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Multiple scattering of elastic waves by bounded obstacles

Anders Boström (Institutionen för tillämpad mekanik, Dynamik)
Journal of the Acoustical Society of America (0001-4966). Vol. 67 (1980), p. 399-413.
[Artikel, refereegranskad vetenskaplig]

The transition matrix method for stationary elastic waves is extended to a great class of obstacles characterized by piecewise constant properties. First, the translation properties of the basis functions is used to treat two and, then, then several homogeneous obstacles, and thereafter an obstacle with consecutively enclosing layers is considered. It is then indicated how these two basic methods of combination can be applied tp treat more complex cases, including an obstacle consisting of several nonenclosing parts. Finally, we give some numrecal applications of configurations of spherical and nonspherical obstacles in and below the resonance region.

Nyckelord: multiple scattering, elastic waves



Denna post skapades 2013-12-18. Senast ändrad 2015-03-30.
CPL Pubid: 189903

 

Institutioner (Chalmers)

Institutionen för tillämpad mekanik, Dynamik

Ämnesområden

Teknisk mekanik
Akustik

Chalmers infrastruktur