基于CFD的中低速Wigley船模粘性阻力分析
Analysis of viscous resistance of medium and low speed Wigley ship model based on CFD
投稿时间:2019-01-14  修订日期:2019-09-25
DOI:
中文关键词:  粘性阻力  CFD  Wigley船模  ITTC
英文关键词:Viscous resistance  CFD  Wigley model  ITTC
基金项目:基于数据和机理分析的工业过程系统多尺度协同建模与控制及其在船舶脱硝系统中的应用
作者单位E-mail
许媛媛 上海海事大学 yyxu@shmtu.edu.cn 
吕彩霞 上海海事大学  
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中文摘要:
      船舶阻力性能对船型参数的确定、船体结构的设计有重要影响。本文以Wigley船模为研究对象,采用CFD方法建立了行船阻力分析系统,以实际海况数据为依据,确定较准确的参数和边界条件,分析了不同航速(傅汝德数)下的低速行船阻力,并与理论公式对比分析。仿真测试结果表明:在实际海况数据下,CFD数值模拟阻力与理论ITTC公式计算的阻力误差在2%以内且发展趋势一致。本文的研究为采用CFD研究行船阻力奠定基础。
英文摘要:
      Ship resistance performance has a significant impact on the change of ship type parameters and hull structure design. In this paper, the Wigley ship is taken as the research object, and the ship resistance analysis system is established with CFD method. Based on the actual data in sea, the low speed ship resistance at different speed ( -Froude number -) is analyzed and compared with the theoretical formula to obtain accurate parameter and boundary conditions. The results show that with the actual sea data, the development trends for both CFD numerical simulation and the theoretical ITTC formula are the same. The resistance error between CFD and the theoretical ITTC formula is only about 2%.The research lays a foundation for the study of sailing resistance by CFD.
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