Amrita Pati
Ansys Employee


FDTD doesn’t support triangular mesh, it uses rectilinear mesh.

DGTD, on the other hand uses triangular mesh in 2D and tetrahedral mesh in 3D. The similarities and differences between FDTD and DGTD can be found in the video linked below:

Fore more information on DGTD, please visit the following page:


Thank you.