Quarterly of Applied Mathematics

Quarterly of Applied Mathematics

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A dispersive continuum model of jointed media


Authors: S. Shkoller, A. Maewal and G. A. Hegemier
Journal: Quart. Appl. Math. 52 (1994), 481-498
MSC: Primary 73B27; Secondary 35B27, 73K12
DOI: https://doi.org/10.1090/qam/1292199
MathSciNet review: MR1292199
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Abstract | References | Similar Articles | Additional Information

Abstract: The problem of formulating higher-order continuum models for a jointed medium is considered for propagation of waves whose wavelengths are much larger than the cell width. A multiscale asymptotic approach is used to derive exact solutions for the microstructure in this large wavelength limit. A mixed variational principle is then invoked to obtain the homogenized model. This model, which incorporates dispersive wave phenomena, yields results which agree well with the exact solution for the dispersion of harmonic waves propagating through the medium.


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Additional Information

DOI: https://doi.org/10.1090/qam/1292199
Article copyright: © Copyright 1994 American Mathematical Society


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