A wave and Rayleigh–Ritz method to compute complex dispersion curves in periodic lossy acoustic black holes
Jie Deng, Yuxin Xu, Oriol Guasch, Nansha Gao, Liling Tang, Wenjie Guo
Topics & Concepts
Mathematical analysisSuperposition principleEigenvalues and eigenvectorsVibrationRitz methodBoundary value problemDispersion (optics)Periodic boundary conditionsBeam (structure)MathematicsPhysicsAcousticsOpticsQuantum mechanicsAcoustic Wave Phenomena ResearchNumerical methods in engineeringAerodynamics and Acoustics in Jet Flows