基本函数是速度势。
基本函数是速度势。
最后给出了一个方形扭曲管的复速度势计算实例。
Finally, we give as an example the calculation of complex velocity potential for a twisted duct with square cross-section.
建立了浮堤与波浪相互作用的数学模型，求解各部分流域速度势。
Mathematical model of wave interaction with floating breakwater was built and velocity potentials are calculated.
基于流体速度势，本文导出了非线性晃动问题的ALE有限元格式。
Based on fluid velocity potential, an ALE finite element formulation for the analysis of nonlinear sloshing problems has been developed.
计算了自由面的速度势、自由表面波高时间历程和物体受到的波浪力。
The potentials on the free surface, the time histories of wave elevations and wave forces on the body are calculated.
本文的关键是通过求解二阶绕射速度势获得三维移动物体的二阶倍频波浪力。
The key of this paper is the solution of the second-order double-frequency wave exciting force for a floating body sailing in waves by solving second-order diffraction potential.
本文建立了扰动速度势面元法预报螺旋桨表面非定常压力分布的理论和数值方法。
This paper sets the theoretical and numerical method predicting the unsteady pressure distribution on the propeller blade surface by using perturbation potential based on surface panel method.
基于速度势理论，研究了水中桩基圆形承台作水平简谐运动时，承台侧面的动水压力。
Basing on the potential theory, hydrodynamic pressure on the side of circular pile cap with harmonic horizontal movement was investigated.
在计算出结点的速度势或流函数的同时，可直接求出结点速度，提高了速度的计算精度。
The calculation of the velocity potentials or the stream functions of the joints leads to a direct solution to the velocities of the joints and the accuracy of the calculation is improved as well.
运用摄动方法，给出了速度势的四阶近似，然后得到了圆柱表面的无量纲的压力系数和阻力系数。
Using the perturbation method we have got the fourth order of approximation of the velocity potential to the problem.
该方法基于势流理论，考虑门桥的漕渡速度和水流速度，通过坐标变换，确定了速度势的适定性条件。
Based on potential flow theory, current velocity and ferrying velocity is considered. Confirmative conditions of the velocity potential are established by means of transforming coordinates.
该文应用低阶速度势面元法建立了预报三维水翼水动力性能的数值方法，重点对翼梢和尾涡进行了研究。
A potential-based surface panel method is applied to predicting the performance for three-dimensional hydrofoils, with emphasis on the tip region.
为了分析鳍对吊舱推进器水动力性能的影响，用基于速度势的低阶面元法预报附鳍吊舱推进器的定常水动力性能。
In order to analyze the influence of fins, a low-order panel method based on velocity potential was used to predict the steady hydrodynamic performance of a podded propeller with fins.
首先分析了格林函数的场点源点对称性和几何对称性，并由此入手，对对称性在速度势求解矩阵中的应用进行了分析。
Firstly, the Green function's source point and field point symmetry and geometry symmetry are discussed, and based on these, symmetry properties used in the matrix solving are discussed.
用解析方法计算V形贯底式防波堤在波浪绕射作用下周围流域任意点的速度势，研究波浪作用在V形贯底式防波堤上的波浪力。
An analytical method is developed to study wave potential in the fluid domain around V-shaped bottom-mounted breakwater in order to determine the wave pressure exerted on it in this paper.
在进行亚音速气动分析时，应用线化速度势理论计算运载器的气动力系数，而后进行回归分析，得到运载器亚音速飞行时的气动特性模型。
For subsonic aerodynamic analysis, Linearized Velocity Potential Theory is used to evaluate the aerodynamic coefficient, and we can get subsonic aerodynamic model of vehicle by Regression analysis.
趺阳脉与关脉相比，脉位比关脉浅，而脉势强于关脉。趺阳脉的灌注时间较长，血管灌注速度较快。
Compared with the Guan pulse, the pulse position of arteria dorsalis pedis is lower and strength is stronger, the filling time is longer and filling velocity is quicker.
由于所得的总引力质量低于过去的光学测量结果，我们推测群成员NGC 1400之所以具有极大的本动速度，很可能是因为它在星系群的引力势作用下尚未达到最终的平衡状态。
Since the obtained total mass is lower than those given in the earlier galaxy kinematic works, we speculate that NGC 1400 is not a virialized member in the group's gravitational potential well.
从理论解可以看出，探头电极间的感应电动势与来流速度之间呈明显的线性关系。
The theoretical solutions show a clear linear relationship between the flow induced potential produced on the probe electrodes and the approach velocity.
将该方法与人工势场法相结合，同时在人工势场避障区的划分中引入机器人自身速度。
Unify this method and the artificial potential field method, simultaneously in the artificial potential field obstacle avoidance area in the division to introduce robot own speed.
通过对硬盘主轴马达的反电动势与马达转速之间关系的分析，提出一种利用马达的反电动势信号跟踪马达转动速度变化，产生系统伺服写入时钟信号的方法。
By analyzing relation between BEMF of the hard disk spindle motor and the rotate speed. This paper presents a new method of following the motor rotate speed by PLL to lock BEMF.
仿真结果表明，所提出的无网侧电动势传感器控制技术具有良好的辨识速度，且辨识精度高，系统鲁棒性强。
Simulation results show that the designed source voltage sensorless control technology has a good recognition rate, and high identification precision, a strong robustness.
仿真结果表明，所提出的无网侧电动势传感器控制技术具有良好的辨识速度，且辨识精度高，系统鲁棒性强。
Simulation results show that the designed source voltage sensorless control technology has a good recognition rate, and high identification precision, a strong robustness.
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