Pure Modes for Elastic Waves in Crystals

by: K Brugger

Journal of Applied Physics, Vol. 36, No. 3. (1965), pp. 759-768.

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Abstract

In an anisotropic medium there are only certain directions along which elastic waves can propagate in pure longitudinal and transverse modes. For the determination of third-order elastic coefficients from sound speed measurements in stressed crystals it is desirable to know these modes. Using a method due to Borgnis the pure mode directions are determined for all crystal point groups belonging to the orthorhombic, tetragonal, cubic, rhombohedral, and hexagonal systems. The eigenvalue problem is solved for each of these directions, and the polarization vectors and the wave speeds are tabulated. ©1965 The American Institute of Physics

@article{citeulike:1586147, abstract = {In an anisotropic medium there are only certain directions along which elastic waves can propagate in pure longitudinal and transverse modes. For the determination of third-order elastic coefficients from sound speed measurements in stressed crystals it is desirable to know these modes. Using a method due to Borgnis the pure mode directions are determined for all crystal point groups belonging to the orthorhombic, tetragonal, cubic, rhombohedral, and hexagonal systems. The eigenvalue problem is solved for each of these directions, and the polarization vectors and the wave speeds are tabulated. \©1965 The American Institute of Physics}, author = {Brugger, K. }, citeulike-article-id = {1586147}, doi = {http://dx.doi.org/10.1063/1.1714215}, journal = {Journal of Applied Physics}, keywords = {nonlinear}, number = {3}, pages = {759--768}, posted-at = {2007-08-23 16:42:06}, priority = {2}, publisher = {AIP}, title = {Pure Modes for Elastic Waves in Crystals}, url = {http://dx.doi.org/10.1063/1.1714215}, volume = {36}, year = {1965} }

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TY - JOUR ID - citeulike:1586147 L3 - citeulike-article-id:1586147 TI - Pure Modes for Elastic Waves in Crystals JF - Journal of Applied Physics VL - 36 IS - 3 SP - 759 EP - 768 PB - AIP N2 - In an anisotropic medium there are only certain directions along which elastic waves can propagate in pure longitudinal and transverse modes. For the determination of third-order elastic coefficients from sound speed measurements in stressed crystals it is desirable to know these modes. Using a method due to Borgnis the pure mode directions are determined for all crystal point groups belonging to the orthorhombic, tetragonal, cubic, rhombohedral, and hexagonal systems. The eigenvalue problem is solved for each of these directions, and the polarization vectors and the wave speeds are tabulated. ©1965 The American Institute of Physics KW - nonlinear AU - Brugger, K PY - 1965/// UR - http://dx.doi.org/10.1063/1.1714215 ER -

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