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Table 2 Coefficients in equation (3.4)

From: Free convection inside a porous square cavity with convective boundary condition using spline functions

Ψ

\(F_{ij}^{n+1/2}\)

\(R_{ij}^{n+1/2}\)

\(Q_{ij}^{n+1/2}\)

θ

\(\theta _{ij}^{n+1/2} + \frac{\Delta t}{2} ( - l_{\psi ,ij}^{n+1/2} m_{\theta ,ij}^{n} + M_{\theta ,ij}^{n} )\)

\(\frac{\Delta t}{2} m_{\psi ,ij}^{n+1/2}\)

\(\frac{\Delta t}{2}\)

ψ

\(\psi _{ij}^{n+1/2} + \frac{\Delta t}{2} ( M_{\psi ,ij}^{n+1/2} +\operatorname{\mathit{Ra}} m_{\theta ,ij}^{n} )\)

0

\(\frac{\Delta t}{2}\)