Introduces an adjoint projection method using volume-weighted metric to control numerical ∇·B errors in SPMHD, achieving roundoff-level accuracy with 1-10% overhead and consistent physical structures versus divergence cleaning.
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An Adjoint Projection Formulation for Enforcing the divergence-free Constraint in Smoothed Particle Magnetohydrodynamics
Introduces an adjoint projection method using volume-weighted metric to control numerical ∇·B errors in SPMHD, achieving roundoff-level accuracy with 1-10% overhead and consistent physical structures versus divergence cleaning.