Field Loop advection works in 3D now in astrobear

Pseudocolor plot of magnetic energy

Contour plot of magnetic energy

Magnetized Jets

Contour plot of magnetic energy

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Slice showing toroidal magnetic field

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Slice showing density

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Contour plot of magnetic energy for diagonally launched jet

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Problems with field_loop advection

Contour plot of magnetic energy

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Contour plot of magnetic energy

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Contour plot of magnetic energy

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