Geodesic
On Eigenvibrations of a Body with Many Concentrated Masses Located Nonperiodically along the Boundary
Trudy Matematicheskogo Instituta imeni V.A. Steklova, Differential equations and dynamical systems, Tome 236 (2002), pp. 158-166 
E. I. Doronina; G. A. Chechkin. On Eigenvibrations of a Body with Many Concentrated Masses Located Nonperiodically along the Boundary. Trudy Matematicheskogo Instituta imeni V.A. Steklova, Differential equations and dynamical systems, Tome 236 (2002), pp. 158-166. http://geodesic.mathdoc.fr/item/TM_2002_236_a16/
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     author = {E. I. Doronina and G. A. Chechkin},
     title = {On {Eigenvibrations} of {a~Body} with {Many} {Concentrated} {Masses} {Located} {Nonperiodically} along the {Boundary}},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
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     volume = {236},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_2002_236_a16/}
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Voir la notice du chapitre de livre provenant de la source Math-Net.Ru

A boundary value problem is considered for a system of linear elasticity theory with nonperiodic rapidly varying boundary conditions and a large number of concentrated masses near the boundary. The asymptotic behavior of the solutions to this problem as well as the limit behavior of its spectrum are analyzed. It is assumed that the number of concentrated masses has a logarithmic growth with respect to a small parameter that characterizes the diameter of the concentrated masses. The case when the limit problem has the Fourier boundary condition and the density of inclusions is not very high is considered.

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