| 250 | | Here we want the radiation energy in the ghost zone to match the radiation energy in the internal cell. [[latex(E^{n+1}_g=E^{n+1}_i \mbox{ and } E^n_g=E^n_i)]] |
| | 250 | Here we want the radiation energy in the ghost zone to match the radiation energy in the internal cell. [[latex(E^{n+1}_g=E^{n+1}_i \mbox{ and } E^n_g=E^n_i)]] |
| | 251 | This is identical to reflecting below |
| | 252 | |
| | 253 | === Constant Slope Boundary === |
| | 254 | Here we want the flux to be constant so energy does not pile up near the boundary |
| | 255 | [[latex(E^{n+1}_g=2 E^{n+1}_i - E^{n-1}_j \mbox{ and } E^n_g=2 E^n_i-E^n_j)]] where cell 'j' is interior of cell 'i'. |
