Incident plane-wave source formulations for leapfrog complying-divergence implicit FDTD method

• Main Authors: Liu, Shuo, Tan, Eng Leong, Zou, Bin
• Other Authors: School of Electrical and Electronic Engineering
• Format: Article
• Language: English
• Published: 2024
• Subjects: Engineering; Finite-difference time-domain method; Unconditionally stable method; Complying-divergence implicit; Scattered field techniques; Total-field/scattered field techniques
• Online Access: https://hdl.handle.net/10356/178488
• Institution: Nanyang Technological University

The commonly used unconditionally stable finite-difference time-domain (FDTD) methods such as alternating direction implicit (ADI)-FDTD, and its one-step formulation, leapfrog ADI-FDTD, have been found to violate the divergence condition of Gauss's law. The recently proposed leapfrog complying-...