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Forum: FLUENT

August 19, 2019, 13:31

Replies: 11

residual values >> scale

Views: 7,557

Posted By LuckyTran

Yes it is only for 1 iteration. Residuals measure...

Yes it is only for 1 iteration. Residuals measure imbalance, they don't tell you anything about convergence except that a converged solution should have low residuals.

It still is necessary to...

Forum: FLUENT

August 18, 2019, 22:33

Replies: 11

residual values >> scale

Views: 7,557

Posted By LuckyTran

On the top and bottom is a summation over all...

On the top and bottom is a summation over all cells p. Each summand is the difference difference in fluxes of the current cell and neighboring cells + sources (b). The summand in the denominator is...

Forum: FLUENT

November 27, 2012, 18:55

Replies: 11

residual values >> scale

Views: 7,557

Posted By LuckyTran

Just to further the points made: If the...

Just to further the points made:

If the solver is initialized with the exact solution to the problem. The unscaled residuals will never decrease. The scaled residuals likewise will also not...

Forum: FLUENT

November 25, 2012, 18:52

Replies: 11

residual values >> scale

Views: 7,557

Posted By LuckyTran

The "scale" option enables/disables the scaling...

The "scale" option enables/disables the scaling of the residuals that are reported. If not on, the residuals are not scaled. If enabled, then the residuals are scaled.

The unscaled residuals are...

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