瞬态热传导实例（书上的）

alexqxp

一个半径为10mm，长度为500mm，温度为90度的铁圆柱体突然放入盛满了水的，完全绝热的边长为100mm的水箱中，水温度为20度。求解0.5小时之后圆柱体与水的温度场分布。（忽略水的流动，圆柱体在水箱正中央）。注意：计算完了以后可以/post1 plnsol,temp来查看结果

/FILENAME,EXERCISE3
/TITLE,TRANSIENT THERMAL ANALYSIS
/PREP7
RECTNG,0,0.05,0,0.05
PCIRC,0.010,0,0,90
AOVERLAP,ALL
NUMCMP,AREA
NUMCMP,LINE
ET,1,PLANE77
MP,KXX,1,70
MP,DENS,1,7800
MP,C,1,448
MP,KXX,2,0.6
MP,DENS,2,1000
MP,C,2,4185
LSEL,S,LINE,,3,5
LESIZE,ALL,,,6
LSEL,S,LINE,,1,2
LSEL,A,LINE,,6,7
LESIZE,ALL,,,10
MAT,1
AMESH,1
MAT,2
AMESH,2

/SOLU
ANTYPE,TRANS
TIMINT,OFF
TIME,0.01
DELTIM,0.01
ESEL,S,MAT,,1
NSEL,S,MAT,,1
NSLE,S
D,ALL,TEMP,90
ESEL,S,MAT,,2
NSLE,S
D,ALL,TEMP,20
NSLE,S
D,ALL,TEMP,20
ALLSEL
SOLVE
TIME,1800
DELTIM,26,2,2000
AUTOTS,ON
TIMINT,ON
DDELE,ALL,TEMP
OUTRES,,ALL
SOLVE
FINISH
SAVE

/POST1
SET,LAST
ESEL,S,MAT,,1
NSLE,S
PLNSOL,TMEP
ALLSEL
ESEL,S,MAT,,2
NSEL,S
PLNSOL,TMEP
ALLSEL
PLNSOL,TMEP
FINISH

/POST26
NSOL,2,1,TEMP
PLVAR,2

FINISH

wxlwh1006421

thank you very much!!!!

cookyzhao

最好能给个不忽略水的流动的算例，那就完美无缺了。

mbrslydddd

老大来捧场，小弟感激不尽:D

xiapeiyun

领教了，学习中，还在入门阶段，多多学习，呵呵