A two-stage topology optimization framework places localized defect modes at prescribed frequencies in phononic crystals while preserving the host bandgap using a mode-selection function.
Dynamics of phononic materials and structures: Historical origins, recent progress, and future outlook
3 Pith papers cite this work. Polarity classification is still indexing.
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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.
Numerical simulations demonstrate defect-width-dependent modulation of resonant elastic-wave transmission and localization in periodic micro-pillar arrays.
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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.