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DualSPHysics: A numerical tool to simulate real breakwaters

  • Special Column on SPHERIC2017 (Guest Editors Mou-bin Liu, Can Huang, A-man Zhang)
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Abstract

The open-source code DualSPHysics is used in this work to compute the wave run-up in an existing dike in the Chinese coast using realistic dimensions, bathymetry and wave conditions. The GPU computing power of the DualSPHysics allows simulating real-engineering problems that involve complex geometries with a high resolution in a reasonable computational time. The code is first validated by comparing the numerical free-surface elevation, the wave orbital velocities and the time series of the run-up with physical data in a wave flume. Those experiments include a smooth dike and an armored dike with two layers of cubic blocks. After validation, the code is applied to a real case to obtain the wave run-up under different incident wave conditions. In order to simulate the real open sea, the spurious reflections from the wavemaker are removed by using an active wave absorption technique.

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Acknowledgement

This work was supported by the Xunta de Galicia (Spain) under project ED431C 2017/64 "Programa de Consolidación e Estructuración de Unidades de Investigación Competitivas (Grupos de Referencia Competitiva)" co-funded by European Regional Development Fund (FEDER) and under project "NUMANTIA ED431F 2016/004". The work is also funded by the Ministry of Economy and Competitiveness of the Government of Spain under project "WELCOME ENE2016-75074-C2-1-R".

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Authors and Affiliations

  1. College of Ocean and Earth Science, Xiamen University, Xiamen, 361005, China

    Feng Zhang  (张峰) & Shao-ping Shang  (商少平)

  2. Environmental Physics Laboratory, Universidade de Vigo, Ourense, Spain

    Alejandro Crespo, José Domínguez & Moncho Gómez-Gesteira

  3. Department of Mobility and Public Works, Ghent University, Ghent, Belgium

    Corrado Altomare

  4. Flanders Hydraulics Research, Antwerp, Belgium

    Corrado Altomare

  5. Laboratory of Maritime Engineering, Universitat Politècnica de Catalunya, Barcelona, Spain

    Andrea Marzeddu

Authors
  1. Feng Zhang  (张峰)
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  2. Alejandro Crespo
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  3. Corrado Altomare
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  4. José Domínguez
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  5. Andrea Marzeddu
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  6. Shao-ping Shang  (商少平)
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  7. Moncho Gómez-Gesteira
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Corresponding author

Correspondence to Shao-ping Shang  (商少平).

Additional information

Project supported by the National Key R&D Program of China (Grant No. 2017YFC1404801).

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Zhang, F., Crespo, A., Altomare, C. et al. DualSPHysics: A numerical tool to simulate real breakwaters. J Hydrodyn 30, 95–105 (2018). https://doi.org/10.1007/s42241-018-0010-0

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  • DOI: https://doi.org/10.1007/s42241-018-0010-0

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