Study on Truss Element of Finite Element Method and Its Application;
在有限单元方法中，放开了定近似函数的限制。
Secondly, the equivalent plane truss element analysis program of plane stress problem is worked out, by which cantilever beam, simple beam and perforated wall are analyzed.
其次，编制了平面应力问题等效铰结平面桁架单元有限元法分析计算机程序。
The element is composed of an internal steel truss system and the skin of the element is built with wood which locates the intervention within the chromatic palette and texture of the landscape.
鸟瞰台的设计元素是由一个内部钢桁架系统组成，元素的表皮是用木头建造，而木头的纹理和颜色都与其所处的景观有关。
On the base of above research, stochastic finite element method was adopted to attempt to analyse reliability of the piezoelectric truss structure.
在此基础上引入随机有限元法，对该桁架系统进行结构可靠性初探研究。
The project's unique structure utilizes an asymmetrical tree-column and truss to support an extended fourth floor, providing a signature element for the project.
项目的独特结构采用一种不对称的树列和桁架支持扩展四楼，为其提供了一个特有的元素。
The Web steel truss beam is simulated with three-dimensional beam element, and the equivalent bending rigidity of the beam could be obtained by bending test.
模型中，桁架柱采用三维梁单元模拟，其等效弯曲刚度利用弯曲试验直接获得。
Based on this engineering application background, a new element is proposed in domestic studies. The new element is equivalent truss model.
正是基于此工程应用背景，国内的研究提出了一种新的单元—等效桁架模型。
Analyze truss antenna framework structure with finite element method and establish sub-model to compute the stress distribution of the speecial part.
应用有限元方法对桁架式天线骨架结构进行分析，在关注区域建立了模型计算准确的应力分布。
Based on finite element theory and optimization theory, considering mechanical properties of the structure, the reliability optimization design method of tower truss system is presented.
根据有限元理论及最优化理论，同时考虑结构受力特点，给出了塔架体系在可靠度约束下的最优化设计方法。
Instead of tow-dimensional finite element mode, three-dimensional mode in truss structure is established based on the actual structure.
改变以往建立有限元模型时采用的二维建模方法，根据塔机实际结构建立三维空间桁架模型；
The finite element analysis model of truss structures was established.
建立了桁架结构的有限元分析模型。
A kind of finite segment element model for analysis of shear lag effect in plate and truss composite girder is proposed. The model avoids certain deficiencies in conventional calculations.
提出一种板桁结合梁剪滞效应分析的有限段单元模型，避免了常规计算方法中的某些不足。
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。
The analysis methods of the finite element for fuzzy truss structures under fuzzy loads action are studied.
研究模糊桁架结构在模糊力作用下的有限元分析方法。
Based on a special method of Neural Networks, the finite element model about a larger complex space latticed truss structure was corrected.
依据神经网络的方法完成了对大跨度复杂体型网架结构有限元模型的修正。
This paper deals mainly with the analysis method of the finite element and reliability for truss structures with random parameters under random loads action.
对随机参数桁架结构在随机荷载作用下的有限元分析方法进行了研究。
This paper gives an account of the method of deflection test of large-span steel roof truss and analyses the test result by using element calculation.
本文介绍了大跨度钢屋架挠度测试法和测试结果，并用有限元计算对测试结果进行比较和分析。
In this paper, an evolutionary optimization method is proposed to minimaze the weight of truss structure in terms of nodal coordinates and element cross sectional areas.
提出了一种渐进优化方法，通过分离设计变量，分别采用渐进节点移动法和满应力法优化桁架结构的形状和尺寸。
In the design of three-bar truss structure commonly used for engineering, the optimization analysis is carried out for the structure by finite element software ANSYS6.
在对工程上常用的三杆桁架结构的设计中，利用大型有限元分析软件ANSYS6。
In this paper, a nonlinear finite element analysis of plate - truss composite steel girder is studied.
对板桁组合钢梁进行非线性有限元分析。
In this paper, a new type of elements and the stiffness matrix have been developed, which can be used to eliminate the singularity in the finite element model such as space truss and frame.
本文提出了一个用于消除空间杆梁结构有限元模型中的无刚度“奇点”的元素及相应的刚度矩阵计算公式。
This paper describes a suitable method of optimum design adopting systematic iteration on composite space truss, and the finite element analysis and the optimum technology are applied in the method.
结合有限元分析和最优技术给出适合工程应用的组合网架优化设计方法。
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。
The finite element analysis of truss system with interval parameters under interval load is studied and the structural interval displacement and stress response are deduced.
构建了区间参数杆系结构在区间荷载作用下的分析模型，导出了结构的区间位移和区间应力响应区间变量表达式。
The finite element model correction of large space truss is done by identifying its joint fixity factor based on neural net.
本文提出了依据神经网络方法完成大型空间网架结构节点固结系数的识别，实现空间网架结构有限元模型修正的方法。
In order to solve these problems, a new type of finite element model called equivalent truss model is proposed.
为了解决此类问题，国内提出了一种新的有限元模型一等效桁架模型。
An intelligent paraboloid truss antenna is designed and its dynamic model is presented by means of finite element method.
设计了一个智能抛物面桁架天线，采用有限元方法得到了它的动力学模型。
Using finite element method, this paper investigates the static behavior of cylindrical orthogonal single-layer lattice shell structures supported by fringe truss.
本文利用空间杆系有限元法，对采用边桁架支撑的单层柱面正交异型网壳进行内力分析；
To make a better understanding of joint mechanics behaviors, this thesis studies joints of T-section steel truss with finite element method (FEM).
为了更好的了解节点的受力特征，本文将对T型钢桁架节点采用有限元的方法进行一些研究工作。
To make a better understanding of joint mechanics behaviors, this thesis studies joints of T-section steel truss with finite element method (FEM).
为了更好的了解节点的受力特征，本文将对T型钢桁架节点采用有限元的方法进行一些研究工作。
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