Computational Electromagnetics Python Packages

beamz

GPU-accelerated FDTD Python framework for 2D/3D electromagnetic simulation and photonic inverse design.

picht

Electron optics simulation and design

rfx-fdtd

JAX-based 3D FDTD electromagnetic simulator

ionosphere-fdtd

NumPy and PyTorch implementation of a 3-D geodesic FDTD solver for ELF electromagnetic propagation in the Earth–ionosphere waveguide.

gmes

PyTorch-based electromagnetic FDTD simulator in pure Python for 1D, 2D, and 3D domains, with CPU and multi-GPU CUDA execution

edgefem

3D finite-element electromagnetics (FEM) solver for RF/mmWave simulation. Computes S-parameters, radiation patterns, and fields using Nédélec edge elements. Supports wave ports, PML/ABC boundaries, periodic structures, and dispersive materials.