Surface waves propagation in icosahedral quasicrystals is investigated by means of planar steady state problem setting in generalized linear elasticity. By using the Stroh formalism, the dispersion relation for surface waves propagating in a halfplane of quasicristalline material is derived. Analytical solutions for the dispersion relation are evaluated for small phasonic diffusive coefficient as well as for vanishing small phason diffusion. The influence of phasonic diffusion on the surface wave propagation is analyzed and discussed in detail.
Surface waves propagation in 2-D icosahedral quasicrystals / Morini, Lorenzo; Radi, Enrico. - STAMPA. - 1:(2011), pp. 33-33. (Intervento presentato al convegno 2nd International Conference on Material Modelling - ICMM 2011 tenutosi a Parigi nel 31 Agosto-2 Settembre 2011).
Surface waves propagation in 2-D icosahedral quasicrystals
MORINI, Lorenzo;RADI, Enrico
2011
Abstract
Surface waves propagation in icosahedral quasicrystals is investigated by means of planar steady state problem setting in generalized linear elasticity. By using the Stroh formalism, the dispersion relation for surface waves propagating in a halfplane of quasicristalline material is derived. Analytical solutions for the dispersion relation are evaluated for small phasonic diffusive coefficient as well as for vanishing small phason diffusion. The influence of phasonic diffusion on the surface wave propagation is analyzed and discussed in detail.
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