Difference Schemes with Operator Factors: 546 (Mathematics and Its Applications) - Softcover

Samarskii, A.A.; Matus, P.P.; Vabishchevich, P.N.

 
9789048161188: Difference Schemes with Operator Factors: 546 (Mathematics and Its Applications)
Softcover
ISBN 10: 9048161185 ISBN 13: 9789048161188
Verlag: Springer, 2010

Inhaltsangabe

Two-and three-level difference schemes for discretisation in time, in conjunction with finite difference or finite element approximations with respect to the space variables, are often used to solve numerically non­ stationary problems of mathematical physics. In the theoretical analysis of difference schemes our basic attention is paid to the problem of sta­ bility of a difference solution (or well posedness of a difference scheme) with respect to small perturbations of the initial conditions and the right hand side. The theory of stability of difference schemes develops in various di­ rections. The most important results on this subject can be found in the book by A.A. Samarskii and A.V. Goolin [Samarskii and Goolin, 1973]. The survey papers of V. Thomee [Thomee, 1969, Thomee, 1990], A.V. Goolin and A.A. Samarskii [Goolin and Samarskii, 1976], E. Tad­ more [Tadmor, 1987] should also be mentioned here. The stability theory is a basis for the analysis of the convergence of an approximative solu­ tion to the exact solution, provided that the mesh width tends to zero. In this case the required estimate for the truncation error follows from consideration of the corresponding problem for it and from a priori es­ timates of stability with respect to the initial data and the right hand side. Putting it briefly, this means the known result that consistency and stability imply convergence.

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Reseña del editor

Two-and three-level difference schemes for discretisation in time, in conjunction with finite difference or finite element approximations with respect to the space variables, are often used to solve numerically non­ stationary problems of mathematical physics. In the theoretical analysis of difference schemes our basic attention is paid to the problem of sta­ bility of a difference solution (or well posedness of a difference scheme) with respect to small perturbations of the initial conditions and the right hand side. The theory of stability of difference schemes develops in various di­ rections. The most important results on this subject can be found in the book by A.A. Samarskii and A.V. Goolin [Samarskii and Goolin, 1973]. The survey papers of V. Thomee [Thomee, 1969, Thomee, 1990], A.V. Goolin and A.A. Samarskii [Goolin and Samarskii, 1976], E. Tad­ more [Tadmor, 1987] should also be mentioned here. The stability theory is a basis for the analysis of the convergence of an approximative solu­ tion to the exact solution, provided that the mesh width tends to zero. In this case the required estimate for the truncation error follows from consideration of the corresponding problem for it and from a priori es­ timates of stability with respect to the initial data and the right hand side. Putting it briefly, this means the known result that consistency and stability imply convergence.

Reseña del editor

This book reflects the modern level of the theory of problem-solving differential methods in mathematical physics. The main results of the stability and convergence of the approximate boundary problem solving for many-dimensional equations with partial derivatives are obtained in the works of Russian scientists and are practically not covered in the monograph and textbooks published in the West. At the present time the main attention in computational mathematics is paid to the theory and practice of the method of finite elements. The books available in English are oriented to the basic training of specialists.
The book is intended for specialists in numerical methods for the solution of mathematical physics problems; the exposition is easily understood by senior students of universities.

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Verlag
Springer
Erscheinungsdatum
2010
Sprache
Englisch
ISBN 10 
9048161185
ISBN 13 
9789048161188
Einband
Tapa blanda
Anzahl der Seiten
400
Kontakt zum Hersteller
Nicht verfügbar
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