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liangyuxin新蟲 (初入文壇)
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[求助]
網(wǎng)格劃分問題,求高手指點
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親們,求助。。。! 我算的是樁土非線性接觸問題,取1/4模型進行靜力計算。用SOILD45退化的四面體單元就可以計算,但是精度不行,用solid187卻無法計算,就是輸入SOLVE之后沒有反應(yīng)也沒有warning。solid92也能計算,但是不收收斂。求為什么SOLID187無法計算,且沒有任何警告提醒。求高手指點迷津。 求原因,求指點,F(xiàn)附上命令流如下。 /PREP7 BLC4,,,10,10,-25 CYL4,,,0.30,,,,-15 VSBV,1,2 WPOFF,,,-2.5 VSBW,ALL WPOFF,,,-10 VSBW,2 WPOFF,,,-1.4 VSBW,4 WPOFF,,,-1.1 VSBW,5 ET,1,187 ET,2,170 ET,3,174 KEYOPT,3,9,0 KEYOPT,3,12,2 MP,EX,1,3.0E10 MP,PRXY,1,0.2 MP,DENS,1,2400 MP,EX,2,1.33E8 MP,PRXY,2,0.2 MP,DENS,2,2143 TB,DP,2 TBDATA,,0,36,0 MP,EX,3,0.35E8 MP,PRXY,3,0.38 MP,DENS,3,1939 TB,DP,3 TBDATA,,27900,28,0 MP,EX,4,0.74E8 MP,PRXY,4,0.3 MP,DENS,4,1836 TB,DP,4 TBDATA,,16700,32,0 MP,EX,5,0.75E8 MP,PRXY,5,0.4 MP,DENS,5,2041 TB,DP,5 TBDATA,,16000,28,0 MP,MU,6,0.7 R,1 R,2 R,3 R,4 R,5 R,6 ALLSEL VSEL,S,VOLU,,1 VATT,2,2,1 ALLSEL VSEL,S,VOLU,,3 VATT,3,3,1 ALLSEL VSEL,S,VOLU,,2 VATT,4,4,1 ALLSEL VSEL,S,VOLU,,6 VATT,5,5,1 ALLSEL VSEL,S,VOLU,,4 VATT,5,5,1 ALLSEL ESIZE,1 LESIZE,26,,,15,0.3 LESIZE,27,,,15,0.3 LESIZE,20,,,15,0.3 LESIZE,21,,,15,0.3 LESIZE,37,,,15,0.3 LESIZE,38,,,15,0.3 LESIZE,47,,,15,0.3 LESIZE,48,,,15,0.3 LESIZE,55,,,15,3.3 LESIZE,54,,,15,3.3 LESIZE,28,,,15,0.3 LESIZE,17,,,4 LESIZE,19,,,4 LESIZE,36,,,4 LESIZE,46,,,4 LESIZE,16,,,4 LESIZE,23,,,3 LESIZE,24,,,3 LESIZE,18,,,18 LESIZE,15,,,18 LESIZE,34,,,70 LESIZE,35,,,70 LESIZE,44,,,10 LESIZE,45,,,10 LESIZE,52,,,8 LESIZE,53,,,8 VMESH,ALL WPCSYS CYL4,,,0.30,0,,90,-15 ALLSEL VSEL,S,VOLU,,5 VATT,1,1,1 LESIZE,51,,,4 LESIZE,59,,,4 LESIZE,50,,,3 LESIZE,49,,,3 LESIZE,60,,,3 LESIZE,61,,,3 LESIZE,62,,,106 LESIZE,63,,,106 LESIZE,64,,,106 VMESH,5 ALLSEL,ALL ASEL,S,,,30 ASEL,A,,,27 NSLA,S,1 REAL,6 TYPE,2 MAT,6 ESURF,ALL ALLSEL,ALL ASEL,S,,,5 ASEL,A,,,12 ASEL,A,,,17 ASEL,A,,,29 ASEL,A,,,11 NSLA,S,1 REAL,6 TYPE,3 ESURF,ALL ASEL,S,LOC,X,0 ASEL,A,LOC,Y,0 DA,ALL,SYMM ASEL,S,LOC,X,10 DA,ALL,ALL ASEL,S,LOC,Y,10 DA,ALL,ALL ASEL,S,LOC,Z,-25 DA,ALL,ALL ASEL,S,,,28 SFA,ALL,1,PRES,8662 ALLSE,ALL /SOLU ANTYPE,STATIC NLGEOM,ON AUTOTS,ON ACEL,,,9.8 TIME,1 NSUBST,100 在下拜謝了。。。。 |

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