Now,the other kinds of vector fields we have seen physically are force fields.
我们从物理的角度,研究的另一类向量场是力场。
Based on the initial parameter method, a concise relation between displacement vector and force vector at both ends of the pipe is obtained.
借助初参数法的思路，建立管两端位移、内力向量间的关系。
An improved method for structural damage identification based on residual force vector is presented.
提出了一种改进的残余力向量法用于工程结构损伤识别。
According to the principle of virtual-work, the formula of electromagnetic force based on magnetic vector potential is deduced.
根据虚位移原理，推导出基于矢量磁势的电磁力计算公式。
The final finite-volume discretization equations are derived using the Hamilton principle. Meanwhile the global nodal force vector, mass matrix and tangent stiffness matrix of the cable are obtained.
再根据哈密顿原理导出了悬索大挠度振动的有限体积离散方程，推出了索的整体节点力向量、质量矩阵和切线刚度矩阵。
This article presents the unit vector method for the full shaking force balancing of multi-loop spatial linkages.
本文提出了多环空间连杆机构摆动力完全平衡的单位向量法。
A new two-step damage identification method based on residual force vector considering the impact of measurement error (noise) in most cases is proposed.
提出了一个考虑模态噪声影响的基于残余力向量法的损伤识别两步法。
Finally vector distribution map, end region leakage reactance and distribution of force on end region winding are achieved.
最后得出了端部磁场矢量分布图，端部漏抗值及端部绕组的电磁力分布规律。
Gravitational field is a kind of vector field, and the description of gravitational force by general relativity is very effective.
引力场是一种矢量场，广义相对论对引力问题的描述是非常有效的。
With force free model, it is shown that the photospheric transverse current is independent of the sense of the transverse field and can be found completely by vector magnetographic measurement.
并证明了光球横向电流与横向磁场的指向无关，因而完全可以由向量磁象仪测定。
In recent years, the method based on residual force vector (RFV) and applied in structure damage identification has been concerned and some achievements were achieved.
近年来基于残余力向量法的损伤识别技术受到了关注并取得了一定的研究成果。
The average force vector quantities in all area were improved after training in the left hemiplegia and the healthy people(P<0.05).
正常人和左侧偏瘫患者各区力向量均值在训练后均有明显改善（P<0.05）。
The first step identifies the location of the possible damaged poles by analyzing the joint residual force vector.
在无噪声的情况下，使用任意一阶模态数据，残余力向量法都能够对损伤进行准确定位。
In this paper it is shown that there are two vector constants of the motion for a charged particle in the central field of force.
证明了带电粒子在有心力场中运动时有两个守恒矢量。
Then, based on the CR formulation, the internal force vector and tangent stiffness matrix of large rotation and small strain space bar and plane beam element are deduced.
其次，基于CR列式法推导出了大旋转小应变空间杆单元及平面梁单元的内力矢量及切线刚度矩阵；
Then, based on the CR formulation, the internal force vector and tangent stiffness matrix of large rotation and small strain space bar and plane beam element are deduced.
其次，基于CR列式法推导出了大旋转小应变空间杆单元及平面梁单元的内力矢量及切线刚度矩阵；
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