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Found 173 Documents (Results 1–100)

A difference scheme for a nonlinear singularly perturbed second order equation. (English. Russian original) Zbl 0739.65074

U.S.S.R. Comput. Math. Math. Phys. 30, No. 5, 107-111 (1990); translation from Zh. Vychisl. Mat. Mat. Fiz. 30, No. 9, 1425-1430 (1990).
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Approximation of conservation laws by high-resolution difference schemes. (English. Russian original) Zbl 0739.65077

U.S.S.R. Comput. Math. Math. Phys. 30, No. 5, 91-100 (1990); translation from Zh. Vychisl. Mat. Mat. Fiz. 30, No. 9, 1405-1417 (1990).
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A version of the splitting method and implicit implementation of the boundary conditions for the solutions of the Navier-Stokes equations in curvilinear coordinates. (English. Russian original) Zbl 0794.76062

U.S.S.R. Comput. Math. Math. Phys. 30, No. 5, 66-72 (1990); translation from Zh. Vychisl. Mat. Mat. Fiz. 30, No. 9, 1372-1380 (1990).
MSC:  76M20 76N10
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Increasing the order of approximation of Godunov’s scheme using solutions of the generalized Riemann problem. (English. Russian original) Zbl 0739.65079

U.S.S.R. Comput. Math. Math. Phys. 30, No. 5, 54-65 (1990); translation from Zh. Vychisl. Mat. Mat. Fiz. 30, No. 9, 1357-1371 (1990).
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Asymptotic behaviour of the solution of the singularly perturbed parabolic problem in the critical case. (English. Russian original) Zbl 0732.35009

U.S.S.R. Comput. Math. Math. Phys. 30, No. 3, 154-161 (1990); translation from Zh. Vychisl. Mat. Mat. Fiz. 30, No. 6, 858-867 (1990).
MSC:  35B40 35B25 35K10
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The convergence in \(W^ 2_ 2\) of a difference solution of the Dirichlet problem. (English. Russian original) Zbl 0727.65084

U.S.S.R. Comput. Math. Math. Phys. 30, No. 2, 89-92 (1990); translation from Zh. Vychisl. Mat. Mat. Fiz. 30, No. 3, 470-474 (1990).
MSC:  65N12 65N15 35J25
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Programming a generalized Cholesky algorithm for mixed discrete analogues of elliptic boundary-value problems. (English. Russian original) Zbl 0727.65017

U.S.S.R. Comput. Math. Math. Phys. 30, No. 2, 56-62 (1990); translation from Zh. Vychisl. Mat. Mat. Fiz. 30, No. 3, 420-429 (1990).
MSC:  65F05 65N30 35J25
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A numerical algorithm for solving the Cauchy characteristic problem for ultrahyperbolic equations. (English. Russian original) Zbl 0721.65074

U.S.S.R. Comput. Math. Math. Phys. 30, No. 1, 233-237 (1990); translation from Zh. Vychisl. Mat. Mat. Fiz. 30, No. 2, 320-325 (1990).
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Grid selection in the variation-difference method for solving second- order elliptic equations with quasidegenerate quadratic form. (English. Russian original) Zbl 0732.65099

U.S.S.R. Comput. Math. Math. Phys. 29, No. 6, 22-33 (1989); translation from Zh. Vychisl. Mat. Mat. Fiz. 29, No. 11, 1634-1649 (1989).
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A second-order finite-difference scheme for computing three-dimensional supersonic flows of an ideal gas. (English. Russian original) Zbl 0713.76074

U.S.S.R. Comput. Math. Math. Phys. 29, No. 4, 65-71 (1989); translation from Zh. Vychisl. Mat. Mat. Fiz. 29, No. 7, 1057-1066 (1989).
MSC:  76M20 76H05 76N15
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The solution of problems in elasticity theory by complete-system methods. (English. Russian original) Zbl 0712.73108

U.S.S.R. Comput. Math. Math. Phys. 29, No. 5, 60-66 (1989); translation from Zh. Vychisl. Mat. Mat. Fiz. 29, No. 9, 1346-1353 (1989).
MSC:  74S30 74P10 74S15 74H45 74E05 74E10
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A difference scheme for a singularly perturbed parabolic equation with discontinuous coefficients and concentrated factors. (English. Russian original) Zbl 0712.65083

U.S.S.R. Comput. Math. Math. Phys. 29, No. 5, 9-19 (1989); translation from Zh. Vychisl. Mat. Mat. Fiz. 29, No. 9, 1277-1290 (1989).
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Approximation of the solutions of singularly perturbed boundary value problems with a parabolic boundary layer. (English. Russian original) Zbl 0709.65073

