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overshooting/undershooting temperature

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Old   February 10, 2006, 06:23
Default overshooting/undershooting temperature
  #1
manohar
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hi guys,

i am simulating heat tranasfer over a disc brake with rotating frame of reference. here i am getting the following error in the interations

temperature limited to 1.000e+0 in 10000 cells (or) temperature limited to 5.000e+3 in 10000 cells

in almost alternatively those 2 errors are coming. i am very greatful if u can solve my problem.

thanks in advance
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Old   February 10, 2006, 13:32
Default Re: overshooting/undershooting temperature
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Evan Rosenbaum
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You may just need to reduce your under-relaxations, particularly on energy.
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Old   February 11, 2006, 01:28
Default Re: overshooting/undershooting temperature
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manohar
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thank you for ur response,

i've tried in that way also, but i unable to stop the same error
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Old   February 13, 2006, 03:47
Default Re: overshooting/undershooting temperature
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Kharicha
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Is your grid boundary layer able to resolve the thermal boundary layer ?

Do you impose a flux or a temperature at the disc?
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