where D ijuj and Cij(1 /2) |u| uj are the viscous loss term and inertial loss term, respectively. Dij and Cij are prescribed matrices consisting of the porous media resistance coefficients,where Dn is a normal viscous resistance coefficient, Dt is the tangential viscous coefficient, Cn is the normal inertial resistance coefficient, and Ct is the tangential inertial resistance coefficient.