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What residuals are?

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Old   September 8, 2006, 05:06
Default What residuals are?
  #1
Paweł
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I know that residual tell about the solution convergence, but how to define them, and understand that definition?
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Old   September 9, 2006, 05:24
Default Re: What residuals are?
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john
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After solving N.S eqautions there is some imbalance. This is what residual are. They are the imbalance left inside cell. It should be very low like 0.0001 .

best regards john
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Old   September 9, 2006, 05:25
Default Re: What residuals are?
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john
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u vcan define in convergence criteria of any commercial code .

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Old   September 9, 2006, 08:52
Default Re: What residuals are?
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Paweł
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Thanks,

And what if the residual is more than 0.0001 (oscillation above)?

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