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Surface waves on the periodic boundary of an elastic half space

Anders Boström (Institutionen för tillämpad mekanik, Dynamik)
Applied Scientific Research : an international journal on the applications of fluid dynamics (0003-6994). Vol. 39 (1982), p. 129-142.
[Artikel, refereegranskad vetenskaplig]

The existence of free surface waves on the periodic boundary of an elastic half space is established. These waves are a generalization of Rayleigh waves, and they can propagate both along and - at low frequencies and small profile heights - normal to the ridges of the periodic surface (periodic in one direction and constant in the other). It is shown how the wave number depends on the height and shape of the periodic surface, the frequency, and the direction of propagation. To give a further insight into the behaviour of the surface waves some computations of surface displacements are given

Nyckelord: elastic waves, surface wave, half space, corrugations



Denna post skapades 2013-12-18. Senast ändrad 2015-03-30.
CPL Pubid: 189912

 

Institutioner (Chalmers)

Institutionen för tillämpad mekanik, Dynamik

Ämnesområden

Fastkroppsmekanik
Akustik

Chalmers infrastruktur