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  • Transition from 1D to 2D laser-induced ultrasonic wave propagation in an extended plate
    Laloš, Jernej ; Požar, Tomaž ; Možina, Janez, fizik, 1945-
    Optodynamic interaction between a laser pulse and the surface of an opaque, solid elastic object produces transient waves that propagate and reverberate within the object. They can be, in general, ... categorized into three distinctive types which are all formed through different mechanisms: ablation-induced waves, light-pressure-induced waves, and thermoelastic waves. In this paper, out-of-plane displacements of such waves are simulated at the epicentral position on the opposite side of an extended plane-parallel elastic plate. Wave propagation is mathematically described by Greenʼs transfer functions convolved with suitable time profiles of the incoming laser pulses. The simulated size of the circularly symmetric laser-illuminated area on the plate surface is varied to show the limit-to-limit transition of the displacement waveforms: from a 2D point source to an infinite 1D source.
    Vir: International journal of thermophysics. - ISSN 0195-928X (Vol. 37, iss. 5, May 2016, str. 1-10)
    Vrsta gradiva - članek, sestavni del
    Leto - 2016
    Jezik - angleški
    COBISS.SI-ID - 14568475

    Povezava(-e):

    http://link.springer.com/article/10.1007/s10765-016-2056-y
    Repozitorij Univerze v Ljubljani – RUL
    DOI

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