Coulomb gauge in temw (RF - Electromagnetic Waves, Transient)?

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The below post is related to an archived discussion (RF-transient governing equation)


Someone could explain why the Comsol considers grad (div A) = 0 in the RF-transient module (also called temw)?

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Why Comsol considers "grad(div A) = 0" ???

Wondered the same.

Nice greetings


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