帮助中有一个Steady-State FLOTRAN Analysis的例子,关于自然对流的。我试着改成Transient FLOTRAN Analysis,
求解后,在plotctrl中animation选项总是有问题,只能看到last result一个图像,无法看到温度随时间的变化过程,请教高人能animation该如何设置?如果能设置,ansys最小时间尺度是多少?
命令流文件如下:
/PREP7
ET,1,FLUID141 ! Set 2-D fluid element type
RECTNG,,0.03,,0.03 ! Create square area
LPLOT
LESIZE,ALL, , ,25,1,0 ! Define line divisions and mesh area
AMESH,1
EPLOT
NSEL,S,EXT ! Apply velocity b.c. on exterior nodes
D,ALL,,,,,,VX,VY
NSEL,S,NODE,,1 ! Apply thermal b.c. on left edge
NSEL,A,NODE,,52
NSEL,A,NODE,,77,100
D,ALL,TEMP,320
NSEL,S,NODE,,2 ! Apply thermal b.c. on right edge
NSEL,A,NODE,,27,51
D,ALL,TEMP,280
NSEL,ALL
ESEL,ALL
FINISH
/SOL
FLDATA1,SOLU,TRAN,1 ! 此处改为瞬态分析
FLDATA1,SOLU,FLOW,1
FLDATA1,SOLU,TEMP,1
FLDATA1,SOLU,TURB,0
FLDATA1,SOLU,COMP,0
FLDATA1,SOLU,VOF,0
FLDATA1,SOLU,SFTS,0
FLDATA1,SOLU,IVSH,0
FLDATA1,SOLU,SWRL,0
FLDATA1,SOLU,SPEC,0
FLDATA1,SOLU,ALE,0
FLDATA1,SOLU,RDSF,1
!*
/COM,,Transient Analysis,1
*SET,_z4,-1
*SET,_z14,0
!*
FLDATA4,TIME,STEP,-1
FLDATA4,TIME,ISTEP,0,
FLDATA4,TIME,NUMB,10,
FLDATA4,TIME,TEND,10,
FLDATA4,TIME,GLOB,20,
FLDATA4,TIME,VX,0.01,
FLDATA4,TIME,VY,0.01,
FLDATA4,TIME,VZ,0.01,
FLDATA4,TIME,PRES,1e-006,
FLDATA4,TIME,TEMP,1e-006,
FLDATA4,TIME,ENKE,0.01,
FLDATA4,TIME,ENDS,0.01,
FLDATA4A,STEP,OVER,0,
FLDATA4,TIME,OVER,0,
FLDATA4A,STEP,APPE,0,
FLDATA4,TIME,APPE,1000000,
FLDATA4A,STEP,SUMF,10,
FLDATA4,TIME,SUMF,1000000,
FLDATA4,TIME,BC,0
!*
FLDATA12,PROP,DENS,4
FLDATA13,VARY,DENS,1 !气体密度可变
FLDATA12,PROP,VISC,4
FLDATA13,VARY,VISC,0
FLDATA12,PROP,COND,4
FLDATA13,VARY,COND,0
FLDATA12,PROP,SPHT,4
FLDATA13,VARY,SPHT,0
!*
FLDATA7,PROT,DENS,AIR-SI
FLDATA8,NOMI,DENS,-1
FLDATA9,COF1,DENS,0
FLDATA10,COF2,DENS,0
FLDATA11,COF3,DENS,0
FLDATA7,PROT,VISC,AIR-SI
FLDATA8,NOMI,VISC,-1
FLDATA9,COF1,VISC,0
FLDATA10,COF2,VISC,0
FLDATA11,COF3,VISC,0
FLDATA12,PROP,IVIS
FLDATA7,PROT,COND,AIR-SI
FLDATA8,NOMI,COND,-1
FLDATA9,COF1,COND,0
FLDATA10,COF2,COND,0
FLDATA11,COF3,COND,0
FLDATA7,PROT,SPHT,AIR-SI
FLDATA8,NOMI,SPHT,-1
FLDATA9,COF1,SPHT,0
FLDATA10,COF2,SPHT,0
FLDATA11,COF3,SPHT,0
!*
ACEL,0,9.81,0,
SOLVE
FINISH
求解器采用的是默认的设置,不知道cfd solver中几个求解器有什么区分? |