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What are residual related coefficients in Fluent?

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January 20, 2022, 18:07	What are residual related coefficients in Fluent?	#1
rbaheti New Member Rounak Baheti Join Date: Jan 2022 Posts: 1 Rep Power: 0	Hi, While going over the documentation on how ANSYS Fluent calculates residuals, I came across the equation: $a_P \phi_P = \sum_{nb}a_{nb} \phi_{nb} + b$ Here, is center coefficient and $a_{nb}$ are influence coefficients from neighboring cells. This is calculated for a general variable $\phi$ in cell P. What exactly are these coefficients? Source: HTML Code: https://www.afs.enea.it/project/neptunius/docs/fluent/html/ug/node812.htm

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