1.

Consider the following stencil.For a source-less 2-D steady-state diffusion problem, the coefficient of the flow variable ΦP is ____

A. \(\frac{\Gamma_W A_W}{\delta x_{WP}}+\frac{\Gamma_E A_E}{\delta x_{PE}}+\frac{\Gamma_S A_S}{\delta y_SP}+\frac{\Gamma_N A_N}{\delta y_{PN}}\)
B. \(\frac{\Gamma_W A_W}{\delta y_{WP}}+\frac{\Gamma_E A_E}{\delta y_{PE}}+\frac{\Gamma_S A_S}{\delta x_SP}+\frac{\Gamma_N A_N}{\delta x_{PN}}\)
C. \(\frac{\Gamma_W A_W}{\delta y_{WP}}+\frac{\Gamma_S A_S}{\delta y_{SP}}+\frac{\Gamma_E A_E}{\delta x_{PE}}+\frac{\Gamma_N A_N}{\delta x_{PN}}\)
D. \(\frac{\Gamma_W A_W}{\delta x_{WP}}+\frac{\Gamma_S A_S}{\delta x_{SP}}+\frac{\Gamma_E A_E}{\delta y_{PE}}+\frac{\Gamma_N A_N}{\delta y_{PN}}\)
Answer» B. \(\frac{\Gamma_W A_W}{\delta y_{WP}}+\frac{\Gamma_E A_E}{\delta y_{PE}}+\frac{\Gamma_S A_S}{\delta x_SP}+\frac{\Gamma_N A_N}{\delta x_{PN}}\)


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