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Numerical investigation of wave-structure interaction using OpenFOAM

机译:使用OpenFOAM进行波结构相互作用的数值研究

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摘要

The present work is focused on the assessment of how OpenFOAM performs when applied to non-linear wave interactions with offshore structures for ranges of wave conditions. New modules have been further extended to advance the wave generation and wave absorbing capabilities of the code. The numerical results for wave interactions with a vertical surface piercing cylinder have been compared with physical experiments performed at Danish Hydraulic Institute (DM). Comparisons between the numerical results and the measured data for three regular waves and four focused wave groups, have indicated that OpenFOAM is very capable of accurate modelling of nonlinear wave interaction with offshore structures, with up to 4th order harmonic correctly captured. Moreover, by using the crest-trough phase-based separation method, we can reproduce harmonic structure in the wave loading on the structure and free surface elevations.
机译:目前的工作集中在评估OpenFOAM在应用于波浪条件范围内的非线性波浪与海上结构的波浪相互作用时的性能。新模块已得到进一步扩展,以提高代码的电波生成和电波吸收能力。波浪与垂直表面穿孔圆柱体相互作用的数值结果已经与丹麦水工研究所(DM)进行的物理实验进行了比较。对三个规则波和四个聚焦波组的数值结果和实测数据的比较表明,OpenFOAM非常有能力精确建模非线性波与海上结构的相互作用,并能正确捕获多达四阶谐波。此外,通过使用基于波谷相的分离方法,我们可以在结构上的波浪载荷和自由表面高程上重现谐波结构。

著录项

  • 来源
    《Ocean Engineering》 |2014年第15期|91-109|共19页
  • 作者单位

    Department of Architecture and Civil Engineering, University of Bath, Bath BA2 7AY, UK;

    Department of Architecture and Civil Engineering, University of Bath, Bath BA2 7AY, UK;

    Department of Mechanical Engineering, University of Bath, Bath BA2 7AY, UK;

    Edenvale Young Associates Ltd., St Nicholas House, 31-34 High Street, Bristol BS1 2AW, UK;

    Department of Mechanical Engineering, University of Bath, Bath BA2 7AY, UK;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    OpenFOAM; Nonlinear wave-structure interactions; Wave loading; Spectral decomposition;

    机译:OpenFOAM;非线性波结构相互作用;波浪载荷;光谱分解;

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