Lattice Theory of Fourth‐Order Elastic Constants of Primitive Lattices | Zendy

Goyal S. C. | Zendy; Kumar K. | Zendy

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Lattice Theory of Fourth‐Order Elastic Constants of Primitive Lattices

Author(s) -

Goyal S. C.,

Kumar K.

Publication year - 1985

Publication title -

physica status solidi (b)

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.51

H-Index - 109

eISSN - 1521-3951

pISSN - 0370-1972

DOI - 10.1002/pssb.2221310206

Subject(s) - coupling constant , elasticity (physics) , lattice (music) , order (exchange) , physics , mathematics , mathematical physics , mathematical analysis , statistical physics , classical mechanics , theoretical physics , quantum mechanics , thermodynamics , finance , acoustics , economics

The theoretical expressions for the fourth order elastic (FOE) constants of the primitive lattices are derived. First the equation of wave propagation in a homogeneously strained medium is obtained and then it is compared with the equation derived from the macroscopic theory of elasticity which yields the required relations for (FOE) constants and the Kun‐Huang relation among the fourth order coupling parameters.

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