zelune 发表于 2014-9-9 11:11:34

急!救急!请教一个热力耦合时间步设置问题

以下是APDL部分命令(全部命令略长就不再全部发完):
前处理略
/SOL
ANTYPE,TRANS
TRNOPT,FULL
LUMPM,0
DELTIM,0.01,0.01,0.1
AUTOTS,1
TIME,100
OUTRES,ALL,ALL
TOFFST,273
TUNIF,649
ALLSEL,ALL
ASEL,S,,,1,6,1
NSLA,S,1
SF,ALL,CONV,460.46,27
SF,ALL,RDSF,0.9,1
STEF,0.119E-10
TOFFST,273
RADOPT,0.10000000149,0.999999974738E-04,0,1000,0.10000000149,0.10000000149
SPCTEMP,1,27
ALLSEL,ALL
SAVE
/STATUS,SOLU
SOLVE   
FINISH


转换单元材料参数略
/SOL
ANTYPE,TRANS
TRNOPT,FULL
LDREAD,TEMP,,,,,,rth
SOLCONTROL,ON
CNVTOL,F,,,,0.001
OUTRES,ALL,ALL
ALLSEL,ALL
DELTIM,0.01,0.01,0.1
AUTOTS,1
TIME,100
/STATUS,SOLU
SOLVE
SAVE   
FINISH

问题如下:两个Time 均设置为10s时的计算结果与Time均设置100时计算结果中第10s的结果不一样,相差接近两个数量级
请问高手指点,感激不尽

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