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Finite–Element Modelling of Unbounded Media

Autor JP Wolf
en Limba Engleză Hardback – 9 iun 1996
Dynamic unbounded medium-structure interactions occur in many fields of engineering and physical science, such as wave propagation in soil-structure and fluid-structure interactions, acoustics and electromagnetism and as diffusion in heat conduction and consolidation. This book presents three novel concepts, based on the finite-element methodology, to model the unbounded medium:
  1. The consistent infinitesimal finite-element cell method, a boundary finite-element procedure, requires the discretization of the structure-medium interface only and is exact in the finite-element sense. It is applied to unbounded media governed by the hyperbolic, parabolic and elliptic differential equations.
  2. The damping-solvent extraction method permits the analysis of a bounded medium only.
  3. The doubly-asymptotic multi-directional transmitting boundary is exact for the low- and high-frequency limits at preselected wave propagation directions.
All concepts are explained using simple examples that the reader can follow step by step. A computer program of the consistent infinitesimal finite-element cell method available on disk analyses two- and three-dimensional unbounded and bounded media for the scalar and vector wave equations and the diffusion equation in the frequency and time domains.
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Specificații

ISBN-13: 9780471961345
ISBN-10: 0471961345
Pagini: 350
Dimensiuni: 180 x 249 x 24 mm
Greutate: 0.79 kg
Editura: Wiley
Locul publicării:Chichester, United Kingdom

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Descriere

Dynamic unbounded medium-structure interactions occur in many fields of engineering and physical science, such as wave propagation in soil-structure and fluid-structure interactions, acoustics and electromagnetism and as diffusion in heat conduction and consolidation.