Draft — coming soon.
This note will cover the basics of electromagnetic simulation: what Maxwell's equations describe, the families of numerical methods used to solve them in practice, and the engineering questions these solvers exist to answer.
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May 12, 2026 · Planck Labs · 1 min read
What is electromagnetic simulation?
An introduction to numerical solution of Maxwell's equations: what these solvers compute, where they are used, and the families of methods that dominate the field.
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May 26, 2026 · 1 min
What is a perfectly matched layer (PML)?
The absorbing boundary condition that makes finite-domain wave simulation possible: how it works, when it fails, and why integral equation methods do not need one.
May 19, 2026 · 1 min
FDTD vs FEM vs MoM: a plain-English comparison
The three dominant families of numerical methods for electromagnetic simulation, what each is good at, and where each one breaks down.