Lines Matching refs:delta_x
37 PetscScalar delta_x, delta_y; member
160 PetscScalar delta_x, delta_y; in FormFunction() local
216 delta_x = centroid_x[1] - centroid_x[0]; in FormFunction()
225 if (nC == 2) flux_south = (x[cellsupport[0]] * (-v_plus - user->diffusion * delta_x)) / delta_y; in FormFunction()
226 else flux_south = (boundary * (-v_plus - user->diffusion * delta_x)) / delta_y; in FormFunction()
231 if (nC == 2) flux_east = (x[cellsupport[1]] * (u_minus - user->diffusion * delta_y)) / delta_x; in FormFunction()
232 else flux_east = (boundary * (u_minus - user->diffusion * delta_y)) / delta_x; in FormFunction()
237 if (nC == 2) flux_north = (x[cellsupport[1]] * (v_minus - user->diffusion * delta_x)) / delta_y; in FormFunction()
238 else flux_north = (boundary * (v_minus - user->diffusion * delta_x)) / delta_y; in FormFunction()
243 if (nC == 2) flux_west = (x[cellsupport[0]] * (-u_plus - user->diffusion * delta_y)) / delta_x; in FormFunction()
244 else flux_west = (boundary_left * (-u_plus - user->diffusion * delta_y)) / delta_x; in FormFunction()
247 …s - u_minus + 2 * user->diffusion * delta_y) / delta_x + (v_plus - v_minus + 2 * user->diffusion *… in FormFunction()