The internal force of stone arch bridge in the course of cracking at arch foot was computed using the spatial finite beam element method.
采用空间梁单元对实际的石拱桥拱脚开裂现象进行了有限元模拟分析。
On the basis of the governing differential equations by the variational principles, the finite beam element for analyzing the shear lag effect of box girders is proposed.
在变分法薄壁箱梁剪力滞基本微分方程的基础上，提出一个可考虑集中弯矩影响的分析箱梁剪力滞效应的有限梁单元。
Based on energy functionals and with the inclusion of high order dynamic displacement modes, the finite dynamic element formulation for bar and beam is developed.
从能量泛函出发，通过引入高阶动态位移模式，导出了杆、梁、框架结构动态有限元列式，建立了杆梁动态有限单元。
Structural free vibration characterization and seismic response were calculated by means of beam-plate linear mathematical model of finite element method.
采用梁、板线性有限元数学模型计算了结构自振特性和地震响应。
Making an example of finite element analysis for a RC deep beam, the author compares and analyzes the feature, accuracy and reliability of these elements.
然后用一个RC深梁的例子，比较分析了三类单元的特点以及计算结果的精确度和可靠性。
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。
The finite element analysis of the bridge-erecting machine 'beam under welding defect conditions is conducted with ANSYS program, which provides a basis for the structural safety assessment of beam.
以A NSYS为分析工具，对铁路架桥机导梁焊接缺陷进行有限元分析，为导梁进行结构安全评定提供依据。
The stress analytic method of arch dam covers pure arch method, arch beam sharing method, finite element method, calculating method of shell theory and structural model test method.
拱坝的应力分析方法包括纯拱法、拱梁分载法、有限元法、壳体理论计算方法和结构模型试验法。
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, a coupling model of Beam element finite element boundary element Infinite boundary element for the analysis of structure foundation system in frequency domain is established.
采用梁单元、有限元、边界元、无限边界元相结合的方法，建立了频域中结构-半无限地基系统的分析模型。
The predicted critical buckling temperature and buckling modes for a simple model by using the beam elements are in good agreement with the finite shell element solution by ANSYS.
简单梁模型算例表明：该方法求得的各阶屈曲温度临界值和屈曲模态与AN SY S薄壳有限元解吻合较好；
When treating the finite element models of the composite structure, this paper presents a "virtual beam" element mode relaxation method for the accordance of different elements.
在处理组合结构有限元模型时，对不同类型单元之间的协调提出一种“虚梁”单元节点松弛方法。
In the prediction of sleeper radiation noise, the finite element beam model of sleeper is more suitable.
最终得出在预测轨枕辐射噪声时，轨枕梁有限元模型更加适合。
A nonuniform beam finite element is presented and the element stiffness matrix and equivalent joint load are derived to analyse nonuniform members used increasingly in engineering structures.
针对工程结构中广泛应用的变截面构件，提出了一个变截面平面梁单元，推导了其单元刚度矩阵和等效节点荷载公式。
Based on the full scale experiment of an engineering project, the finite element method was applied to analyze the bonded-prestressed plate-beam system.
结合某实际工程的现场实验，通过建立精细有限元模型对现浇预应力空心板梁楼盖体系进行了分析。
The finite element analysis and optimization design of piezoelectric intelligent beam was made based on ANSYS.
运用ANSYS软件进行压电智能梁结构的有限元分析和优化设计。
The finite element analysis methods for plate-beam composite structures with random physical parameters under the random loads action are studied.
以随机物理参数板梁组合结构为对象，研究了其在随机力作用下的有限元分析方法。
The result shows seven-freedom unit finite element method has high precision to analyse simple beam of rectangular section, it can replace complex analytic solution.
说明采用七自由度单元的有限元法进行矩形截面简支梁的弯翘分析，有很高的精度，可以代替繁琐的解析解。
The three-node beam element tangent stiffness matrix including the geometric stiffness matrix is developed according to the nonlinear finite element theory.
进而依据非线性有限元理论推导了该三结点梁单元的几何刚度矩阵的单元切线刚度矩阵；
Aim at 7075 aluminium alloy vacuum electronic beam welding, using nonlinear finite element, the numerical simulation of the residual stresses distribution in welding joint was made.
针对7075铝合金中厚板真空电子束焊接过程，采用非线性有限元法，对焊接接头的残余应力分布进行了数值模拟。
In this paper, relation between electron beam welding parameters and temperature field of beryllium is studied quantitatively with finite element method.
采用有限元方法，定量分析了电子束焊接工艺参数与铍环内表面温度的关系。
Based on the force behavior of joist of large-span prestressed space frame system, space finite element analysis of prestressed beam-slab system is carried out by using ANSYS software.
针对大跨度预应力空间框架体系托梁受力复杂的特点，采用ANSYS软件进行了预应力梁板体系的空间有限元分析。
The natural frequencies of beam are calculated with finite element method in the cases of different crack width and different crack depth.
本文利用有限元法分别计算在不同的裂纹深度、不同的裂纹开口宽度的情况下梁的固有频率。
The mortise and tenon joint of the structure is replaced by a special beam-element group in the finite element model.
引入梁单元组模拟斗拱连接，从而建立了具有木塔较细致结构的有限元计算模型。
A finite element program of wall beam structure under elastoplasticity condition is compiled based on the plastic theory and used to test some practical samples.
并基于塑性理论，编制了“墙梁结构弹塑性有限元法计算程序”，对一些算例进行了验算，得到较好的结果。
In this paper, the work behaviors of steel-concrete composite beam are studied by the theory analysis and finite element analysis.
本文将“理论分析”和“有限元分析”相结合来研究钢与混凝士组合梁的工作性能。
A calculating model of finite element method with three-dimensional beam element for subsurface pipeline was established.
建立了埋地输油管道三维梁单元有限元应力应变计算力学模型，并给出了求解方法。
The result indicated that the theoretical calculating result of elastically supported continuous beam method is accordant with the result of experimental test and the finite element method.
结果表明，所提出的弹性支承连续梁法计算值，与空间有限元分析理论值及荷载试验测试值吻合得较好。
The finite-length beam on elastic foundation is solved by the wavelet Galerkin finite element method. In comparison with the analytical results, the solution has better accuracy and convergence.
用此方法求解弹性地基上的有限长梁，从结果对比可以看出其解具有良好的精确性和收敛性。
The finite-length beam on elastic foundation is solved by the wavelet Galerkin finite element method. In comparison with the analytical results, the solution has better accuracy and convergence.
用此方法求解弹性地基上的有限长梁，从结果对比可以看出其解具有良好的精确性和收敛性。
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