劳请各位大侠帮帮忙，小女子在此先行谢过啦！
浏览：181876 回答：4
大家好，我是用ANSYS做钢筋混凝土路面力学分析的，由于接触ansys不
多，所以用菜单建模。然后提取了不太规范了命令流，请大家帮忙看看
。我计算出来的钢筋的应力太小了，所以我总是觉得哪里有问题，请高
手指点迷津？我采用的是整体式建模。谢谢大家～～～
附命令流：
/COM, Structural
/config,nres,5000
/PREP7
ET,1,SOLID65
ET,2,SOLID45
KEYOPT,1,5,0
KEYOPT,1,6,3
*afun,deg
R,1,1,0.58,0,90,2,0.1,
RMORE,0,0,3,0, , ,
RMORE, ,! 实常数这样定义钢筋角度是否正确？
R,2, , , , ,
MPTEMP,,,,,,,,
MPTEMP,1,0
MPDATA,EX,1,,3e4
MPDATA,PRXY,1,,0.15
TB,CONC,1,1,9,
TBTEMP,0
TBDATA,,0.4,1.0,3,-1,, !混凝土选择的本构模型是否正确？
TBDATA,,,,,,,
MPTEMP,,,,,,,,
MPTEMP,1,0
MPDATA,EX,2,,2e5
MPDATA,PRXY,2,,0.3
TB,BKIN,2,1,2,1
TBTEMP,0
TBDATA,,335,,,,,!钢筋选择的本构模型是否正确？
MPTEMP,,,,,,,,
MPTEMP,1,0
MPDATA,EX,3,,1.5e4
MPDATA,PRXY,3,,0.2
MPTEMP,,,,,,,,
MPTEMP,1,0
MPDATA,EX,4,,120
MPDATA,PRXY,4,,0.35
!定义单元类型，实常数，材料属性
BLC4, , ,5600,300,-6500
BLC4,-500,-200,6600,200,-7000
BLC4,-1000,-5200,7600,5000,-7500
!生成体
VSEL,S, , , 1
VPLOT
TYPE, 1
MAT, 1
REAL, 1
ESYS, 0
SECNUM,
!*
FLST,5,4,4,ORDE,4
FITEM,5,2
FITEM,5,4
FITEM,5,-5
FITEM,5,7
CM,_Y,LINE
LSEL, , , ,P51X
CM,_Y1,LINE
CMSEL,,_Y
LESIZE,_Y1,100, , , , , , ,1
!X方向
FLST,5,4,4,ORDE,2
FITEM,5,9
FITEM,5,-12
CM,_Y,LINE
LSEL, , , ,P51X
CM,_Y1,LINE
CMSEL,,_Y
LESIZE,_Y1,100, , , , , , ,1
!Z方向
FLST,5,4,4,ORDE,4
FITEM,5,1
FITEM,5,3
FITEM,5,6
FITEM,5,8
CM,_Y,LINE
LSEL, , , ,P51X
CM,_Y1,LINE
CMSEL,,_Y
LESIZE,_Y1,50, , , , , , ,1
!竖向
CM,_Y,VOLU
VSEL, , , , 1
CM,_Y1,VOLU
CHKMSH,'VOLU'
CMSEL,S,_Y
MSHAPE,0,3d
MSHKEY,1
VMESH,_Y1
MSHKEY,0
CMDELE,_Y
CMDELE,_Y1
CMDELE,_Y2
!面层
/DEVICE,VECTOR,ON
/ESHAPE,1
!用此两个命令可查看钢筋设置
VSEL,S, , , 2
VPLOT
TYPE, 2
MAT, 3
REAL, 2
ESYS, 0
SECNUM,
FLST,5,4,4,ORDE,4
FITEM,5,14
FITEM,5,16
FITEM,5,-17
FITEM,5,19
CM,_Y,LINE
LSEL, , , ,P51X
CM,_Y1,LINE
CMSEL,,_Y
LESIZE,_Y1,100, , , , , , ,1
!X方向
FLST,5,4,4,ORDE,2
FITEM,5,21
FITEM,5,-24
CM,_Y,LINE
LSEL, , , ,P51X
