期刊文献+

低耗散E-CUSP格式性能分析及大攻角分离流数值模拟

Performance analysis of low power dissipation E-CUSP scheme and numerical simulation of separated flow at high angle of attack
下载PDF
导出
摘要 为了降低舰艇在高速航行时受到的空气和海浪阻力,船型的设计必须要符合流体动力学特性。由于舰艇的几何外型越来越复杂,促使研究人员寻找精度更高、收敛速度更快的CFD计算方法。经过几十年的发展,CFD计算方程和计算格式发展迅速,产生了拉普拉斯方程、欧拉方程、小扰动速势方程、通量差分分裂迎风格式等,在航空航天、船舶工业、飞行器设计等领域获得了广泛的应用。本文针对高速舰艇在大攻角条件下的航行状态,利用基于Roe格式的低耗散E-CUSP迎风格式算法,对舰艇细长旋成体的流体动力学特性进行了分析和大攻角分离流数值模拟。 In order to reduce the resistance of naval ships to air and sea waves at high speed,the design of ship type must comply with the hydrodynamic characteristics.Because the geometry of ships is becoming more and more complicated,researchers are seeking to find CFD computing methods with higher precision and faster convergence speed.After decades of development,the CFD equations and the numerical format of the rapid development of the Laplasse equation,Euler equation,perturbation potentialequation,flux difference splitting upwind scheme and so on,have been applied widely in the field of aerospace,shipbuilding,aircraft design,etc..Aiming at the high-speed vessels at large angle of attack under the condition of the navigation state,using Roe format and low dispersion E-CUSP upwind algorithm based on fluid dynamics of slender body vessels were analyzed and numerical simulation of flow separation at high angles of attack.
作者 顾佳 汪应
出处 《舰船科学技术》 北大核心 2017年第18期7-9,共3页 Ship Science and Technology
基金 重庆市高等职业技术院校新技术推广资助项目(GZTG201609) 重庆市教委科学技术研究资助项目(KJ1732434)
关键词 CFD 小扰动速势方程 低耗散E-CUSP迎风格式 大攻角 数值模拟 CFD small disturbance potential equation low dissipation E-CUSP upwind scheme high angle of attack numerical simulation
  • 相关文献

参考文献5

二级参考文献24

  • 1万银坤.清华大学博士论文[M].,1998..
  • 2Odyck van,D E A.Venner C H.Stokes Flow in Thin Films[J].ASME J Tribol,2003,125:1-14.
  • 3P Y P Chen,E J Hahn.Use of computational fluid dynamics in hydrodynamic lubrication[C].Proc Instn Mech Engrs,1998,212:427-435.
  • 4T Almqvist,A Almqvist,R Larsson.A comparison between computational fluid dynamic and Reynolds approaches for simulating transient EHL line contacts[J].Tribology International,2004,37:61-69.
  • 5Ms Petra Brajdic-Mitidieri.Project:Advanced Modelling of Elastohydrodynamic Lubrication[OL].SKF Engineering & Research Centre B.V.(The Netherlands),http://www.imperial.ac.uk/tribology/academics/Spikes/spikesp26.htm2005-5-22.
  • 6Mr Markus Hartinger.Project:CFD Modelling of Elastohydrodynamic Lubrication[OL].Sponsor:SKF Engineering & Research Centre B.V.(The Netherlands),http://www.imperial.ac.uk/tribology/student/markus.htm2005-5-22.
  • 7T Almqvist,R Larsson.Some Remarks on the Validity of Reynolds Equation in the Modeling of Lubricant Film Flows on the Surface Roughness Scale[J].Journal of Tribology,2004,126,703-710.
  • 8Reynolds O.On the Theory of Lubrication and its Application to Mr Beauchamps Tower's Experiments,Including an Experimental Determination of the Viscosity of Olive Oil[J].Philos Trans R Soc London,1886,177:157-234.
  • 9San Andres L A,Vance J M.Effect of fluid inertia on squeeze-film damper forces for small-amplitude circular centered motions[J].ASLE Trans,1987,30:63-68.
  • 10Zhang J,Ellis J,Roberts J B.Observations on the nonlinear fluid forces in short cylindrical squeeze film dampers[J].ASME Trans,J Tribology,1993,115:692-698.

共引文献70

相关作者

内容加载中请稍等...

相关机构

内容加载中请稍等...

相关主题

内容加载中请稍等...

浏览历史

内容加载中请稍等...
;
使用帮助 返回顶部