U.S.S.R. Comput. Math. Math. Phys. 29, No. 4, 1-10 (1989); translation from Zh. Vychisl. Mat. Mat. Fiz. 29, No. 7, 963-977 (1989).
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Iterative decomposition methods for solving systems of equations with a block-tridiagonal matrix. (English. Russian original) Zbl 0708.65036

U.S.S.R. Comput. Math. Math. Phys. 29, No. 3, 112-119 (1989); translation from Zh. Vychisl. Mat. Mat. Fiz. 29, No. 6, 803-812 (1989).
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A generalized Cholesky algorithm for mixed discrete analogues of elliptic boundary-value problems. (English. Russian original) Zbl 0702.65028

U.S.S.R. Comput. Math. Math. Phys. 29, No. 1, 46-52 (1989); translation from Zh. Vychisl. Mat. Mat. Fiz. 29, No. 1, 67-74 (1989).
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A difference scheme for a singularly perturbed equation of parabolic type with discontinuous boundary conditions. (English. Russian original) Zbl 0698.65058

U.S.S.R. Comput. Math. Math. Phys. 28, No. 6, 32-41 (1988); translation from Zh. Vychisl. Mat. Mat. Fiz. 28, No. 11, 1649-1662 (1988).
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The use of conjugate equations in the method of auxiliary sources. (English. Russian original) Zbl 0689.35025

U.S.S.R. Comput. Math. Math. Phys. 28, No. 3, 172-177 (1988); translation from Zh. Vychisl. Mat. Mat. Fiz. 28, No. 6, 879-886 (1988).
MSC:  35J25 45A05
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Modification of Newton and the secant methods and their applications in regularizing algorithms. (English. Russian original) Zbl 0684.65053

U.S.S.R. Comput. Math. Math. Phys. 28, No. 4, 107-114 (1988); translation from Zh. Vychisl. Mat. Mat. Fiz. 28, No. 8, 1123-1134 (1988).
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A nonlinear boundary value problem of ignition by radiation. (English. Russian original) Zbl 0677.35056

U.S.S.R. Comput. Math. Math. Phys. 28, No. 2, 157-164 (1988); translation from Zh. Vychisl. Mat. Mat. Fiz. 28, No. 4, 549-559 (1988).
Reviewer: T.A.Dzhangveladze
MSC:  35K60 80A25 35A05 35K20
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Exact estimates of the error gradient of projection-difference schemes for parabolic equations in an arbitrary domain. (English. Russian original) Zbl 0655.65110

U.S.S.R. Comput. Math. Math. Phys. 26, No. 6, 95-98 (1986); translation from Zh. Vychisl. Mat. Mat. Fiz. 26, No. 11, 1748-1751 (1986).
Reviewer: H.Marcinkowska
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On the transfer from infinity of admissible boundary conditions for systems of linear ordinary differential equations with a large parameter. (English. Russian original) Zbl 0716.34063

U.S.S.R. Comput. Math. Math. Phys. 27, No. 3, 132-146 (1987); translation from Zh. Vychisl. Mat. Mat. Fiz. 27, No. 6, 847-866 (1987).
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An iterational method of solving an inverse problem for the wave equation in a segment. (English. Russian original) Zbl 0699.35249

U.S.S.R. Comput. Math. Math. Phys. 27, No. 4, 40-46 (1987); translation from Zh. Vychisl. Mat. Mat. Fiz. 27, No. 7, 1022-1031 (1987).
MSC:  35R30 35L20 35B40
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The conditions for an extremum in spectral isoperimetric problems with variable boundary. (English. Russian original) Zbl 0665.49023

U.S.S.R. Comput. Math. Math. Phys. 27, No. 6, 122-129 (1987); translation from Zh. Vychisl. Mat. Mat. Fiz. 27, No. 12, 1790-1801 (1987).
MSC:  49K20 35P05 93C20 49R50 35J15 74K20 74K15
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On the limit possibilities of second-order measurement transducers. (English. Russian original) Zbl 0664.93075

U.S.S.R. Comput. Math. Math. Phys. 27, No. 3, 192-196 (1987); translation from Zh. Vychisl. Mat. Mat. Fiz. 27, No. 6, 935-939 (1987).
MSC:  93E10 93B17 93C15
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Difference schemes of second-order of accuracy for the equations of the one-dimensional motion of a viscous gas. (English. Russian original) Zbl 0664.76096

