Figure 7 shows stencil diagrams for 4 schemes with
CS
and different time centering:
Figure 7:
Stencil diagrams
with different time centering: FTCS, CTCS, BTCS, leapfrog.
|
|
- FT: forward-time (explicit)
- CT: center-time (time-centered implicit)
- BT: backward-time (fully implicit)
- Leapfrog (uses 3 time planes)
![\includegraphics[width=3.9cm]{images/pde1d_stencil_m0p.ps}](img208.png)
![\includegraphics[width=3.9cm]{images/pde1d_stencil_CT-m0p.ps}](img209.png)
![\includegraphics[width=3.9cm]{images/pde1d_stencil_BT-m0p.ps}](img210.png)
![\includegraphics[width=3.9cm]{images/pde1d_stencil_leapfrog.ps}](img211.png)