| 1. | Complex velocity potential 复数速度势 |
| 2. | Northern oscillation index defined based on stream function and velocity potential of atmospheric movement and its application 速度势定义的北方涛动指数及其应用 |
| 3. | This paper has adopted the low - order surface panel method based on velocity potential to predict the unsteady performance of propeller 本文采用基于速度势的低阶面元法进行螺旋桨非定常性能的预报。 |
| 4. | In this thesis , the steady performance of ducted propeller in uniform flow is predicted by surface panel method 本文应用基于扰动速度势的低阶面元法,拟计算导管螺旋桨在均匀流场中的定常水动力性能。 |
| 5. | We first calculate the velocity potential between two adjacent time - steps and obtain the inertia force and added mass through integration 本文通过直接求解船在变速运动时两个相邻时刻的速度势,进而积分得到附加惯性力及附加质量。 |
| 6. | The rayleigh - taylor ( rt ) instability in cylindrical and spherical geometries was analized in this thesis , based upon velocity potential theory 本论文利用速度势理论对柱和球几何中不可压缩流体的rayleigh - taylor ( rt )不稳定性进行了研究。 |
| 7. | The symmetrical part uses the source distribution on the center plane of the body whereas the asymmetrical part is achieved through the doublet distribution on the camber surface 求解完毕得到速度势后,对其求一阶导数得到物面上的速度分布,进而通过伯努利方程求出物面上的压力分布。 |
| 8. | 5 ) the features of the olr and velocity potential ( x ) mjo spreading eastward , northeastward ( wnp ) and southeastward ( wsp ) are researched on the climatic and interannual scale 5 )用改进了的复经验正交函数( ceof )方法分析了从赤道印度洋到西太平洋然后向正东、东北、东南三条路经上的olr及速度势x的季内振荡传播特征。 |
| 9. | This paper firstly analyses the limitations of traditional potential field methods in dynamic environment , and based on this analysis , the traditional potential field is improved by introducing the concept of velocity potential field 摘要分析了传统势场法在动态环境下的不足,并在此基础上引入了速度势场的概念,改进了传统的势场函数,推导出新的引力函数和斥力函数。 |
| 10. | Comparisons are made between present method and published results for a wall and non - wall sided circular cylinder in heave and sway . theoretical and numerical results for two - dimensional wave generated by rocker flap wavemaker are also given . in all cases the comparisons are excellent 作为算例,文中分别计算了圆柱与水面直交和斜交时的水动力系数以及摇板造波问题的速度势,计算结果与文献值和理论值符合的较好。 |