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PerturbedEquilibrium - FEATURE - Port the Fortran Bernstein plasma-energy breakdown #632

Closed as not planned

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@logan-nc

Fortran GPEC added a Bernstein δW_p breakdown (PrincetonUniversity/GPEC#213). The #591 survey found no counterpart in this tree; the Fortran PR mentions a Julia port elsewhere, so first ask its author. Compare with #465's decomposition of the plasma energy of free-boundary eigenmodes, which may cover part of it.

Scope: locate or write the breakdown and test it against Fortran 1.6.0 on one deck.

Feature-parity item from the Fortran GPEC 1.6.0 survey in #591; filed so it is tracked once #591 closes.

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  1. logan-nc commented on Nov 2, 2026

    @logan-nc
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    Closing to keep the tracker quiet. #465 (the energy decomposition of free-boundary eigenmodes) covers this, and its author wrote the Fortran Bernstein breakdown (PrincetonUniversity/GPEC#213), so the parts that matter come over through #465. This is a recent Fortran feature, so it can reach Julia later, with no milestone.

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