流体分析出错

transient

流体分析，代码如下：
finish
/CLEAR
/BATCH
l1=0.12
l2=0.064
L3=0.028
w1=0.01
w2=0.007
W3=0.0015
/PREP7
!DEFINE THE DISPLACEMENT
*DIM,DIS,TABLE,4,1,1
*SET,DIS(0,0,1),0
*SET,DIS(0,1,1),0
*SET,DIS(1,0,1),1E-6
*SET,DIS(1,1,1),1E-9
*SET,DIS(2,0,1),1
*SET,DIS(2,1,1),0.001
*SET,DIS(3,0,1),10
*SET,DIS(3,1,1),0.010
*SET,DIS(4,0,1),20
*SET,DIS(4,1,1),0.020

RECTNG,0,L1,0,W1
RECTNG,L3,L2+L3,W3,W2+W3
AOVLAP,ALL
ET,1,141
KEYOPT,1,4,1
TYPE,1
MAT,1
ASEL,S,,,3
ESIZE,.0005
mshape,1,2d
mshkey,0
amesh,all

nsel,s,loc,x,0
D,ALL,VX,0.0
D,ALL,VY,0.0
D,ALL,UX,0.0
D,ALL,UY,0.0
nsel,s,loc,x,l1
D,ALL,VX,0.0
D,ALL,VY,0.0
D,ALL,UX,0.0
D,ALL,UY,0.0
nsel,s,loc,y,0
D,ALL,VY,0.0
D,ALL,UX,0.0
D,ALL,UY,0.0
nsel,s,loc,y,w1
D,ALL,VY,0.0
D,ALL,UX,0.0
D,ALL,UY,0.0
lsel,s,,,1
lsel,a,,,2
lsel,a,,,3
lsel,a,,,4
nsll,s,1
D,ALL,UX,%DIS%
D,ALL,UY,0.0
D,ALL,VX,1.0
D,ALL,VY,0.0
allsel
/solu
FLDATA30,QUAD,MOMD,2,   
FLDATA30,QUAD,MOMS,2,   
FLDATA30,QUAD,PRSD,2,   
FLDATA30,QUAD,PRES,2,   
FLDATA30,QUAD,THRD,0,   
FLDATA30,QUAD,THRS,0,   
FLDATA30,QUAD,TRBD,0,   
FLDATA30,QUAD,TRBS,2,   
/solu
FLDATA4,TIME,NUMB,20
FLDATA4,TIME,TEND,10
FLDA,SOLU,ALE,T                ! ALE solution
FLDATA1,SOLU,FLOW,1
FLDATA1,SOLU,TRAN,1
!FLDATA1,SOLU,TURB,1
FLDATA4,TIME,GLOB,5
FLDATA7,PROT,DENS,CONSTANT
FLDATA8,NOMI,DENS,1.0
FLDATA7,PROT,VISC,CONSTANT
FLDATA8,NOMI,VISC,1.0
!FLDA,BULK,BETA,1.0e5
FLDA4,TIME,STEP,0.5
FLDATA,OUTP,TAUW,T
FLDATA,TIME,METH,NEWM
FLDATA,TIME,DELT,0.5
!
!! Set ANSYS-STRUCTURE commands
SAVE
/COM
/COM  Re-meshing Commands
/COM
FLDATA,REMESH,ELEM,ALL        ! all defined element re-meshing
FLDATA,REMESH,ARMA,10.0       ! maximum aspect ratio
FLDATA,REMESH,VOCH,3    ! maximum volume change
FLDATA,REMESH,ARCH,3       ! maximum aspect ratio change
SOLVE
save
FINISH

运行后出现“Loads and constraints applied on the nodes must be removed before refining”的错误，前辈们能指点一二吗？多谢！！！！