CM,_Y1,LINE
CMSEL,,_Y
LESIZE,_Y1,100, , , , , , ,1
!Z方向
FLST,5,4,4,ORDE,4
FITEM,5,13
FITEM,5,15
FITEM,5,18
FITEM,5,20
CM,_Y,LINE
LSEL, , , ,P51X
CM,_Y1,LINE
CMSEL,,_Y
LESIZE,_Y1,50, , , , , , ,1
!竖向
CM,_Y,VOLU
VSEL, , , , 2
CM,_Y1,VOLU
CHKMSH,'VOLU'
CMSEL,S,_Y
MSHAPE,0,3d
MSHKEY,1
VMESH,_Y1
MSHKEY,0
!*
CMDELE,_Y
CMDELE,_Y1
CMDELE,_Y2
!基层
VSEL,S, , , 3
VPLOT
TYPE, 2
MAT, 4
REAL, 2
ESYS, 0
SECNUM,
FLST,5,4,4,ORDE,4
FITEM,5,26
FITEM,5,28
FITEM,5,-29
FITEM,5,31
CM,_Y,LINE
LSEL, , , ,P51X
CM,_Y1,LINE
CMSEL,,_Y
LESIZE,_Y1,100, , , , , , ,1
!X方向
FLST,5,4,4,ORDE,2
FITEM,5,33
FITEM,5,-36
CM,_Y,LINE
LSEL, , , ,P51X
CM,_Y1,LINE
CMSEL,,_Y
LESIZE,_Y1,100, , , , , , ,1
!Z方向
FLST,5,4,4,ORDE,4
FITEM,5,25
FITEM,5,27
FITEM,5,30
FITEM,5,32
CM,_Y,LINE
LSEL, , , ,P51X
CM,_Y1,LINE
CMSEL,,_Y
LESIZE,_Y1,500, , , , , , ,1
!Y方向
CM,_Y,VOLU
VSEL, , , , 3
CM,_Y1,VOLU
CHKMSH,'VOLU'
CMSEL,S,_Y
MSHAPE,0,3d
MSHKEY,1
VMESH,_Y1
MSHKEY,0
CMDELE,_Y
CMDELE,_Y1
CMDELE,_Y2
!土基
!赋予属性，尺寸控制划分网格
ALLSEL,ALL
VPLOT
NSEL,S,LOC,Y,0
CPINTF,UY,0.0001,
NSEL,S,LOC,Y,-200
CPINTF,UY,0.0001,
!层间光滑
NSEL,S,LOC,Y,300
/REPLOT
NSEL,S,LOC,Y,300
NPLOT
NSEL,R,LOC,Z,-100,0
/REPLOT
NSEL,R,LOC,X,5400,5600
/REPLOT
NSEL,R,LOC,X,5400,5600
SF,all,PRES,0.625
NSEL,S,LOC,Y,300
/REPLOT
NSEL,R,LOC,Z,-100,0
/REPLOT
NSEL,R,LOC,X,5100,5300
/REPLOT
SF,all,PRES,0.625
NSEL,S,LOC,Y,300
/REPLOT
NSEL,R,LOC,Z,-100,0
/REPLOT
NSEL,R,LOC,X,3600,3800
/REPLOT
SF,all,PRES,0.625
NSEL,S,LOC,Y,300
/REPLOT
NSEL,R,LOC,Z,-100,0
/REPLOT
NSEL,R,LOC,X,3300,3500
/REPLOT
SF,all,PRES,0.625
ALLSEL,ALL
VPLOT
!施加车辆荷载
NSEL,S,LOC,Y,-5200
/REPLOT
NSEL,S,LOC,Y,-5200
NPLOT
D,all, , , , , ,ALL, , , , ,
!底面完全约束
ASEL,S,LOC,Z,0
ASEL,S,LOC,Z,0
NSLA,S,1
NSLA,S,1
NPLOT
DSYM,SYMM,Z, ,
!施加对称面的节点约束
ALLSEL,ALL
VPLOT
ASEL,S,LOC,X,6600
NSLA,S,1
