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[求助]
我要做一個接觸分析的,算不出結果,求高手幫我看看
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我寫了兩段命令,一個算不出結果,另一個不收斂,求高手幫我看看。下面是命令: h=6 !.....結構層厚度 h1=0.30 !.....面層厚度 h2=0.30 !.....級配碎石層厚度 h3=h-h1-h2 !.....土基厚度 b=0.189 !..........輪胎尺寸 d=0.32 !..........雙輪間距 w=5 !..........模型寬度 FINISH /prep7 *afun,deg et,1,plane42 blc4,0,0,w,h3,0 blc4,0,h3,w,h2,0 blc4,0,h2+h3,w,h1,0 wprota,0,0,90 wpave,w/2-d/2-b/2,h,0 asbw,all wpave,w/2-d/2+b/2,h,0 asbw,all wpave,w/2+d/2-b/2,h,0 asbw,all wpave,w/2+d/2+b/2,h,0 asbw,all asel,s,loc,y,0,h3+h2-0.0001 aglue,all asel,s,loc,y,h2+h3+0.0001,h aglue,all MP,ex,1,1200e6 mp,prxy,1,0.35 mp,ex,2,300e6 mp,prxy,2,0.3 tb,dp,2 TBDATA,1,54000 TBDATA,2,47 mp,ex,4,40e6 mp,prxy,4,0.35 asel,s,loc,y,0,h3 AATT,4,,,,0 asel,s,loc,y,h3,h3+h2 AATT,2,,,,0 asel,s,loc,y,h3+h2,h AATT,1,,,,0 lsel,s,length,,h1 lesize,all,,,5 lsel,s,length,,h2 LESIZE,all,,,5 lsel,s,length,,h3 lesize,all,,,50 lsel,s,length,,b lesize,all,,,3 lsel,s,length,,w/2-d/2-b/2 lesize,all,,,20 lsel,s,length,,d-b lesize,all,,,2 allsel,all amesh,all /COM, CONTACT PAIR CREATION - START MP,MU,1,0.5 MAT,1 !MP,EMIS,1,7.88860905221e-031 R,3 REAL,3 ET,2,169 ET,3,172 R,3,,,1.0,0.1,0, RMORE,,,1.0E20,0.0,1.0, RMORE,0.0,0,1.0,,1.0,0.5 RMORE,0,1.0,1.0,0.0,,1.0 RMORE,10.0 KEYOPT,3,3,0 KEYOPT,3,4,2 KEYOPT,3,5,0 KEYOPT,3,7,0 KEYOPT,3,8,0 KEYOPT,3,9,0 KEYOPT,3,10,2 KEYOPT,3,11,0 KEYOPT,3,12,6 KEYOPT,3,2,2 ! 生成目標面 asel,s,mat,,2 lsla,r lsel,r,loc,y,h2+h3 CM,_TARGET,LINE TYPE,2 NSLL,S,1 ESLN,S,0 ESURF CMSEL,S,_ELEMCM ! 生成接觸面 lsel,all asel,s,mat,,1 lsla,r lsel,r,loc,y,h2+h3 CM,_CONTACT,LINE TYPE,3 NSLL, ESLN,S,0 ESURF,all ALLSEL,all ESEL,ALL ESEL,S,TYPE,,2 ESEL,A,TYPE,,3 ESEL,R,REAL,,3 /PSYMB,ESYS,1 /PNUM,TYPE,1 /NUM,1 EPLOT ESEL,ALL ESEL,S,TYPE,,2 ESEL,A,TYPE,,3 ESEL,R,REAL,,3 /COM, CONTACT PAIR CREATION - END /MREP,EPLOT /solu !ANTYPE,0 !NLGEOM,ON !NROPT,FULL,,off !pred,on !AUTOTS,1 !TIME,1 !NSUBST,50,,,1 !TIME,0.1 !NSUBST,10,20,5 antype,0 nlgeom,on autots,on lsel,s,loc,y,0 d,all,all,0 allsel,all lsel,s,loc,x,0 lsel,a,loc,x,w d,all,,ux,0 allsel,all asel,s,mat,,1 lsla,r lsel,r,loc,y,h lsel,r,length,,b SFL,all,pres,0.7e6 allsel,all solve 一上命令算不出結果,好像是荷載沒加上一樣。 第二個 h=6 !.....結構層厚度 h1=0.30 !.....