Elastic wave propagation in symmetrically periodic sinusoidal waveguide

Sourav Banerjee; Tribikram Kundu

doi:10.1117/12.540009

21 July 2004 Elastic wave propagation in symmetrically periodic sinusoidal waveguide

Sourav Banerjee, Tribikram Kundu

Proceedings Volume 5394, Health Monitoring and Smart Nondestructive Evaluation of Structural and Biological Systems III; (2004) https://doi.org/10.1117/12.540009
Event: NDE for Health Monitoring and Diagnostics, 2004, San Diego, CA, United States

Abstract

Wave propagation in structures with irregular boundaries is studied by transforming the plates with irregular surfaces to sinusoidal wave-guides. Guided elastic wave in a two-dimensional periodically corrugated plate is studied analytically. The plate material is considered as homogeneous, isotropic and linearly elastic. In a periodically corrugated wave-guide all possible spectral order of wave numbers are considered. The dispersion equation is obtained by applying the traction free boundary conditions. The analysis is carried out in the wave-number domain for symmetric modes. Non-propagating 'stop bands' and propagating 'pass bands' are investigated.

Citation Download Citation

Sourav Banerjee and Tribikram Kundu "Elastic wave propagation in symmetrically periodic sinusoidal waveguide", Proc. SPIE 5394, Health Monitoring and Smart Nondestructive Evaluation of Structural and Biological Systems III, (21 July 2004); https://doi.org/10.1117/12.540009

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