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liangyuxin新虫 (初入文坛)
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[求助]
网格划分问题，求高手指点
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亲们，求助啊！！！！ 我算的是桩土非线性接触问题，取1/4模型进行静力计算。用SOILD45退化的四面体单元就可以计算，但是精度不行，用solid187却无法计算，就是输入SOLVE之后没有反应也没有warning。solid92也能计算，但是不收收敛。求为什么SOLID187无法计算，且没有任何警告提醒。求高手指点迷津。 求原因，求指点。现附上命令流如下。 /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 在下拜谢了！！！！！ |
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