Introduction to Electromagnetic Simulation with MEEP

Electromagnetic simulation acts as an "eye" in RF design: it helps confirm what is happening when a circuit diagram alone cannot reveal the cause. Typical examples include mismatch caused by feed geometry, radiation from a discontinuity that is stronger than expected, and resonance shifts caused by changes in substrate permittivity. Measurements can observe these effects, but measurements primarily report what happened; isolating causes can still take time. Electromagnetic simulation bridges causes and effects.
Electromagnetic simulation can also appear difficult. The reason is straightforward: Maxwell's equations appear at the start, numerical computation sits in the middle, and RF metrics appear at the end. Equations are rigorous but do not directly answer design questions in their raw form. RF metrics are practical but do not automatically connect back to fields. The goal of this book is to connect these ends with short, usable bridges.

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