Results 51 to 60 of about 27,888 (166)
Известия высших учебных заведений. Поволжский регион: Физико-математические науки, 2022 Background. The purpose of this work is to restore the permittivity of an inhomogeneous dielectric body located in a semi-infinite rectangular waveguide.
R.O. Evstigneev, M.A. Moskaleva
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Inverse Vector Function Hilbert Boundary Value Problem [PDF]
Pure and Applied Mathematics Journal, 2016 In the paper, how to solve an irregular vector function Hilbert boundary value inverse problem is discussed in generalization. In the solving, some diagonal matrices are introduced for helping to regulate those equations of Hilbert boundary value problem. Then, the solution of the problem is given.
openaire +1 more source
Source Identification for a Two-Dimensional Parabolic Equation with an Integral Constraint
MathematicsWe consider a two-dimensional parabolic problem subject to both Neumann and Dirichlet boundary conditions, along with an integral constraint. Based on the integral observation, we solve the inverse problem of a recovering time-dependent right-hand side ...
Miglena N. Koleva, Lubin G. Vulkov
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Известия высших учебных заведений. Поволжский регион: Физико-математические науки, 2020 Background. This paper is devoted to inverse problem of recovering electromagnetic and geometric properties of a multisectional anisotropic diaphragm in a rectangular waveguide.
E. D. Derevyanchuk +4 more
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INVERSE PROBLEM OF NON-STATIONARY KINEMATICALLY LOADED ELASTIC HALF-SPACE [PDF]
Avtomobilʹnyj Transport (Harʹkov), 2012 The solution of inverse problem concerning non-stationary kinematic loading of elastic half-space is considered in the given article. Kinematic loading applied to the surface of half-space is the result of inverse problem solving.
Bogdan, D.
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Spectral analysis for differential operators with singularities
Abstract and Applied Analysis, 2004 Nonselfadjoint boundary value problems for second-order differential equations on a finite interval with nonintegrable singularities inside the interval are considered under additional sewing conditions for solutions at the singular point.
Vjacheslav Anatoljevich Yurko
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Journal of Applied Mathematics, 2014 We consider an ill-posed initial boundary value problem for the Helmholtz equation. This problem is reduced to the inverse continuation problem for the Helmholtz equation.
Sergey Igorevich Kabanikhin +4 more
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TASK Quarterly, 2002 The paper presents fragment of a larger study concerning the effective methods of solving the inverse boundary value problems. The boundary value problem described here is formulated as a problem of the identification of a boundary geometry with corner ...
EUGENIUSZ ZIENIUK, WIESŁAW GABREL
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Solving the geodesics on the ellipsoid as a boundary value problem
Journal of Geodetic Science, 2013 The geodesic between two given points on an ellipsoid is determined as a numerical solution of a boundary value problem. The secondorder ordinary differential equation of the geodesic is formulated by means of the Euler-Lagrange equation of the calculus ...
Panou G., Delikaraoglou D., Korakitis R.
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On one solution of the vibration problem of mechanical systems with moving boundaries
Вестник Самарского университета: Естественнонаучная серияAn analytical method of solving the wave equation describing the oscillations of systems with moving boundaries is considered. By changing the variables that stop the boundaries and leave the equation invariant, the original boundary value problem is ...
Vladislav L. Litvinov +1 more
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