UFDTD-Taichi

See also the Julia version.

Understanding the Finite-Difference Time-Domain Method, implemented in Taichi.

Table of Contents:

• UFDTD-Taichi
  • Chapter 3. Introduction to the FDTD method
    • 1D Bare Bones
    • 1D Additive
    • 1D TFSF (Total Field / Scattered Field)
    • 1D Dielectric
    • 1D Lossy
    • 1D Matched
  • Chapter 6. Differential-Equation Based Absorbing Boundary Conditions
    • First Order ABC
    • Second Order ABC

Chapter 3. Introduction to the FDTD method

1D Bare Bones

• PEC at the left boundary
• PMC at the right boundary
• Hardwired source at node 0

1D Additive

• PEC at the left boundary
• PMC at the right boundary
• Additive source at node 50

1D TFSF (Total Field / Scattered Field)

• ABC at the left boundary
• ABC at the right boundary
• TFSF boundary between hy[49] and ez[50]

1D Dielectric

• ABC at the left boundary
• ABC at the right boundary (not working as expected due to non-unity relative permittivity)
• TFSF boundary between hy[49] and ez[50]
• A dielectric material starting at ez[100]

1D Lossy

• ABC at the left boundary
• TFSF boundary between hy[49] and ez[50]
• A lossy dielectric material starting at ez[100]

1D Matched

• ABC at the left boundary
• TFSF boundary between hy[49] and ez[50]
• A dielectric material starting at ez[100]
• A lossy dielectric material starting at ez[180], working as a matching layer

Chapter 6. Differential-Equation Based Absorbing Boundary Conditions

First Order ABC

• First order ABC at left and right boundaries
• TFSF boundary between hy[49] and ez[50]
• A dielectric material starting at ez[100]

Second Order ABC

• Second order ABC at left and right boundaries
• TFSF boundary between hy[49] and ez[50]
• A dielectric material starting at ez[100]