Fractional Calculus in Wave Propagation Problems

Details Fractional Calculus in Wave Propagation Problems Fractional Calculus in Wave Propagation Problems

2012-02-01

arxiv.org/abs/1202.0261v1

Forum der Berliner Mathematischer Gesellschaft, Vol 19, pp. 20-52 (2011)

Physics

Mathematical Physics

33 pages, 9 figures. arXiv admin note: substantial text overlap with arXiv:1008.1341

Scientific paper

Fractional calculus, in allowing integrals and derivatives of any positive order (the term "fractional" kept only for historical reasons), can be considered a branch of mathematical physics which mainly deals with integro-differential equations, where integrals are of convolution form with weakly singular kernels of power law type. In recent decades fractional calculus has won more and more interest in applications in several fields of applied sciences. In this lecture we devote our attention to wave propagation problems in linear viscoelastic media. Our purpose is to outline the role of fractional calculus in providing simplest evolution processes which are intermediate between diffusion and wave propagation. The present treatment mainly reflects the research activity and style of the author in the related scientific areas during the last decades.

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