Cohen Finite Element and Discontinuous Galerkin Methods for Transient Wave Equations 9789401777599

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Автор: Cohen
Название: Finite Element and Discontinuous Galerkin Methods for Transient Wave Equations
ISBN: 9789401777599
Издательство: Springer
Классификация:

Дискретная математика

Прикладная математика

Математическое моделирование

Классическая механика

Волновая механика (вибрация и акустика)

Математическая физика

Математика для инженеров

ISBN-10: 9401777594
Обложка/Формат: Hardback
Страницы: 381
Вес: 0.80 кг.
Дата издания: 2017
Серия: Scientific Computation
Язык: English
Издание: 1st ed. 2017
Иллюстрации: 39 illustrations, color; 40 illustrations, black and white; xvii, 381 p. 79 illus., 39 illus. in color.
Размер: 166 x 246 x 24
Читательская аудитория: General (us: trade)
Основная тема: Engineering
Ссылка на Издательство: Link
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Поставляется из: Германии
Описание:

This monograph presents numerical methods for solving transient wave equations (i.e. in time domain). More precisely, it provides an overview of continuous and discontinuous finite element methods for these equations, including their implementation in physical models, an extensive description of 2D and 3D elements with different shapes, such as prisms or pyramids, an analysis of the accuracy of the methods and the study of the Maxwell’s system and the important problem of its spurious free approximations. After recalling the classical models, i.e. acoustics, linear elastodynamics and electromagnetism and their variational formulations, the authors present a wide variety of finite elements of different shapes useful for the numerical resolution of wave equations. Then, they focus on the construction of efficient continuous and discontinuous Galerkin methods and study their accuracy by plane wave techniques and a priori error estimates. A chapter is devoted to the Maxwell’s system and the important problem of its spurious-free approximations. Treatment of unbounded domains by Absorbing Boundary Conditions (ABC) and Perfectly Matched Layers (PML) is described and analyzed in a separate chapter. The two last chapters deal with time approximation including local time-stepping and with the study of some complex models, i.e. acoustics in flow, gravity waves and vibrating thin plates. Throughout, emphasis is put on the accuracy and computational efficiency of the methods, with attention brought to their practical aspects.

This monograph also covers in details the theoretical foundations and numerical analysis of these methods. As a result, this monograph will be of interest to practitioners, researchers, engineers and graduate students involved in the numerical simulation

of waves.

Дополнительное описание: Classical Continuous Models and their Analysis.- The Basic Equations.- Functional Issues.- Plane Wave Solutions.- Definition of Different Types of Finite Elements.- 1D Mass-Lumping and Spectral Elements.- Quadrilaterals and Hexahedra.- Triangles and Tetr

Finite Element and Discontinuous Galerkin Methods for Transient Wave Equations, Cohen