基于重叠网格技术的双折角滑行艇阻力数值预报与验证

来源 :中国计算力学大会2018暨国际华人计算力学大会2018 | 被引量 : 0次 | 上传用户：huangyulin2007

【摘要】

：

本文针对双折角双防溅条滑行艇，基于RANS 方程，采用重叠网格技术，对滑行艇静水直航状态下的阻力及航行姿态进行预报，解决了传统运动域方法因流域随船体运动而导致自由液面倾斜失真的问题，并将计算结果与模型试验数据进行了对比，结果表明阻力及运动姿态与试验数据吻合较好，证实了文中数值模拟方法应用于高速滑行艇自由模拖曳航行数值预报的可行性。

【作者】

：

王慧倪其军李胜忠

【机构】

：

中国船舶科学研究中心,江苏无锡214082

【出处】

：

中国计算力学大会2018暨国际华人计算力学大会2018

【发表日期】

：

2018年10期

【关键词】

：

双折角滑行艇重叠网格 STAR-CCM+ 阻力特性

下载到本地 , 更方便阅读

下载此文赞助VIP

声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架

论文部分内容阅读

其他文献

mechanocatalytic production of lactic acid from carbohydrates by ball milling

会议

Splashing mechanism of drop impact on a solid substrate

Droplet impact is involved in a large number of industrial applications and natural phenomena from ink-jet printing to soil erosion.The gas influence in splashing dynamics is studied here by numerical

会议

Drop impactSplashingGas effect

基于一种高效气动弹性降阶模型的跨音速气动弹性全局优化

本文介绍了在全局层面对三维机翼的跨声速气动弹性优化方法。该方法采用遗传算法(Genetic Algorithm-GA)作为优化工具，结合一种高效的基于计算流体动力学(Computational Fluid Dynamics-CFD)的气动弹性降阶模型(Reduced Order Model-ROM)对飞机的跨音速气动弹性性能进行优化。

会议

降阶模型跨音速气动弹性结构动力重分析优化设计

Study of Efficient Global Optimization with More Accurate Solution and Its Application in Aerodynami

Subjected to the accuracy of surrogate model and premature convergence sometimes occurs,the optimal solution of traditional Efficient Global Optimization(EGO)usually can be improved.Regarding this poi

会议

Efficient Global Optimization (EGO)Expected Improvement (EI)Navier-Stokes equa

Large Eddy Simulation on the Flow Structure for Oblique Water Entry of a Cylinder under the Influenc

As for water entry problems,associated with complicated unsteady structures,few studies,involving in the influence of waves,have been conducted.In the present work,the oblique water entry problem of a

会议

Oblique water entry of regular wavesSix-degree-of-freedomLarge Eddy Simulation

Numerical Study on Hydrodynamic Perfomance of Contra-Rotating Podded Propulsion in Steering Conditio

There is always strong interference among fore propeller,rear propeller and pod body of the contra-rotating podded propulsion existing,leading to a complex flow phenomenon and a greater load on the pr

会议

Contra-rotating podded propulsionhydrodynamic characteristicsnumerical studys

Study on the influence of the relative position and wingspan on the aerodynamic performance of tande

In the mission design of the batch launch of small folding-wing UAVs by high altitude balloon at high altitude,the wing folding technology is considered to facilitate carrying and releasing and the UA

会议

Technology of releasing and launching aerocraft in near spaceTandem wing UAVAe

自由单元配点法及其在CFD中的应用

工程中常用的数值方法是有限单元法(FEM)和有限体积法(FVM)，它们分别在计算固体力学和计算流体力学领域得到了广泛的应用。然而，建立有限元法计算格式需要变分原理或能量原理，对于不同的问题所用的表达形式不同，不便于建立多场耦合问题的统一求解格式。

会议

自由单元配点法有限单元法有限体积法无网格法CFD

Numerical simulation of magnetically driven flyer plates by using compatible discretization algorith

Magnetically driven flyer plates are widely used in experiments of shock dynamics and high energy density physics for investigations of material equation of states under extreme conditions.In this wor

会议

Magneto-hydrodynamicsLagrangian hydrodynamicsCompatible discretization algorit

Symmetry preserving Lagrangian hydrodynamics in 2D r-z staggered coordinates

The study of cylindrical symmetric flow is significant in Langrangian simulations of implosion or explosion problems.In this paper,we present an area-weighted compatible Lagrangian scheme in 2D cylind

会议

area-weightedcompatiblesymmetrystaggered

基于重叠网格技术的双折角滑行艇阻力数值预报与验证

与本文相关的学术论文