NSLA,S,1
NPLOT
D,all, , , , , ,UX, , , , ,
ASEL,S,LOC,X,-1000
NSLA,S,1
/REPLOT
NSLA,S,1
D,all, , , , , ,UX, , , , ,
ASEL,S,LOC,Z,-7500
NSLA,S,1
/REPLOT
NSLA,S,1
D,all, , , , , ,UZ, , , , ,
ASEL,S,LOC,X,6100
NSLA,S,1
NSLA,S,1
NPLOT
D,all, , , , , ,UX, , , , ,
ASEL,S,LOC,X,5600
NSLA,S,1
NSLA,S,1
NPLOT
D,all, , , , , ,UX, , , , ,
ASEL,S,LOC,X,-500
NSLA,S,1
/REPLOT
NSLA,S,1
D,all, , , , , ,UX, , , , ,
ASEL,S,LOC,X,0
NSLA,S,1
/REPLOT
NSLA,S,1
D,all, , , , , ,UX, , , , ,
ASEL,S,LOC,Z,-7000
NSLA,S,1
/REPLOT
NSLA,S,1
D,all, , , , , ,UZ, , , , ,
ASEL,S,LOC,Z,-6500
NSLA,S,1
/REPLOT
NSLA,S,1
D,all, , , , , ,UZ, , , , ,
ALLSEL,ALL
VPLOT
!施加法向约束
/SOLU
ANTYPE,0
NSUBST,100
NLGEOM,1
OUTRES,ALL,ALL
AUTOS,ON
NEQIT,5O
CNVTOL,U,,0.015 求解器设置方面的问题，我这个收敛的非常慢？
NLGEOM,1
NROPT,FULL, ,
LUMPM,0
EQSLV, , ,0,
PRECISION,0
MSAVE,0
PIVCHECK,1
SSTIF
PSTRES
TOFFST,0,
!打开大变形和牛顿拉普森
/SOL
/STATUS,SOLU
SOLVE
!求解
最大的问题：钢筋所得的应力很小，所以我觉得应该是前面哪里有问题？
多，所以用菜单建模。然后提取了不太规范了命令流，请大家帮忙看看
。我计算出来的钢筋的应力太小了，所以我总是觉得哪里有问题，请高
手指点迷津？我采用的是整体式建模。谢谢大家～～～
附命令流：
/COM, Structural
/config,nres,5000
/PREP7
ET,1,SOLID65
ET,2,SOLID45
KEYOPT,1,5,0
KEYOPT,1,6,3
*afun,deg
R,1,1,0.58,0,90,2,0.1,
RMORE,0,0,3,0, , ,
RMORE, ,! 实常数这样定义钢筋角度是否正确？
R,2, , , , ,
MPTEMP,,,,,,,,
MPTEMP,1,0
MPDATA,EX,1,,3e4
MPDATA,PRXY,1,,0.15
TB,CONC,1,1,9,
TBTEMP,0
TBDATA,,0.4,1.0,3,-1,, !混凝土选择的本构模型是否正确？
TBDATA,,,,,,,
MPTEMP,,,,,,,,
MPTEMP,1,0
MPDATA,EX,2,,2e5
MPDATA,PRXY,2,,0.3
TB,BKIN,2,1,2,1
TBTEMP,0
TBDATA,,335,,,,,!钢筋选择的本构模型是否正确？
MPTEMP,,,,,,,,
MPTEMP,1,0
MPDATA,EX,3,,1.5e4
MPDATA,PRXY,3,,0.2
MPTEMP,,,,,,,,
MPTEMP,1,0
MPDATA,EX,4,,120
MPDATA,PRXY,4,,0.35
!定义单元类型，实常数，材料属性
BLC4, , ,5600,300,-6500
BLC4,-500,-200,6600,200,-7000
BLC4,-1000,-5200,7600,5000,-7500
!生成体
VSEL,S, , , 1
VPLOT
TYPE, 1
MAT, 1
REAL, 1
ESYS, 0
SECNUM,
!*
FLST,5,4,4,ORDE,4
