• The anisotropy of elastic wave propagation in crystals

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      Permanent link:
      https://www.ias.ac.in/article/fulltext/seca/055/05/0311-0323

    • Keywords

       

      Maximum Inclination; Elastic Wave Propagation; Vibration Direction; Tetragonal System; Baryte

    • Abstract

       

      A numerical estimation of the angles between wave-normal and vibration direction of the elastic waves for various classes of crystal has been given. The anisotropy in elastic wave propagation is strikingly manifested by the crystal Ammonium di-hydrogen phosphate belonging to the tetragonal system, which shows a maximum inclination of thirty-four degrees. Numerical studies have also been carried out for this crystal to obtain an estimate of the deviation of the ray vector from the direction of the wavenormal.

    • Author Affiliations

       

      R Venkataraman1

      1. National Aeronautical Laboratory, Palace Road, Bangalore-1
    • Dates

       
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