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Old   February 27, 2009, 05:04
Default AMG solver error
  #1
Rishikesh
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hi all

i am simulating air-kerosene mixing in a scramjet combustion chamber.

i am getting an error as shown below

Error: divergence detected in AMG solver: temperature

what is the reason and what is the rectification which needs to be done?

thanks!

Rishikesh
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Old   February 27, 2009, 05:38
Default Re: AMG solver error
  #2
sathees kannan
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try tuning under relaxation factor
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Old   February 27, 2009, 06:24
Default Re: AMG solver error
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Rishikesh
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tuning means increase or decrease?

thanks

Rishikesh
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Old   February 27, 2009, 07:18
Default Re: AMG solver error
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Ralf Schmidt
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Hi!

solve your flow field first without turbulence model, without energy equation or other models (combustion).

Then subsequent turn each model on...

Ralf
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