FITEM,5,2
FITEM,5,4
FITEM,5,-5
FITEM,5,7
CM,_Y,LINE
LSEL, , , ,P51X
CM,_Y1,LINE
CMSEL,,_Y
LESIZE,_Y1,100, , , , , , ,1
!X方向
FLST,5,4,4,ORDE,2
FITEM,5,9
FITEM,5,-12
CM,_Y,LINE
LSEL, , , ,P51X
CM,_Y1,LINE
CMSEL,,_Y
LESIZE,_Y1,100, , , , , , ,1
!Z方向
FLST,5,4,4,ORDE,4
FITEM,5,1
FITEM,5,3
FITEM,5,6
FITEM,5,8
CM,_Y,LINE
LSEL, , , ,P51X
CM,_Y1,LINE
CMSEL,,_Y
LESIZE,_Y1,50, , , , , , ,1
!竖向
CM,_Y,VOLU
VSEL, , , , 1
CM,_Y1,VOLU
CHKMSH,'VOLU'
CMSEL,S,_Y
MSHAPE,0,3d
MSHKEY,1
VMESH,_Y1
MSHKEY,0
CMDELE,_Y
CMDELE,_Y1
CMDELE,_Y2
!面层
/DEVICE,VECTOR,ON
/ESHAPE,1
!用此两个命令可查看钢筋设置
VSEL,S, , , 2
VPLOT
TYPE, 2
MAT, 3
REAL, 2
ESYS, 0
SECNUM,
FLST,5,4,4,ORDE,4
FITEM,5,14
FITEM,5,16
FITEM,5,-17
FITEM,5,19
CM,_Y,LINE
LSEL, , , ,P51X
CM,_Y1,LINE
CMSEL,,_Y
LESIZE,_Y1,100, , , , , , ,1
!X方向
FLST,5,4,4,ORDE,2
FITEM,5,21
FITEM,5,-24
CM,_Y,LINE
LSEL, , , ,P51X
CM,_Y1,LINE
CMSEL,,_Y
LESIZE,_Y1,100, , , , , , ,1
!Z方向
FLST,5,4,4,ORDE,4
FITEM,5,13
FITEM,5,15
FITEM,5,18
FITEM,5,20
CM,_Y,LINE
LSEL, , , ,P51X
CM,_Y1,LINE
CMSEL,,_Y
LESIZE,_Y1,50, , , , , , ,1
!竖向
CM,_Y,VOLU
VSEL, , , , 2
CM,_Y1,VOLU
CHKMSH,'VOLU'
CMSEL,S,_Y
MSHAPE,0,3d
MSHKEY,1
VMESH,_Y1
MSHKEY,0
!*
CMDELE,_Y
CMDELE,_Y1
CMDELE,_Y2
!基层
VSEL,S, , , 3
VPLOT
TYPE, 2
MAT, 4
REAL, 2
ESYS, 0
SECNUM,
FLST,5,4,4,ORDE,4
FITEM,5,26
FITEM,5,28
FITEM,5,-29
FITEM,5,31
CM,_Y,LINE
LSEL, , , ,P51X
CM,_Y1,LINE
CMSEL,,_Y
LESIZE,_Y1,100, , , , , , ,1
!X方向
FLST,5,4,4,ORDE,2
FITEM,5,33
FITEM,5,-36
CM,_Y,LINE
LSEL, , , ,P51X
CM,_Y1,LINE
CMSEL,,_Y
LESIZE,_Y1,100, , , , , , ,1
!Z方向
FLST,5,4,4,ORDE,4
FITEM,5,25
FITEM,5,27
FITEM,5,30
FITEM,5,32
CM,_Y,LINE
LSEL, , , ,P51X
CM,_Y1,LINE
CMSEL,,_Y
LESIZE,_Y1,500, , , , , , ,1
!Y方向
CM,_Y,VOLU
VSEL, , , , 3
CM,_Y1,VOLU
CHKMSH,'VOLU'
CMSEL,S,_Y
MSHAPE,0,3d
MSHKEY,1
VMESH,_Y1
MSHKEY,0
