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What are the specific equations of residuals?

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Old   November 29, 2016, 23:25
Default What are the specific equations of residuals?
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MURAKAMI, Y.
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Hi,

I'm using simpleFoam and pimpleFoam.

Now I'm interested in residuals in log files. Smaller value would be better, but I want to know the equation of these residuals and which is the residual of NS equations and continuity equation.

Log files and foamLog output 'time step continuity errors' but there are three values: local, global, cumulative. What the difference?

thank you.
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