非常感谢你的回复
我按照你的做法做了一下,显示出来了
看来你是FSI方面的大牛了,希望你帮我看看下面这个问题
我用一个圆辊压一个管子,管子里有水流动。管子被压扁而变形,水流也会被影响。想计算出水的流场,以及管子的应力应变情况。命令流如下,在计算过程中,出现了“restart time 1 for FSI analysis is not in rfl result file”
FSI的计算顺序先计算的FLUID,怎么会出现这种情况,如何解决?(计算时间很短)
/PREP7
ET,1,PLANE42
ET,2,FLUID141
KEYOPT,2,4,1
MP,EX,1,0.7e11
MP,PRXY,1,0.29
TB,BKIN,1,1,2,1
TBDATA,,3.7e7,4.8e8,,,,
MP,EX,2,2e11
MP,PRXY,2,0.33
K, ,0,0,0,
K, ,0.08,0,0,
K, ,0.08,0.01,0,
K, ,0,0.02,0,
K, ,0.08,0.03,0,
K, ,0,0.03,0,
A,1,2,3,4
A,4,3,5,6
CYL4,0.04,0.1,0.07
LESIZE,2, , ,5, , , , ,1
LESIZE,5, , ,5, , , , ,1
LESIZE,4, , ,5, , , , ,1
LESIZE,7, , ,5, , , , ,1
LESIZE,1, , ,25, , , , ,1
LESIZE,3, , ,25, , , , ,1
LESIZE,6, , ,25, , , , ,1
LESIZE,8, , ,10, , , , ,1
LESIZE,9, , ,10, , , , ,1
LESIZE,10, , ,10, , , , ,1
LESIZE,11, , ,10, , , , ,1
TYPE, 2
ASEL, , , , 1
AMESH,all
ALLSEL,BELOW,AREA
LSEL,R, , , 3
NSLL,R,1
SF,ALL,FSIN,1
ALLSEL,BELOW,AREA
LSEL,r, , , 2
NSLL,S,1
!D,ALL,UX,0
!D, ALL, UY,0
D,all,PRES,0
ALLSEL,BELOW,AREA
LSEL,s, , , 1
NSLL,S,1
D, ALL, UY,0
D,all,VY,0
ALLSEL,BELOW,AREA
LSEL,S, , , 4
NSLL,S,1
!D,ALL,UX,0
D,all,VX,1.5
ALLSEL
TYPE, 1
MAT, 1
ASEL,S, , , 2
AMESH,all
ALLSEL,BELOW,AREA
LSEL,R, , , 3
NSLL,R,1
SF,all,FSIN,1,
!creat the contact pair
TYPE, 1
MAT, 2
REAL,
ESYS, 0
SECNUM,
ASEL, , , , 3
AMESH,all
/COM, CONTACT PAIR CREATION - START
MP,MU,1,0.3
MAT,1
MP,EMIS,1,
R,3
REAL,3
ET,3,169
ET,4,172
R,3,,,0.1,0.1,0,
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
KEYOPT,4,10,1
KEYOPT,4,1,1
! Generate the target surface
LSEL,S,,,10
LSEL,A,,,11
TYPE,3
LMESH,ALL
! Generate the contact surface
LSEL,S,,,6
TYPE,4
NSLL,S,1
ESLN,S,0
ESURF,ALL
ALLSEL
/COM, CONTACT PAIR CREATION - END
ALLSEL,ALL
ASEL,S, , , 3
NSLA,S,1
D,all, ,-0.005, , , ,UY, , , , ,
D,all, ,0, , , ,UX, , , , ,
FLDATA1,SOLU,TRAN,1
FLDATA1,SOLU,FLOW,1
FLDATA1,SOLU,TEMP,0
FLDATA1,SOLU,ALE,1
FLDATA4,TIME,GLOB,10,
! Fluid Material properties
FLDATA7,PROT,DENS,CONSTANT
FLDATA8,NOMI,DENS,7800,
FLDATA7,PROT,VISC,CONSTANT
FLDATA8,NOMI,VISC,0.0055,
FLDATA7,PROT,COND,CONSTANT
FLDATA8,NOMI,COND,-1,
FLDATA7,PROT,SPHT,CONSTANT
FLDATA8,NOMI,SPHT,-1,
/SOL
ANTYPE,0
NLGEOM,1
!OUTRES,ALL,1
!FSAN,1
!FSOR,fluid
!FSTR,FLUID,TRAN
!FSTR,SOLID,TRAN
!FSRE,ALL,1.0
!FSCO,ALL,1e-2,
!FSOU,0.1
!FSIT,10,
!FSTI,1
!FSDT,0.0125,
!DELTIM,0.0125
!FLDATA4, TIME, STEP, 0.0125
FSAN,ON !FSI analysis on
FSCO,ALL,1.0e-2 !Convergence for all FSI interface quantities
FSRE,ALL,1.0 !Relaxation for all FSI interface quantities
FSOU,1 !Output frequency for results file
DELTIM,0.0125 ! Time increment for SOLID analysis
FLDA, TIME, STEP, 0.0125 !Time increment for FLUID analysis
FSIT, 10 ! Number of stagger iterations per time step
FSTI, 1.0 ! End time for FSI analysis
FSDT,0.0125 ! Time increment for FSI analysis
FSOR,FLUID ! Order for FSI analysis (fluid first)
FSTR,SOLID, ! Transient analysis for SOLID analysis
FSTR,FLUID, ! Transient analysis for FLUID analysis
ALLSEL,ALL
SAVE
SOLVE
SAVE
FINISH
/SOLU
FSRS,TIME,1.0 ! Restart time for FSI analysis
FSTI,1.25 ! End time for FSI analysis
FSDT,0.0125 ! Time increment for FSI analysis
SOLVE
海之洋 wrote:
是从POST1下的Data&File Opts中读入你计算的结果文件*.rfl,最好只选择流体域单元。 |