Finite Element and Discontinuous Galerkin Methods for Transient Wave Equations (Scientific Computation)

  • Title: Finite Element and Discontinuous Galerkin Methods for Transient Wave Equations (Scientific Computation)
  • Author: Gary Cohen Sebastien Pernet
  • ISBN: null
  • Page: 408
  • Format: Kindle Edition
  • Finite Element and Discontinuous Galerkin Methods for Transient Wave Equations Scientific Computation 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 the
    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 analyThis 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 simulationof waves.

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      Posted by:Gary Cohen Sebastien Pernet
      Published :2020-04-05T15:42:31+00:00

    About Gary Cohen Sebastien Pernet


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