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zj860905

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[交流] 【求助】FLuent计算时出现错误

本人在用DPM模型计算非稳态的气液两相流的过程中，计算到一半就出现这样的错误计算终止，哪位达人能帮小弟看看是怎么回事啊！
计算了多次都出现以下2种错误
Advancing DPM injections ....
number tracked = 2688, escaped = 326, aborted = 0, trapped = 184, evaporated = 0, incomplete = 8, shed = 1240
  iter continuity x-velocity y-velocity z-velocity    energy       k epsilon    time/iter
618 9.7113e+00 4.0830e-08 5.1035e-08 7.2714e-08 9.3088e-02 7.9400e-01 8.5939e-02  0:11:01 40

Error: divergence detected in AMG solver: temperature
Error Object: ()

Advancing DPM injections ....
epsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallepsilon too smallnumber tracked = 7574, escaped = 47, aborted = 0, trapped = 833, evaporated = 0, incomplete = 2250, shed = 7530
  iter continuity x-velocity y-velocity z-velocity    energy       k epsilon    time/iter
576 5.0102e-01 1.1315e-08 1.5718e-08 3.9638e-09 1.1908e+02 1.2471e-02 1.6688e-02  0:09:08 40

Error: Floating point error: invalid number

Error Object: ()

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1楼2011-03-15 10:04:57

已阅回复此楼关注TA 给TA发消息送TA红花 TA的回帖

zj860905

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引用回帖:

Originally posted by zj860905 at 2011-03-15 10:04:57:
本人在用DPM模型计算非稳态的气液两相流的过程中，计算到一半就出现这样的错误计算终止，哪位达人能帮小弟看看是怎么回事啊！
计算了多次都出现以下2种错误
Advancing DPM injections ....
number tracked = 2 ...

以上设置中我加入了DPM模型中的droplet breakup,这样对液滴的粘度以及表面张力就可以定义，当我不考虑液滴破碎模型是，以上错误就没有发生了，郁闷啊哪位大虾指点指点啊!