Dynamics of small bubble interface perturbations in vertical hele-shaw cell with magnetic liquid under the action of normal magnetic field

A linearized problem of dynamics for small perturbations of the gas bubble rising in the Hele-Shaw cell filled with magnetic liquid is considered. It is reduced to searching of eigenvalues and eigenfunctions for a linear operator with periodic boundary conditions. The obtained operator is presented...

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Veröffentlicht in:Mathematical modelling and analysis Jg. 9; H. 4; S. 287 - 298
Hauptverfasser: Cirulis, T., Lietuvietis, O., Cēbers, A.
Format: Journal Article
Sprache:Englisch
Veröffentlicht: Taylor & Francis Group 01.01.2004
Schlagworte:
Chebyshev polynomials
eigenvalues and eigenfunctions problem
gas bubble
Hele-Shaw cell
magnetic liquid
the Degenerate Matrices method
ISSN:1392-6292, 1648-3510
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Abstract A linearized problem of dynamics for small perturbations of the gas bubble rising in the Hele-Shaw cell filled with magnetic liquid is considered. It is reduced to searching of eigenvalues and eigenfunctions for a linear operator with periodic boundary conditions. The obtained operator is presented as a sum of two linear operators: the second order differential operator with varying coefficients and the integro - differential operator with the singularity of the Cauchy type. The spectral problem is solved by the Degenerate Matrices (DM) method using Chebyshev polynomials of the first and second kind.
AbstractList A linearized problem of dynamics for small perturbations of the gas bubble rising in the Hele-Shaw cell filled with magnetic liquid is considered. It is reduced to searching of eigenvalues and eigenfunctions for a linear operator with periodic boundary conditions. The obtained operator is presented as a sum of two linear operators: the second order differential operator with varying coefficients and the integro - differential operator with the singularity of the Cauchy type. The spectral problem is solved by the Degenerate Matrices (DM) method using Chebyshev polynomials of the first and second kind.
Author Cēbers, A.
Lietuvietis, O.
Cirulis, T.
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  organization: Institute of Mathematics , Latvian Academy of Sciences and University of Latvia
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  fullname: Cēbers, A.
  organization: Institute of Mathematics , Latvian Academy of Sciences and University of Latvia
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Snippet A linearized problem of dynamics for small perturbations of the gas bubble rising in the Hele-Shaw cell filled with magnetic liquid is considered. It is...
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StartPage 287
SubjectTerms Chebyshev polynomials
eigenvalues and eigenfunctions problem
gas bubble
Hele-Shaw cell
magnetic liquid
the Degenerate Matrices method
Title Dynamics of small bubble interface perturbations in vertical hele-shaw cell with magnetic liquid under the action of normal magnetic field
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