CMDELE,_Y
CMDELE,_Y1
CMDELE,_Y2
!土基
!赋予属性，尺寸控制划分网格
ALLSEL,ALL
VPLOT
NSEL,S,LOC,Y,0
CPINTF,UY,0.0001,
NSEL,S,LOC,Y,-200
CPINTF,UY,0.0001,
!层间光滑
NSEL,S,LOC,Y,300
/REPLOT
NSEL,S,LOC,Y,300
NPLOT
NSEL,R,LOC,Z,-100,0
/REPLOT
NSEL,R,LOC,X,5400,5600
/REPLOT
NSEL,R,LOC,X,5400,5600
SF,all,PRES,0.625
NSEL,S,LOC,Y,300
/REPLOT
NSEL,R,LOC,Z,-100,0
/REPLOT
NSEL,R,LOC,X,5100,5300
/REPLOT
SF,all,PRES,0.625
NSEL,S,LOC,Y,300
/REPLOT
NSEL,R,LOC,Z,-100,0
/REPLOT
NSEL,R,LOC,X,3600,3800
/REPLOT
SF,all,PRES,0.625
NSEL,S,LOC,Y,300
/REPLOT
NSEL,R,LOC,Z,-100,0
/REPLOT
NSEL,R,LOC,X,3300,3500
/REPLOT
SF,all,PRES,0.625
ALLSEL,ALL
VPLOT
!施加车辆荷载
NSEL,S,LOC,Y,-5200
/REPLOT
NSEL,S,LOC,Y,-5200
NPLOT
D,all, , , , , ,ALL, , , , ,
!底面完全约束
ASEL,S,LOC,Z,0
ASEL,S,LOC,Z,0
NSLA,S,1
NSLA,S,1
NPLOT
DSYM,SYMM,Z, ,
!施加对称面的节点约束
ALLSEL,ALL
VPLOT
ASEL,S,LOC,X,6600
NSLA,S,1
NSLA,S,1
NPLOT
D,all, , , , , ,UX, , , , ,
ASEL,S,LOC,X,-1000
NSLA,S,1
/REPLOT
NSLA,S,1
D,all, , , , , ,UX, , , , ,
ASEL,S,LOC,Z,-7500
NSLA,S,1
/REPLOT
NSLA,S,1
D,all, , , , , ,UZ, , , , ,
ASEL,S,LOC,X,6100
NSLA,S,1
NSLA,S,1
NPLOT
D,all, , , , , ,UX, , , , ,
ASEL,S,LOC,X,5600
NSLA,S,1
NSLA,S,1
NPLOT
D,all, , , , , ,UX, , , , ,
ASEL,S,LOC,X,-500
NSLA,S,1
/REPLOT
NSLA,S,1
D,all, , , , , ,UX, , , , ,
ASEL,S,LOC,X,0
NSLA,S,1
/REPLOT
NSLA,S,1
D,all, , , , , ,UX, , , , ,
ASEL,S,LOC,Z,-7000
NSLA,S,1
/REPLOT
NSLA,S,1
D,all, , , , , ,UZ, , , , ,
ASEL,S,LOC,Z,-6500
NSLA,S,1
/REPLOT
NSLA,S,1
D,all, , , , , ,UZ, , , , ,
ALLSEL,ALL
VPLOT
!施加法向约束
/SOLU
ANTYPE,0
NSUBST,100
NLGEOM,1
OUTRES,ALL,ALL
AUTOS,ON
NEQIT,5O
CNVTOL,U,,0.015 求解器设置方面的问题，我这个收敛的非常慢？
NLGEOM,1
NROPT,FULL, ,
LUMPM,0
EQSLV, , ,0,
PRECISION,0
MSAVE,0
PIVCHECK,1
SSTIF
PSTRES
TOFFST,0,
!打开大变形和牛顿拉普森
/SOL
/STATUS,SOLU
SOLVE
!求解
最大的问题：钢筋所得的应力很小，所以我觉得应该是前面哪里有问题？
zhhua 
