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  • Book
  • © 2007

Wave Propagation in Infinite Domains

With Applications to Structure Interaction

Authors:

  1. Lutz Lehmann

    1. Institut für Angewandte Mechanik, Technische Universität Braunschweig, Spielmannstraße 11, Germany

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  • Presents the theoretical basics as well as important applications of a new numerical methodology for the analysis of wave propagation in infinite domains
  • Introduces a near-field part mapped via the FEM and a far-field reproduced by a modified SBFEM
  • Includes applications of various engineering fields

Part of the book series: Lecture Notes in Applied and Computational Mechanics (LNACM, volume 31)

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Table of contents (7 chapters)

  1. Front Matter

    Pages I-IX
    PDF

  2. Theory

    1. Front Matter

      Pages 5-5
      PDF

    5. Benchmark examples

      Pages 59-77

  3. Applications

    1. Front Matter

      Pages 79-79
      PDF

  4. Back Matter

    Pages 175-182
    PDF
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About this book

Wave propagation in infinite or unbounded domains is often encountered in scientific and engineering applications. Theoretical fundamentals and applications of a new numerical model which has the ability to simulate such wave propagation are presented. Attention is focused on linear waves in ideal fluids and elastic domains. Wave propagation based on scalar and vector wave equations, as well as fluid-structure interaction and soil-structure interaction is numerical simulated. The model is based on a coupled finite element/scaled boundary finite element method (FEM/SBFEM). While the FEM maps the near-field, under the immense variety of non-reflecting boundary conditions the SBFEM, developed by Wolf and Song, was chosen. It has some unique features: reduction of the spatial dimension by one without requiring a fundamental solution, no discretisation of free and fixed boundaries and interfaces between different materials, and influence of the infinite far-field could be stored in the form of matrices for further simulations (e.g., different load cases). Benchmark examples show the efficiency and accuracy of the proposed algorithm. Finally, covered fields of applications are: acoustics, dynamic behaviour of offshore wind turbines, and seismic analysis of buildings including soil-structure interaction.
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Authors and Affiliations

  • Institut für Angewandte Mechanik, Technische Universität Braunschweig, Spielmannstraße 11, Germany

    Lutz Lehmann

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Buy it now

eBook USD 84.99
Price excludes VAT (USA)
  • Available as PDF
  • Read on any device
  • Instant download
  • Own it forever
Softcover Book USD 109.99
Price excludes VAT (USA)
  • Compact, lightweight edition
  • Dispatched in 3 to 5 business days
  • Free shipping worldwide - see info
Hardcover Book USD 109.99
Price excludes VAT (USA)
  • Durable hardcover edition
  • Dispatched in 3 to 5 business days
  • Free shipping worldwide - see info

Tax calculation will be finalised at checkout

Other ways to access

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