc,y,0.006-error,0.0066+error nsel,r,loc,x,-0.01,0.01 ddele,all,all allsel nsel,s,loc,y,0.0066-error,0.0066+error nsel,r,loc,x,0,0.004 d,all,uy,-0.0001 outres,all,last, allsel time,2 autots,1 nsub,800,1000,20,1 kbc,0 tsres,erase allsel solve allsel nsel,s,loc,y,0.006-error,0.0066+error nsel,r,loc,x,-0.01,0.01 ddele,all,all save 谢谢 |
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