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Old   May 18, 2007, 06:50
Default Floating Point Error
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Hi there,

I'm running a ~950000 cell combustion calc, and after a little while of the residuals converging nicely(as with 650k model), SUDDENLY the residuals shoot up and the turbulent viscosity ratio starts being limited in more and more cells. Eventually I get a message saying floating point error and the simulation stops running. Has anyone experienced this before?

Any help would be very much appreciated.

Thanks Phil
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Old   May 21, 2007, 16:01
Default Re: Floating Point Error
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Have you try to coarsen your grid? Sometimes in my simulation a fine grid might cause error message like this
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Old   May 22, 2007, 15:38
Default Re: Floating Point Error
Prasad Dudhgaonkar
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I's sure you wouldn't have missed reducing under-relaxation factors.
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