TITLE

Wave propagation in elastic lattices subjected to a local harmonic loading. II. Two-dimensional problems

AUTHOR(S)
Osharovich, G.; Ayzenberg-Stepanenko, M.; Tsareva, O.
PUB. DATE
September 2010
SOURCE
Continuum Mechanics & Thermodynamics;Sep2010, Vol. 22 Issue 6-8, p599
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Steady-state and transient processes of elastic wave propagation in infinite 2D massless and material-bond lattices subjected to a local monochromatic excitation are studied. Anti-plane dynamics of rectangular and triangular lattices is considered. Mathematical models of lattices, dispersion properties of free waves, and results of transient problems solution are presented. Resonant excitations of lattices are explored. Asymptotic solutions are compared with the results of computer simulation. Special attention is given to the wave-beaming pattern in the case of the excitation frequency located within a pass-band.
ACCESSION #
54299935

 

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