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xiaolong599新蟲 (初入文壇)
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[求助]
接觸分析不收斂 已有1人參與
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PS:我現(xiàn)在一共有12個(gè)金幣,全給了,知道少了點(diǎn),但希望大神們幫幫忙,謝謝! 正題:ansys接觸分析不收斂 *****用ansys建模分析擋土墻平面線形布置,遇到問題: 1.劃分面網(wǎng)格,掃掠劃分體,沿直線掃略計(jì)算可以收斂 2.但是沿曲線掃略不能收斂(主要困難所在) 3.建模過程中沒有出現(xiàn)任何的警告和錯(cuò)誤提示,可結(jié)果就是你、不能收斂。 4.希望得到幫助,如有需要我把命令流發(fā)給大神 命令流: /clear /prep7 et,1,plane42 et,2,solid45 et,3,targe170 et,4,conta173 mp,ex,1,3e10 !擋土墻材料特性 mp,prxy,1,0.167 mp,dens,1,2500 mp,ex,2,2.8e7 !土的材料特性 mp,prxy,2,0.32 mp,dens,2,1900 tb,dp,2 tbdata,1,19,32,30 !定義DP材料及材料參數(shù) mp,mu,3,0 !定義接觸單元的摩擦系數(shù) mp,mu,4,0.2 r,1 r,2 r,3 r,4 r,5 k,1 k,2,1.93 k,3,1.93,0.25 k,4,1.58,0.4 k,5,1.58,3 k,6,1.28,3 k,7,1.2,0.4 k,8,0,0.25 *do,i,1,7 L,i,i+1 *enddo L,8,1 al,all wprota,,,90 wpoff,,,1.2 asbw,all wpoff,,,0.38 asbw,all wpoff,,0.4 wprota,,90 asbw,all aglue,all cm,wall,area wpcsys,-1 !--------------- ksel,none lsel,none asel,none k,21 k,22,0,0.25 k,23,1.2,0.4 k,24,1.28,3 k,25,-6,3 k,26,-6,-6 k,27,6,-6 k,28,6,0.8 k,29,1.58,0.8 k,30,1.58,0.4 k,31,1.93,0.25 k,32,1.93 *do,i,21,31 l,i,i+1 *enddo l,32,21 al,all kwpave,22 !!!將工作平面移到12點(diǎn) wprota,,,90 asbw,all kwpave,31 asbw,all wprota,,90 asbw,all kwpave,21 asbw,all cm,soil,area aglue,all allsel,all k,500 k,100,,,20 larc,500,100,32,60 vdrag,all,,,,,,38 wpcsys,-1 !----- k,501,,,18 KWPAVE, 501 vsbw,all !------------ FLST,2,13,6,ORDE,2 FITEM,2,27 FITEM,2,-39 VDELE,P51X, , ,1 LDELE,38 /REPLO wpcsys,-1 !------------------------ cmsel,s,wall meshkey,1 esize,,10 aatt,1,1,1 amesh,all cmsel,s,soil mshkey,1 esize,0.2 aatt,2,2,1 amesh,all allsel,all !------------- type,2 lesize,176,,,10 vsweep,all extopt,aclear,1 !面單元網(wǎng)格是否清除 !創(chuàng)建接觸對(duì)1——墻背與土的接觸--------------------- asel,s,,,73,74,1 asel,a,,,80 nsla,s,1 real,3 type,3 esure,all !土 asel,s,,,90,91,1 asel,a,,,95 nsla,s,1 real,3 type,4 mat,3 esure,all !創(chuàng)建接觸對(duì)2——墻底與土的接觸--------------------- asel,s,,,68,88,20 asel,a,,,75 nsla,s,1 real,4 type,3 esurf,all asel,s,,,104 nsla,s,1 real,4 type,4 mat,4 esurf,all !創(chuàng)建接觸對(duì)3——墻前與土的接觸--------------------- asel,s,,,69,70,1 asel,a,,,78 nsla,s,1 real,5 type,3 esurf,all asel,s,,,85,86,1 asel,a,,,109 nsla,s,1 real,5 type,4 mat,3 esurf,all !施加約束 asel,s,,,114,117,3 asel,a,,,96,106,10 asel,a,,,100,120,10 asel,a,,,116,119,3 da,all,all allsel,all !--------------- /solu antype,static acel,,9.8 time,1 nsubst,100 autot,on nlgeom,on nropt,full,,off csys,0 solve finish |
ANSYS命令流 |
新蟲 (初入文壇)
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