In ocean engineering realm, fluid drags are computed by Morison equation with drag coefficient defined by a function of Renold number and attack Angle.
在海洋工程领域，计算软管流体阻力采用莫里逊公式，其中阻力系数是双参数迎角和雷诺数的函数。
The combination of a N-S equation flow solver with a nonlinear optimization method is used to design a new airfoil with high ratio of lift over drag.
使用解析形状函数法和参数化翼型表示方法，将求解绕翼型流场的N S方程解与优化方法相结合，可设计出新的高升阻比翼型。
Based on the test results and movement equation established, the relationship between drag coefficient and tubular shape is obtained and the drag force imposed on pipe is calculated.
根据试验结果和建立的运动方程，获得阻力系数与圆管形状的关系，并计算了圆管所受到的拖曳力。
The effective length of the drag line will be obtained by solving the reverse catenary equation and then the expression of trajectory in actual state will be derived.
通过对反悬链方程的求解推求有效缆长，继而得出了实际状态下的轨迹表达式。
The variation equation of the satellite orbit elements under both J2 and drag perturbations was derived based on the Gauss perturbation equation.
基于高斯摄动方程，推导了卫星在同时考虑J2和大气摄动情况下的轨道根数变化方程。
The variation equation of the satellite orbit elements under both J2 and drag perturbations was derived based on the Gauss perturbation equation.
基于高斯摄动方程，推导了卫星在同时考虑J2和大气摄动情况下的轨道根数变化方程。
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