U.S.S.R. Comput. Math. Math. Phys. 27, No. 4, 46-57 (1987); translation from Zh. Vychisl. Mat. Mat. Fiz. 27, No. 7, 1032-1049 (1987).
MSC:  76N15 65N99
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Monotonic scheme of the second order of approximation for the continuous calculation of nonequilibrium flows. (English. Russian original) Zbl 0664.76067

U.S.S.R. Comput. Math. Math. Phys. 27, No. 2, 175-180 (1987); translation from Zh. Vychisl. Mat. Mat. Fiz. 27, No. 4, 585-593 (1987).
MSC:  76H05 76N15
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Freezing of the Jacobi matrix in a second order Rosenbrock method. (English. Russian original) Zbl 0664.65069

U.S.S.R. Comput. Math. Math. Phys. 27, No. 2, 41-45 (1987); translation from Zh. Vychisl. Mat. Mat. Fiz. 27, No. 3, 385-390 (1987).
MSC:  65L05 34-04 34A34
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Approximation of solutions of singularly perturbed boundary-value problems with a corner boundary layer. (English. Russian original) Zbl 0663.65094

U.S.S.R. Comput. Math. Math. Phys. 27, No. 5, 54-63 (1987); translation from Zh. Vychisl. Mat. Mat. Fiz. 27, No. 9, 1360-1374 (1987).
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Analysis of a difference scheme for the Laplace equation in a singularly perturbed region. (English. Russian original) Zbl 0663.65093

U.S.S.R. Comput. Math. Math. Phys. 27, No. 5, 165-171 (1987); translation from Zh. Vychisl. Mat. Mat. Fiz. 27, No. 10, 1527-1535 (1987).
MSC:  65N12 35J05 35K20
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Some properties of methods for the numerical integration of systems of the form \(\ddot x=f(x)\). (English. Russian original) Zbl 0663.65072

U.S.S.R. Comput. Math. Math. Phys. 27, No. 5, 149-156 (1987); translation from Zh. Vychisl. Mat. Mat. Fiz. 27, No. 10, 1504-1515 (1987).
MSC:  65L05 34A34
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A posteriori estimates of inverse operators using projection methods. (English. Russian original) Zbl 0663.65055

U.S.S.R. Comput. Math. Math. Phys. 27, No. 4, 292-294 (1987); translation from Zh. Vychisl. Mat. Mat. Fiz. 27, No. 8, 1249-1252 (1987).
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Asymptotic behaviour of the solution of a singularly perturbed boundary value problem for the system of diffusion-sorption equations. (English. Russian original) Zbl 0659.35007

U.S.S.R. Comput. Math. Math. Phys. 27, No. 1, 141-145 (1987); translation from Zh. Vychisl. Mat. Mat. Fiz. 27, No. 2, 219-225 (1987).
MSC:  35B25 35K10 35C20
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Numerical solution of a problem with an oblique derivative. (English. Russian original) Zbl 0643.65061

U.S.S.R. Comput. Math. Math. Phys. 26, No. 4, 93-95 (1986); translation from Zh. Vychisl. Mat. Mat. Fiz. 26, No. 7, 1102-1104 (1986).
Reviewer: Gy.Molnárka
MSC:  65N22 35J25
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On the non-stationary theory of internal waves. (English. Russian original) Zbl 0638.76026

U.S.S.R. Comput. Math. Math. Phys. 26, No. 4, 170-177 (1986); translation from Zh. Vychisl. Mat. Mat. Fiz. 26, No. 8, 1223-1233 (1986).
MSC:  76B55 35J25
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Vibrations of a stratified liquid in a basin of arbitrary shape. (English. Russian original) Zbl 0637.76018

U.S.S.R. Comput. Math. Math. Phys. 26, No. 3, 58-72 (1986); translation from Zh. Vychisl. Mat. Mat. Fiz. 26, No. 5, 734-755 (1986).
MSC:  76B55 76V05 35J25
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The rate of convergence of a difference scheme using the sum approximation method for generalized solutions. (English. Russian original) Zbl 0622.65081

U.S.S.R. Comput. Math. Math. Phys. 26, No. 3, 192-196 (1986); translation from Zh. Vychisl. Mat. Mat. Fiz. 26, No. 6, 941-946 (1986).
MSC:  65N12 34G10 35K20
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On one family of exact solutions of the multidimensional nonlinear heat equation. (English. Russian original) Zbl 0659.35048

U.S.S.R. Comput. Math. Math. Phys. 25, No. 2, 91-94 (1985); translation from Zh. Vychisl. Mat. Mat. Fiz. 25, No. 3, 461-466 (1985).
MSC:  35K15 35C05 82D45
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A numerical method for calculating the supersonic flow past the wings of an aircraft. (English. Russian original) Zbl 0599.76079

