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China Ocean Engineering

, Volume 32, Issue 6, pp 646–654 | Cite as

A Fully Nonlinear HOBEM with the Domain Decomposition Method for Simulation of Wave Propagation and Diffraction

  • Sheng-chao Jiang
  • Ze-hang Shi
  • Chao Song
  • Gui-yong ZhangEmail author
  • Guo-qiang Tang
Article
  • 22 Downloads

Abstract

A higher-order boundary element method (HOBEM) for simulating the fully nonlinear regular wave propagation and diffraction around a fixed vertical circular cylinder is investigated. The domain decomposition method with continuity conditions enforced on the interfaces between the adjacent sub-domains is implemented for reducing the computational cost. By adjusting the algorithm of iterative procedure on the interfaces, four types of coupling strategies are established, that is, Dirchlet/Dirchlet-Neumman/Neumman (D/D-N/N), Dirchlet-Neumman (D-N), Neumman-Dirchlet (N-D) and Mixed Dirchlet-Neumman/Neumman-Dirchlet (Mixed D-N/N-D). Numerical simulations indicate that the domain decomposition methods can provide accurate results compared with that of the single domain method. According to the comparisons of computational efficiency, the D/D-N/N coupling strategy is recommended for the wave propagation problem. As for the wave-body interaction problem, the Mixed D-N/N-D coupling strategy can obtain the highest computational efficiency.

Key words

fully nonlinear boundary element method domain decomposition method wave propagation wave diffraction 

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Notes

Acknowledgments

The first author acknowledges the Supercomputer Center of Dalian University of Technology for providing computing resources.

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Copyright information

© Chinese Ocean Engineering Society and Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  • Sheng-chao Jiang
    • 1
    • 2
  • Ze-hang Shi
    • 1
  • Chao Song
    • 3
  • Gui-yong Zhang
    • 1
    Email author
  • Guo-qiang Tang
    • 1
  1. 1.School of Naval Architecture, State Key Laboratory of Structural Analysis for Industrial EquipmentDalian University of TechnologyDalianChina
  2. 2.Department of Civil and Environmental EngineeringNational University of SingaporeSingaporeSingapore
  3. 3.Network and Information CenterDalian University of TechnologyDalianChina

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