广义坐标

For every buttress a generalized coordinate and a shape function are assigned to describe its lateral displacement.

为了描述各支墩的侧向变位，对每个支墩都设定一个广义坐标和形状函数。

For linear systems,the goal could be reached by controlling a set of generalized coordinates of the system.

分析分析了对多自由度系统采用多个单输入单输出的控制方法的条件，即控制线性系统的一组广义坐标来达到控制整个系统的目的。

This model shows the mapping relation between generalized forces and generalized coordinates.

基于以上的观点，得到了适用于少自由度并联机构的静刚度模型，该模型体现了广义力和广义坐标之间的映射。

Nonholonomic constraint is the constraint that contains time derivatives of the generalized coordinates of the system and is not integrable.

非完整约束是指含有系统广义坐标导数且不可积的约束。

Three translational and rotational generalized coordinates of ship were introduced based on the aeroelastic model of helicopter.

在旋翼气弹计算模型基础上引入舰船3个平动和3个转动广义坐标，根据Hamilton原理建立了基于广义力形式的计入舰船运动的旋翼瞬态气弹响应计算模型。

The method is obtaining the ground state of the Hamiltonian which is constructed by general quadratic form of generalized coordinates and momenta.

方法是求得一维和二维以及n维由广义坐标和广义动量的一般二次型构成得哈密顿量的基态，由此可以求得各能级的本征态。

Since the nonholonomic constraint constrains the time derivatives of the generalized coordinates of the system and does not reduce the degree of the system configuration freedom, the number of the dependent control inputs is less than the degree of the system configuration freedom, which leads to a difficulty in controller design.

由于非完整约束是对系统广义坐标导数的约束，它不减少系统的位形自由度，这使得系统的独立控制个数少于系统的位形自由度，给其控制设计带来很大困难。

Based on the analytic model of an eccentric slider crank mechanism with elastic effects at both joints of the coupler and four coupler Mathieu-typed equations of motion in terms of the generalized coordinates of the system,the extract solution is developed from the improved Hill method with accelerated convergence.

在所建立的连杆接头处具有弹性效应的曲柄滑块机构的动态解析模型以及在广义坐标下推导出的4个马修型运动方程的基础上，由具有加速收敛性的改进希尔法进行了精确求解。

The main problem of the mode synthesis method , applied in structural vibration analysis of prefabricated bridges, is how to select relevant number of low frequency modes synthesized during the course that displacements of substructures are expressed in generalized coordinates that are defined by displacement modes.

模态综合法应用于装配式桥梁结构振动分析的主要问题，是在将子结构坐标缩聚为模态广义坐标的过程中，如何选取适当数目的低阶模态来参与综合。

In case of driving of torsional springs formulations for external forces of nodes are deduced in Cartesian coordinate.

以笛卡尔节点坐标为广义坐标，推导了节点扭簧驱动情况下的节点外力的计算公式。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。