The precise tangent stiffness matrix of space cable element is derived in this paper by using equilibrium equation.
本文采用状态平衡方程推导出用超越函数表示的空间索单元切线刚度矩阵的精确表达式。
On the basis of force density matrix of cable element, a force density matrix of triangle membrane element is introduced.
本文在已有的索单元力密度矩阵的基础上推导了三角形膜单元的力密度矩阵。
And, the spatial cable element with introducing equivalent elastic modulus was given to establish cable mechanical model.
采用空间索单元并引入等效弹性模量对拉索进行力学建模。
This static cable element stiffness matrix has a high accuracy since it comes from the analytic solution of a parabolic cable.
该静刚度矩阵来自抛物线索的解析解，具有很高的精度，明显比悬链线索单元简化了许多。
Then the calculation formulas of stressed and unstressed cable length are required by the cable element length's integral method.
最后由积分法导出了主缆索有应力和无应力长的计算公式。
The degenerated cable element is derived by the reduction of stiffness of the conventional beam element and the results are acceptable.
退化型悬索单元能在对普通梁单元进行刚度折减的基础上给出良好的分析结果。
This paper presents a study of linear stability in plane of cable-arch structure by using finite element approach with beam and cable elements.
本文应用有限单元法对索-拱杂交结构平面内线性稳定性研究。
A nonlinear finite element method considering the slack of cable elements is proposed in this paper for analysis of spatial cable truss structures.
本文介绍了考虑索单元松弛跟踪的空间索桁结构非线性有限元全过程分析方法。
This paper deduces a stiffness matrix of cable member, which is better suitable for analysis of prestressed reticulated shell in use than the former stiffness matrix of cable element.
推导了预应力网壳结构在正常使用阶段的预应力索单元的特性矩阵。
Ligament structure was established with 2-node cable element, the beginning and ending points of the ligament and the cross-sectional area were determined in accordance with references.
韧带采用2节点缆索单元构造，韧带的起止点及横截面积根据参考文献确定。
Having introduced the eccentric space thin-walled girder and the space combined cable elements, the author has derived element elastic stiffness matrix, geometric stiffness and masse matrix.
引入偏心空间薄壁梁单元及空间组合索单元，导出弹性刚度阵、几何刚度阵、质量阵。拉索张力随垂度变化的非线性由等效几何刚度计入。
To analysis the internal forces and deformations of gliding cable structures, one element taking friction into consideration was developed.
为精确分析滑动索系结构的内力和变形，创建了一种考虑摩擦力影响的新单元。
Possibility and efficiency in the application of this method to large finite element analysis are illustrated by an example of the stress analysis for a section of a cable stayed bridge.
以斜拉桥桥段的应力分析为例，说明在大型有限元分析中采用分阶段计算方法的可能性和有效性。
Conclusion: Cable and gap elements are reasonable boundary conditions of the finite element model of mandible, which will improve the similarity of the model.
结论：采用柔索约束、间隙元作为下颌骨及髁突的边界条件，可提高模型的相似性，为下颌骨的受力分析奠定基础。
Steel wire cable or other suspension element can be added at both sides of the electric cable according to customers'requirements(YFFBJ type).
可按顾客需要，在缆芯两侧增加钢丝绳或其他承力元件（YFFBJ型）。
Applied nonlinear elastic analysis for cable net glazing, a two-node linear element was presented.
针对单层平面索网幕墙结构静力分析的特点，提出了二节点直线杆单元有限元模型。
Focusing on the new type prestressed anchoring cable, a refined model is established in this paper using the interface stress element method in discontinuous mechanics.
针对这种新型预应力锚索，基于不连续介质力学的界面元法建立了精细模型。
Finite element method (FEM) was used to partition the area of buried cables with outer heat sources and calculate the temperature field with given cable load.
利用有限元法对有外部热源的直埋电缆区域进行剖分，计算了给定电缆负荷的温度场。
This new element can be incorporated into conventional finite element analysis schemes, to analyze the gliding cable structures in service or under construction.
新单元可直接用于常规的有限元分析中，研究处于工作状态或施工中的滑动索系结构。
This paper analyzes the local stress in the anchorage zone of cable-beam and cable-tower with three-dimensional finite element model for providing the reference to similar works.
本文建立索梁及索塔锚固的三维有限元模型，分析这些部位的局部应力。
In this paper, the distributions of the temperature and flow field are derived for a cable transformer coil by solving the finite element equations.
对一个电缆变压器的绕组，通过求解有限元方程，得到其温度场和热气流场的分布。
The invention also relates to a process for providing such superconducting element joint and a superconducting cable system comprising such superconducting element joint.
本发明还涉及用于提供这样的超导元件接头的方法和包括这样的超导元件接头的超导电缆系统。
In this paper, a finite element model for the analysis of the pipeline suspension bridge was set up with considering the initial internal force and verticality of the staying cable.
本文建立了悬索管桥分析的有限元模型，并考虑了悬索管桥恒载产生的初始内力、拉索垂度等几何非线性因素。
In chapter two, finite element method (FEM) and the process of calculating the distributing parameters of cable resistance, inductance, capacitance and conductance by FEM are presented.
论文第二章介绍了有限元法(FEM)和通过FEM求解电缆电阻、电感、电容、电导分布参数的过程。
Three methods often used in analyzing stayed cable are analytic method, equivalent two force members method and finite element method.
斜拉索静力分析的常用的方法有：解析法、二力杆法和有限元法。
It USES 3-d solid element to reinforced concrete and link element to pre-stressed and cable in the course of building model.
在建模过程中，采用三维实体和杆单元相结合的形式，用三维实体单元模拟钢筋混凝土，用杆单元模拟预应力钢束和斜拉索。
Established two typical supporting system by SAP2000 FEM software, pipe truss, cable truss. Calculation and analysis of static finite element model of these two kinds of supporting system.
采用SAP2000有限元软件建立了管桁架、索桁架两种典型支承体系有限元模型，进行了静力计算分析。
Based on these two theories, the finite element cable model were respectively established which was used to simulate the large amplitude vibration of cables.
在两种理论的基础上，分别建立了拉索风雨激振的有限元模型，模拟了拉索发生风雨激振时的大幅振动。
According to the actual structure characteristics of a cable-stayed pipeline bridge, a three dimensional finite element mathematical model is developed.
根据斜拉索管桥的实际结构特点，建立了三维有限元计算模型。
According to the actual structure characteristics of a cable-stayed pipeline bridge, a three dimensional finite element mathematical model is developed.
根据斜拉索管桥的实际结构特点，建立了三维有限元计算模型。
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