...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Journal of offshore mechanics and arctic engineering >Computational Fluid Dynamics Simulations of Regular and Irregular Waves Past a Horizontal Semi-Submerged Cylinder
【24h】

Computational Fluid Dynamics Simulations of Regular and Irregular Waves Past a Horizontal Semi-Submerged Cylinder

机译：穿过水平半浸没圆柱体的规则波和不规则波的计算流体动力学模拟

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

Two-dimensional (2D) numerical simulations have been performed to investigate both regular and irregular waves past a fixed horizontally semisubmerged circular cylinder. The 2D simulations are carried out by solving Navier–Stokes equations discretized by finite volume method. Volume of fluid (VOF) method is employed to capture the free surface in the numerical wave tank (NWT). Validation studies have been performed by comparing the numerical results of free surface waves past the cylinder with the published experimental and numerical data. The present numerical results are in good agreement with both the experimental and the other numerical results in terms of hydrodynamic forces and free surface elevation. Subsequently, the effects of the wave height and the wavelength on wave–structure interaction are investigated by conducting numerical simulations on the regular and the irregular waves past a semisubmerged cylinder at different wave heights and the wavelengths. The averaged and maximum vertical wave forces on the cylinder increase with the increasing wave height. The numerical results for the irregular waves are compared with those induced by the regular waves in terms of the maximum and averaged vertical wave forces. When the significant wave height and the spectral peak period of the irregular waves are equal to the wave height and the wave period of the regular waves, the maximum vertical wave force induced by the irregular waves is larger than that induced by the regular waves, meanwhile, the average vertical wave forces have the contrary relationship.
机译：已经进行了二维（2D）数值模拟，以研究经过固定水平半浸没圆柱体的规则波和不规则波。通过求解用有限体积法离散化的Navier-Stokes方程进行2D模拟。流体体积（VOF）方法用于捕获数值波箱（NWT）中的自由表面。通过比较经过圆柱体的自由表面波的数值结果与公开的实验和数值数据，进行了验证研究。在流体动力和自由表面高度方面，目前的数值结果与实验结果和其他数值结果都非常吻合。随后，通过对在不同波高和波长下通过半浸没圆柱体的规则波和不规则波进行数值模拟，研究了波高和波长对波结构相互作用的影响。圆柱体上的平均垂直波力和最大垂直波力随波高的增加而增加。就最大和平均垂直波力而言，将不规则波的数值结果与规则波的数值结果进行了比较。当不规则波的有效波高和频谱峰值周期等于规则波的波高和波峰周期时，不规则波所引起的最大垂直波力要大于规则波所引起的最大垂直波力。 ，平均垂直波力具有相反的关系。

著录项

  • 来源
    《Journal of offshore mechanics and arctic engineering》 |2018年第3期|031801.1-031801.11|共11页
  • 作者

    Shengnan Liu; Muk Chen Ong; Charlotte Obhrai; Sopheak Seng;

  • 作者单位

    Department of Mechanical and StructuralEngineering and Materials Science,University of Stavanger,Stavanger 4036, Norway;

    Department of Mechanical and StructuralEngineering and Materials Science,University of Stavanger,Stavanger 4036, Norway;

    Department of Mechanical and StructuralEngineering and Materials Science,University of Stavanger,Stavanger 4036, Norway;

    Research Department,Bureau Veritas,Neuilly-sur-Seine 4036, France;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Waves; Simulation; Cylinders;

    机译：波浪;模拟;圆柱体;

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号