It is proved that the motion of the filament - like vortex is governed by a law of curvature flow in 3 dimensions.
证明了在3维情形，线状涡漩的运动服从一个曲率流方程。
We present a smoothing algorithm based on the main direction combined with mean curvature flow and normal filter method.
本文主要提出了基于主方向的平滑算法，并结合平均曲率流算法和法向滤波算法进行了改进。
The paper presents a smoothing algorithm based on the main direction combined with the mean curvature flow and the normal filter method.
该文给出了基于主方向的平滑算法，并结合平均曲率流算法和法向滤波算法进行了改进。
In this paper, we discuss Laplacian smoothing and modified methods, mean curvature flow, PDE method and the smoothing method based on directions.
在文中，分别讨论了拉普拉斯平滑及其改进算法、平均曲率流、PDE方法及基于方向的平滑算法。
An improved streamline curvature numerical method is modified and applied to better approximate the flow fields of multi-stage transonic axial compressors.
本文采用改进的流线曲率法对跨声速多级轴流压气机非设计点进行了性能模拟。
In this paper a turbulent curved channel flow was studied with the direct numerical simulation. The main objective way to investigate the influence of curvature on the turbulence.
本文采用直接数值模拟的方法对弯槽湍流进行了研究，主要目的是研究流向曲率对湍流流动情况的影响。
The second order perturbation solution for the flow of power-law fluid in stillness a helical pipe is obtained with curvature and torsion as small parameter.
以曲率和挠率为小参数得到螺旋管道内幂律流体流动的二阶摄动解。
According to the calculated result and experimental data, this flow rate distribution is mainly caused by the influence of the curvature of streamline on the flow field.
结合计算结果与实验结果认为，流线弯曲程度对流动的影响是产生这种流量分布趋势的原因。
The focus of the study lay in the relationship between the erosion and the average velocity, flow direction, the curvature of the elbow and so on.
重点研究了平均流速、流动方向、曲率半径和管道直径等对冲蚀的影响。
The effects of curvature and torsion on secondary flow, isoline of stream function and distribution of the axial velocity of flow were discussed.
讨论了曲率和挠度对二次流动、流函数等值线和轴向速度的影响，研究了不同曲率和挠度螺旋管道内流量与压力梯度之间的关系。
Using the streamline curvature method and the full radial equilibrium equations, the duct flow calculations of an axial_flow fan are presented in this paper.
采用流线曲率法，计算完全径向平衡方程，求出轴流通风机轴向间隙的气流分布。
The unsteady flow request a higher quality in grid so in this article the Cartesian grid is generated based on geometric and the body curvature.
为了适应非定常流场对网格品质要求较高的特点，网格生成采用了基于几何外形、模型表面曲率为基础的自适应生成及加密方法。
An improved streamline curvature numerical method is modified and applied to better approximate the flow fields of multi-stage transonic axial compressors.
本文采用改进的流线曲率法+对跨声速多级轴流压气机非设计点进行了性能模拟。
This paper is concerned with a turbulence mathematical model under orthogonal curvilinear coordinates including the effects of streamline curvature on turbulent flow.
考虑弯曲边界曲率效应对水流水力特性的影响，建立了正交曲线坐标系下的紊流数学模型。
Conclusions Unequal va flow is an important haemodynamic factor for ba curvature, increasing the vertebrobasilar junctional infarcts.
结论椎动脉流速不对称是基底动脉弯曲的重要血流动力学因素，这增加椎基底动脉连接部的脑梗死。
Objective To investigate the effects of unequal vertebral artery(VA) blood flow on the pontine or cerebellar infarcts between the basilar artery(BA) curvature and the vertebrobasilar arteries.
目的探讨椎动脉优势对基底动脉弯曲及椎基底动脉连接部位脑桥和小脑梗死的影响。
Moreover we found the rule of distribution of pressure on wall surface and discussed the influence of rate of curvature and gradient of pressure on the characteristics of spill flow hydraulics.
同时给出了壁面压强分布的规律和探讨了壁面曲率和压强梯度对溢流水力特性的影响。
When the jet is injected at negative injection angles, it disarranges the flow upstream and the curvature of jet trajectories varies smartly along the flow direction.
射流反向倾斜入射，对上游流场的扰动增加，射流在弯曲段内曲率变化大。
The practical parameter of a helical pipe was used to proceed to calculation. The relation between flow flux and pressure gradient in different curvature and torsion a helical pipe is studied.
利用螺旋管的实际参数进行了计算，研究了不同曲率和挠率螺旋管道内流量与压力梯度之间的关系。
The practical parameter of a helical pipe was used to proceed to calculation. The relation between flow flux and pressure gradient in different curvature and torsion a helical pipe is studied.
利用螺旋管的实际参数进行了计算，研究了不同曲率和挠率螺旋管道内流量与压力梯度之间的关系。
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