建立一种空间有限元梁单元新模型，基于有限元法和Lagrange方程导出有限元梁单元的运动微分方程。
A new model of spatial flexible beam element is proposed. The dynamic equation of the spatial flexible beam element is derived based on the finite element theory and Lagrange equations.
建立了基于有限元方法并结合一种弧长算法的适用于UPC梁非线性全过程分析的数值模型。
A numerical model based on the finite element method incorporating an arc-length algorithm for nonlinear full-range analysis of UPC beams was developed.
旅美诗人梁元的第三本诗集《原始角落》由加拿大中文国际出版社出版。
Yuan Liang's third book of poetry The Primitive Corner is published in Canada.
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。
Structural free vibration characterization and seismic response were calculated by means of beam-plate linear mathematical model of finite element method.
本文从非棱柱形梁的弯曲理论出发，推导出了变截面刚架元的单元刚度矩阵和等效结点载荷。
Based on the theory of the bending of non-prismatic beam, the paper has derived a rigidity matrix and the equivalent node load of the rigid-frame element with variable sections.
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。
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.
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。
In the prediction of sleeper radiation noise, the finite element beam model of sleeper is more suitable.
薄壁钢扁平箱梁正交异性板钢桥面系第二体系应力的计算方法主要有P -E法、等效格子梁法和有限元法等。
There are mainly three methods in the second system stress analysis of the orthotropic steel deck, P-E method, the equivalent girder beam method and the FEM.
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。
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.
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 result shows seven-freedom unit finite element method has high precision to analyse simple beam of rectangular section, it can replace complex analytic solution.
用有限元法对摊铺机振动梁进行了固有特性和谐波响应分析。
The intrinsic characteristics and harmonic responses of vibrating beam of paver are analyzed using FEA.
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 and optimization design of piezoelectric intelligent beam was made based on ANSYS.
采用有限元方法进行计算，获得了悬臂梁弯曲变形的温度响应曲线。
By applying the finite element method in the calculation, the temperature response curve of the cantilever has been obtained.
利用杆件结构有限元动力分析计算，并通过模型梁试验，建立起简支梁在附加荷载作用下振动特性与破损模态之间的关系。
Through beam structure finite unit dynamic analysis and experiment of RC model beam, we build the relationship between beam bridge attached load vibration characteristics and damaged model.
根据连续介质力学和组合箱梁力学行为的特点，建立考虑滑移影响的空间非线性组合箱梁梁段有限元法。
Based on the behaviour characteristics of composite box beams, a new triaxial nonlinear finite element for composite box beams with slip effect is presented.
基于对梁元带板问题的讨论及对大量梁元的实际计算结果分析，推导出梁元惯性矩计算的经验公式。
Based on discussion of attached plate and analysis of beam elements calculation results, a experience formula is deduced for the calculation of a beam elements inertial moment.
结构元素包括杆元、平面梁元、空间梁元、平面三角板元、平面矩形板元和弯曲矩形板元等。
Structural elements contain bar, plane beam, space beam, triangular and rectangular plates with membrane stresses, rectangular plate element with bending deformations.
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；
The three-node beam element tangent stiffness matrix including the geometric stiffness matrix is developed according to the nonlinear finite element theory.
本文利用变分有限元法、样条函数等，提出了薄壁箱梁结构分析的数值理论和方法。
This dissertation establishes numerical methods in structural analysis on the basic of variation principle, finite member element method, spline function, etc.
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。
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.
对薄壁箱梁结构模糊分析的数值计算理论进行深入研究，提出了基于一维离散有限元法的薄壁箱梁模糊分析理论。
The numerical methods of fuzzy analysis for thin-walled box girders are studied systematically, the one-dimensional fuzzy finite element method for thin-walled box girders is proposed.
采用通用有限元程序可对箱梁进行空间分析，但是建模过程复杂，特别是很难考虑预应力效应。
The general FEM program can do the spatial analysis of box girder, but the modeling is very complex and it is difficult to consider the prestress.
给出了一种计算同一单元内具有分布材料特性的梁反应的有限元方法，有效解决了传统梁单元的局限性。
A method to compute responses of a beam with distributed material properties is presented, which effectively avoids the limitation of traditional beam elements.
首先对弹性五杆机构进行有限元分析，通过机构梁单元节点位移间的关系，建立起弹性五杆机构单元质量矩阵与刚度矩阵以及弹性动力学模型。
Firstly, the links of the plane five-bar linkage mechanism is simulated by beam element, the mass matrix, stiffness matrix of linkage mechanism and elastic dynamic model of system are established.
利用ANSYS有限元程序对单轴对称工字形单伸臂梁和双跨连续梁整体稳定试验进行了有限元模拟。
The overall stability tests of monosymmetric I-shaped overhanging beams and two-span continuous beams are simulated by finite element program ANSYS.
空间有限元分析表明，预应力混凝土箱梁的应力和变形对温度梯度模式的变化较为敏感。
The space finite element analysis indicated that the prestressed concrete box girder's stress and the distortion are sensitive to the change of gradient of temperature pattern.
编制该梁元剖面几何特性计算及板梁组合结构模型的固有特性计算的Fortran 语言程序。
While the FORTRAN language was compiled to calculate the geometry specialty of the beam element and the inherent specialty of the stiffened plates model.
利用有限元分析软件ANSYS，对组合梁的交界面相对滑移性能进行了非线性有限元分析，提出剪力连接系数的合理范围。
Considering the interface slip, a nonlinear finite element analysis model is established by using finite element analysis soft-ANSYS, and gained a reasonable shearing connection coefficient.
作者以有限元法分析了连续深梁的内力受支座垫板宽度影响的变化规律；
The authors, using the finite element method, analyse the rules of continuous deep beam internal forces under the influence of the support plate width.
作者以有限元法分析了连续深梁的内力受支座垫板宽度影响的变化规律；
The authors, using the finite element method, analyse the rules of continuous deep beam internal forces under the influence of the support plate width.
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