𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Resonances for multistratified acoustic waveguides

✍ Scribed by Dermenjian, Y.; Poisson, O.; Vainberg, B.

Book ID
121262517
Publisher
Taylor and Francis Group
Year
1998
Tongue
English
Weight
999 KB
Volume
71
Category
Article
ISSN
0003-6811

No coin nor oath required. For personal study only.

πŸ“œ SIMILAR VOLUMES

A perturbative method for the spectral a
A perturbative method for the spectral analysis of an acoustic multistratified strip
✍ Elisabeth Croc; Yves Dermenjian πŸ“‚ Article πŸ“… 1998 πŸ› John Wiley and Sons 🌐 English βš– 220 KB πŸ‘ 2 views

We consider the acoustic propagator A"! ) c in the strip "+(x, z)31"0(z(H, with finite width H'0. The celerity c depends for large "x" only on the variable z and describes the stratification of : it is assumed to be in ΒΈ( ), bounded from below by c '0, such that there exists M'0 with c(x, z)"c (z) i

Bound on the counting function for the e
Bound on the counting function for the eigenvalues of an infinite multistratified acoustic strip
✍ Olivier Poisson πŸ“‚ Article πŸ“… 1999 πŸ› John Wiley and Sons 🌐 English βš– 181 KB πŸ‘ 2 views

Let N( ) be the counting function of the eigenvalues associated with the self-adjoint operator !( (x, z) )) in the domain "1;]0, h[, h'0, with Neuman or Dirichlet conditions at z"0, h. If "1 in the exterior of a bounded rectangular region O, that is, for "x" large, then N( ) is known to be sublinear