查询词典 motion equation

By applying Frenchet derivative analysis, the iteration formula is derived to solve the constrained functional minimization problem, essentially the formula is a level set equation, in which the motion velocity of the level set is the shape sensitivity of material interfaces.

这样就把材料界面表示为一组高维函数的水平集，使拓扑优化问题转化为材料界面追踪问题，这时材料界面的形状敏度就(来源：9aABb5C论文网www.abclunwen.com)是水平集的运动速度。

We treat the superconductivity electron as Brownian motion particle in period potential, by using matrix continued fraction method. We solve the corresponding Fokker-Planck equation of electron and obtain the Voltage-Current Characteristics of Josephson Junctions with thermal fluctuations.

我们将超导电子视作在其位相形成的周期势场中作布朗运动，并利用矩阵连分法求解相应的Fokker--Planck方程，得到Josephson结在热涨落存在时的Ⅰ-Ⅴ特性曲线，计算结果与实验相符合。

The ones, including conservation of mass, conservation of energy, Newtonian equations of motion, conservation of electric charge, linear momentum principle, continuity equation and Maxwell equations for electromagnet etc., are suitable to all substances. They are universal laws in nature.

连续介质力学的基本方程可分为两类：一类适用于所有物体，构成了自然界的普适规律，如质量守恒、能量守恒、电荷守恒，牛顿运动方程，马克斯威尔电磁学方程、熵产率恒正原理等。

A numerical simulation to the whole motion differential equation is finished, and a continuous angular displacement curve of micro reflectmirror is obtained.

通过对该模型的完整机电动力学微分方程数值求解所作的运动仿真，得到了微镜基板的连续角位移曲线，表明该装置具有良好的光束稳定特性

The inertia force and coriolis force are calculated to draw deviation for opposite balance, fall and plane motions close to the earth, based on the particle motion differential equation to no-inertial frame of reference.

在质点对非惯性参考系的运动微分方程的基础上，计算惯性离心力和科里奥利力对地球表面附近物体的相对平衡，落体运动和平面运动引起的偏差。

When effect of the lift force on the motion of particles near a plane wall is taken into account, a corresponding Fokker-Planck equation is developed.

考虑了近壁处升力对颗粒随机运动过程的影响后，建立了有升力影响时颗粒分布函数所满足的方程。

Firstly, this paper introduced the equation of motion and the decouple principle of energy method.

首先介绍发动机悬置系统和能量法解耦。

The dynamic load sharing property model is built, and the motion differential equation is derived.

采用傅立叶法求解得到了系统的动载系数和动力学载荷分布不均匀系数。

The cobweb model that basically debated price wave motion respectively in the light of different situation, differential kinetic model and difference distribute equation model.

主要针对不同情况分别讨论了价格波动的蛛网模型、微分动力学模型及差分方程模型。

The forward kinematics is analyzed by choosing one of the mechanisms which have one, two,three or zero angle constraint.Wherein,3-CCC is a new parallel mechanism which has three angle constraints and three distance constraints, Calay\'s formular and direction cosine matrix are used to describe the rotation matrix respectively.By setting Dixon\'s and Sylvester\'s resultant with the three angle constraint equations respectively and using parameters replacement to deal with the distance constraint equations,the 64 order input-output equation of the forward kinematics is obtained under both of the methods.Numerical example confirms these theretical results and the motion simulation is shown in VC++ by integrating OpenGL.

3对高小山提出的广义并联机构进行了研究，以其中具有角度约束的并联机构进行了分析，选取具有一个、两个、三个和零个角度约束类型中各一个机构进行了运动学正解求解，其中3-CCC是一种全部由圆柱副构成的具有三个线线角度和三个距离约束的新型并联机构，文中分别用Calay公式和方向余弦两种旋转矩阵建模方法对其位置正解进行了分析，通过对三个角度约束方程分别构造Dixon结式和Sylvester结式，以及对三个距离约束方程进行变量代换分别导出了位置正解输入输(来源：4040ABC论文网www.abclunwen.com)出方程，得出64组位置正解，并使用数值算例验证了其全部根。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。