问题描述:
8*8方柱初始温度是20度放在200度的液体中,计算600秒(10个步长)的温度变化,参数如命令流里的设置.
问题:1,应该是开始上升快,后缓慢,最后达到液体温度200
计算却是,先缓慢后快,不知道什么原因?
2,瞬态温度场引起的瞬态应力场是不是在ANSYS里不能实现,怎样实现?
结合本道题目大家看看,我做了好几天都没有做出来,惭愧的说!
/BATCH
*SET,t,20
*SET,kxx,61500/3600
*SET,c,460
*SET,dens,7800
*SET,alpx,1.1e-6
*SET,ex,2.0594e11
*SET,prxy,0.3
*SET,hf,615460/3600
/NOPR
/PMETH,OFF,0
KEYW,PR_SET,1
KEYW,PR_STRUC,1
KEYW,PR_THERM,1
KEYW,PR_FLUID,0
KEYW,PR_ELMAG,0
KEYW,MAGNOD,0
KEYW,MAGEDG,0
KEYW,MAGHFE,0
KEYW,MAGELC,0
KEYW,PR_MULTI,1
KEYW,PR_CFD,0
/GO
/PREP7
ET,1,PLANE55
MPTEMP,,,,,,,,
MPTEMP,1,0
MPDATA,EX,1,,ex
MPDATA,PRXY,1,,prxy
MPTEMP,,,,,,,,
MPTEMP,1,0
MPDATA,DENS,1,,dens
MPTEMP,,,,,,,,
MPTEMP,1,0
UIMP,1,REFT,,,
MPDATA,ALPX,1,,alpx
MPTEMP,,,,,,,,
MPTEMP,1,0
MPDATA,KXX,1,,kxx
MPTEMP,,,,,,,,
MPTEMP,1,0
MPDATA,C,1,,c
RECTNG,0,0.08,0,0.08,
FLST,5,4,4,ORDE,2
FITEM,5,1
FITEM,5,-4
CM,_Y,LINE
LSEL, , , ,P51X
CM,_Y1,LINE
CMSEL,,_Y
LESIZE,_Y1,0.01, , , , , , ,1
MSHAPE,0,2D
MSHKEY,1
CM,_Y,AREA
ASEL, , , , 1
CM,_Y1,AREA
CHKMSH,'AREA'
CMSEL,S,_Y
AMESH,_Y1
CMDELE,_Y
CMDELE,_Y1
CMDELE,_Y2
FINISH
/SOL
ANTYPE,4
TRNOPT,FULL
LUMPM,0
TUNIF,20,
TREF,20,
FLST,2,4,4,ORDE,2
FITEM,2,1
FITEM,2,-4
/GO
SFL,P51X,CONV,hf,hf,200,200
OUTRES,ALL,ALL,
TIME,600
AUTOTS,0
DELTIM,60,60,60,1
KBC,0
TSRES,ERASE |