面層厚度 h2=0.30 !.....級配碎石層厚度 h3= 0.30 !.....半剛性基層厚度 h4=h-h1-h2-h3 !.....土基厚度 b=0.189 !..........輪胎尺寸 d=0.32 !..........雙輪間距 w=5 !..........模型寬度 FINISH /prep7 *afun,deg et,1,plane42 blc4,0,0,w,h4,0 blc4,0,h4,w,h3,0 blc4,0,h4+h3,w,h2,0 blc4,0,h4+h3+h2,w,h1,0 wprota,0,0,90 wpave,w/2-d/2-b/2,h,0 asbw,all wpave,w/2-d/2+b/2,h,0 asbw,all wpave,w/2+d/2-b/2,h,0 asbw,all wpave,w/2+d/2+b/2,h,0 asbw,all asel,s,loc,y,0,h4+h3+h2-0.0001 aglue,all asel,s,loc,y,h2+h3+h4+0.0001,h aglue,all MP,ex,1,1200e6 mp,prxy,1,0.35 mp,ex,2,300e6 mp,prxy,2,0.3 tb,dp,2 TBDATA,1,5400 TBDATA,2,47 mp,ex,3,1500e6 mp,prxy,3,0.25 mp,ex,4,40e6 mp,prxy,4,0.35 asel,s,loc,y,0,h4 AATT,4,,,,0 asel,s,loc,y,h4,h4+h3 AATT,3,,,,0 asel,s,loc,y,h4+h3,h4+h3+h2 AATT,2,,,,0 asel,s,loc,y,h4+h3+h2,h AATT,1,,,,0 lsel,s,length,,h1 lesize,all,,,5 lsel,s,length,,h2 LESIZE,all,,,5 lsel,s,length,,h3 lesize,all,,,5 lsel,s,length,,h4 lesize,all,,,50 lsel,s,length,,b lesize,all,,,3 lsel,s,length,,w/2-d/2-b/2 lesize,all,,,20 lsel,s,length,,d-b lesize,all,,,2 allsel,all amesh,all /COM, CONTACT PAIR CREATION - START MP,MU,1,0.5 MAT,1 MP,EMIS,1,7.88860905221e-031 R,3 REAL,3 ET,2,169 ET,3,172 R,3,,,1.0,0.1,, NROPT,UNSYM RMORE,,,1.0E20,0.0,1.0, RMORE,0.0,0,1.0,,1.0,0.5 RMORE,0,1.0,1.0,0.0,,1.0 RMORE,10.0 KEYOPT,3,3,0 KEYOPT,3,4,2 KEYOPT,3,5,0 KEYOPT,3,7,0 KEYOPT,3,8,0 KEYOPT,3,9,0 KEYOPT,3,10,2 KEYOPT,3,11,0 KEYOPT,3,12,6 KEYOPT,3,2,2 ! 生成目標面 asel,s,mat,,2 lsla,r lsel,r,loc,y,h2+h3+h4 CM,_TARGET,LINE TYPE,2 NSLL,S,1 ESLN,S,0 ESURF,all CMSEL,S,_ELEMCM ! 生成接觸面 lsel,all asel,s,mat,,1 lsla,r lsel,r,loc,y,h2+h3+h4 CM,_CONTACT,LINE TYPE,3 NSLL, ESLN,S,0 ESURF,all ALLSEL,all ESEL,ALL ESEL,S,TYPE,,2 ESEL,A,TYPE,,3 ESEL,R,REAL,,3 /PSYMB,ESYS,1 /PNUM,TYPE,1 /NUM,1 EPLOT ESEL,ALL ESEL,S,TYPE,,2 ESEL,A,TYPE,,3 ESEL,R,REAL,,3 /COM, CONTACT PAIR CREATION - END /MREP,EPLOT /solu !ANTYPE,0 !NLGEOM,1 !TIME,1 !AUTOTS,1 !NSUBST,20, , ,1 !TIME,0.1 !NSUBST,10,20,5 antype,0 nlgeom,on autots,on nsel,s,loc,y,0 d,all,all,0 allsel,all nsel,s,loc,x,0 nsel,a,loc,x,w d,all,ux,0 allsel,all asel,s,mat,,1 lsla,r lsel,r,loc,y,h lsel,r,length,,b SFL,all,pres,0.7e6 solve 這段命令好像不收斂,我對比兩段命令,找不出錯誤,求高手幫我看看,謝謝了。 我是新手,沒有太多金幣,謝謝了。 |
榮譽版主 (文壇精英)
小兔愛吃蘿卜

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