U.S.S.R. Comput. Math. Math. Phys. 24, No. 3, 174-183 (1984); translation from Zh. Vychisl. Mat. Mat. Fiz. 24, No. 5, 6 900-915 (1984).
MSC:  76K05 76M99
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The uniqueness of the solution of the first boundary value problem in an unbounded domain for a second-order parabolic equation. (English. Russian original) Zbl 0587.35043

U.S.S.R. Comput. Math. Math. Phys. 24, No. 5, 32-40 (1984); translation from Zh. Vychisl. Mat. Mat. Fiz. 24, No. 9, 1331-1345 (1984).
MSC:  35K15 35A05 35K65
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An inverse problem for the Helmholtz equation in a domain with unknown boundary. (English. Russian original) Zbl 0584.35030

U.S.S.R. Comput. Math. Math. Phys. 24, No. 1, 191-195 (1984); translation from Zh. Vychisl. Mat. Mat. Fiz. 24, No. 2, 309-314 (1984).
Reviewer: M.Čanak
MSC:  35J15 35R30 35A05 35A35
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A modification of the random walk over spheres algorithm which is convenient for practical application. (English. Russian original) Zbl 0573.65091

U.S.S.R. Comput. Math. Math. Phys. 24, No. 3, 197-198 (1984); translation from Zh. Vychisl. Mat. Mat. Fiz. 24, No. 5, 936-938 (1984).
MSC:  65Z05 65C05 35J25
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Conditions for global non-existence and localizations of solutions of the Cauchy problem for a class of non-linear parabolic equations. (English. Russian original) Zbl 0576.35055

U.S.S.R. Comput. Math. Math. Phys. 23, No. 6, 36-44 (1983); translation from Zh. Vychisl. Mat. Mat. Fiz. 23, No. 6, 1341-1353 (1983).
Reviewer: I.Onciulescu
MSC:  35K55 35K15 35A05
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The stability of the incomplete Galerkin method in problems of wave diffraction at a bounded body. (English. Russian original) Zbl 0569.65090

U.S.S.R. Comput. Math. Math. Phys. 23, No. 6, 136-139 (1983); translation from Zh. Vychisl. Mat. Mat. Fiz. 23, No. 6, 1501-1506 (1983).
Reviewer: V.Korneev
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On the differential operator of problems of the theory of momentless elastic shells with negative Gaussian curvature. (English. Russian original) Zbl 0563.73081

U.S.S.R. Comput. Math. Math. Phys. 23, No. 6, 120-126 (1983); translation from Zh. Vychisl. Mat. Mat. Fiz. 23, No. 6, 1477-1486 (1983).
MSC:  74K25 35P05 47F05 74B99 74H99 74S30 35L20
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A difference scheme on a non-uniform mesh for a differential equation with a small parameter in the highest derivative. (English. Russian original) Zbl 0545.65062

U.S.S.R. Comput. Math. Math. Phys. 23, No. 3, 59-66 (1983); translation from Zh. Vychisl. Mat. Mat. Fiz. 23, No. 3, 609-619 (1983).
Reviewer: L.Bakule
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A numerical method of solving the problem of the non-stationary potential flow of a fluid with movable boundaries. (English. Russian original) Zbl 0542.76017

U.S.S.R. Comput. Math. Math. Phys. 22, No. 1, 170-177 (1982); translation from Zh. Vychisl. Mat. Mat. Fiz. 22, 163-170 (1982).
MSC:  76B10
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The existence and non-existence of global solutions of boundary value problems for quasi-linear parabolic equations. (English. Russian original) Zbl 0535.35044

U.S.S.R. Comput. Math. Math. Phys. 22, No. 6, 88-107 (1982); translation from Zh. Vychisl. Mat. Mat. Fiz. 22, No. 6, 1369-1385 (1982).
Reviewer: V.Z.Enol’skii
MSC:  35K60 35A05 35K20 80A20 35B45
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Averaging of the stationary equation of heat conduction for periodic media of special structure. (English. Russian original) Zbl 0511.35011

U.S.S.R. Comput. Math. Math. Phys. 22, No. 3, 132-142 (1982); translation from Zh. Vychisl. Mat. Mat. Fiz. 22, 623-633 (1982).
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A method of separating the domains for elliptic equations with discontinuous coefficients. (English. Russian original) Zbl 0491.65056

U.S.S.R. Comput. Math. Math. Phys. 21, No. 1, 33-38 (1981); translation from Zh. Vychisl. Mat. Mat. Fiz. 21, 35-39 (1981).
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