A provably stable SBP-SAT FDTD subgridding method is proposed that enables direct coupling of an embedded refined region to a single surrounding coarse-grid domain without region splitting or auxiliary blocks.
FDTD Maxwell’s equations models for nonlinear electrodynamics and optics,
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A Stable SBP-SAT FDTD Subgridding Method Without Region Split
A provably stable SBP-SAT FDTD subgridding method is proposed that enables direct coupling of an embedded refined region to a single surrounding coarse-grid domain without region splitting or auxiliary blocks.