为什么我在做接触分析定义接触对的时候总是有以下提示:No surface elements were generated because no exterior face of the selected element set has all of its nodes selected . 清高手指教。
附命令流入下:
*SET,R_1,400
*SET,R_2,404
*SET,B_H,400
*SET,B_S,1500
*SET,P_F,0
*SET,L_T,18
*SET,L_H,20
*SET,L_S,SQRT(2*R_2*(2*(R_2-R_1)))
*SET,L_N,NINT(B_H/L_S)-1
*SET,E_L,0.5*(B_H-L_H-(L_N-1)*L_S)
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
/TITLE,'LOOP%L_N%'
/PREP7
ET,1,SOLID45
ET,2,TARGE170
ET,3,CONTA174
KEYOPT,3,2,0
KEYOPT,3,10,1
MPTEMP,,,,,,,,
MPTEMP,1,0
MPDATA,EX,1,,2e11
MPDATA,PRXY,1,,0.3
MPTEMP,,,,,,,,
MPTEMP,1,0
MPDATA,DENS,1,,7.85e-6
*DO,I,1,L_N
R,I,R_2,,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
*ENDDO
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
CSYS,0
CYL4,,,R_1,,R_2,30,B_H
CSYS,4
/PNUM,VOLU,1
/VIEW,1,1
/REPLOT
WPOFFS,,,E_L-(L_S-L_H)/2
VSBW,1
*IF,MOD(L_N,2),EQ,0,THEN
*DO,I,1,L_N/2,1
WPOFFS,,,L_S
VSBW,3
WPOFFS,,,L_S
VSBW,1
*ENDDO
*ENDIF
*IF,MOD(L_N,2),EQ,1,THEN
*DO,I,1,NINT(L_N/2),1
WPOFFS,,,L_S
VSBW,3
WPOFFS,,,L_S
VSBW,1
*ENDDO
WPOFFS,,,L_S
VSBW,3
*ENDIF
NUMCMP,ALL
CSYS,0
WPAVE,0,0,0
CSYS,4
WPOFFS,,,E_L
CYL4,,,R_2,,R_2+L_T,30,L_H
*DO,I,2,L_N,1
WPOFFS,,,L_S
CYL4,,,R_2,,R_2+L_T,30,L_H
*ENDDO
/VIEW,1,1,1,1
/ANG,1
/REP,FAST
TYPE,1
MAT,1
LESIZE,1, , ,3, , , , ,1
ESIZE,4
MSHAPE,0,3d
MSHKEY,1
VMESH,1,L_N+2,1
ALLSEL
TYPE,1
MAT,1
VSEL,S,,,L_N+3,2*L_N+2,1
CM,N_LOOP,VOLU
ESIZE,4,
MSHAPE,0,3d
MSHKEY,1
VMESH,N_LOOP
ALLSEL
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!以下是定义接触对的部分,问题就出在这里。
CSYS,1
*DO,I,L_N+3,2*L_N+2,1
REAL,I-L_N-2
VSEL,ALL
VSEL,S,,,I,
ASEL,R,LOC,X,R_2
TYPE,2
NSLA,S,1
ESLN,S,0
ESURF,,
ALLSEL,ALL,ELEM
ASEL,S,,,17+5*(I-L_N-2)
TYPE,3
NSLA,S,1
ESLN,S,0
ESURF,,
*ENDDO
[ 本帖最后由 jinqinghai 于 2007-8-6 11:15 编辑 ] |