A new staggered-grid method for 3D anisotropic phononic crystals that uses parity invariants on even grids to split the generalized eigenvalue problem into four independent smaller blocks while preserving the full spectrum.
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An Efficient Parity-Blocked Method for Band-Structure Computation of 3D Anisotropic Phononic Crystals
A new staggered-grid method for 3D anisotropic phononic crystals that uses parity invariants on even grids to split the generalized eigenvalue problem into four independent smaller blocks while preserving the full spectrum.