A incremental virtual work equation, which is suitable for geometric nonlinear analysis of structures, is derived in this paper.
本文从适用于几何非线性分析的增量形式的虚功方程出发，建立了有限元计算公式。
Based on the geometrical nonlinear finite element (GNFE) theory, a curved quadrilateral isoperimetric element with 8 nodes for initial form analysis of tensile membrane structures is presented.
本文根据几何非线性有限元理论，提出张力膜结构初始形态分析的8结点曲面四边形等参单元。
The time-stepping FEM model for the dynamic analysis of power system is established considering the nonlinear characteristics of internal generators and typology structures of external circuit.
建立了既考虑发电机内部非线性又考虑外部电路拓扑结构的用于系统动态分析的时步有限元模型。
Multi vertical line element model is the most widely used model in the nonlinear analysis of shear wall structures.
多垂直杆元模型是目前最为常用的一种用于剪力墙结构非线性分析的宏观模型。
Based on geometrical nonlinear finite element theory, a curved quadrilateral isoperimetric element with 8 nodes for initial form analysis of tensile membrane structures is presented.
根据几何非线性有限元理论，提出张力膜结构初始形态分析的8结点曲面四边形等参单元。
The paper applies the mixed analysis to calculate the geometric nonlinear stability of space composite structures at construction stage.
本文采用混合分析法进行空间组合结构施工阶段的几何非线性稳定计算。
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。
With the rapid development of the computer technology, nonlinear analysis method is widely applied in the analysis of some important hydraulic reinforced concrete structures.
伴随着计算机技术的迅猛发展，非线性分析方法在一些重大水工钢筋混凝土结构分析中得到了日益广泛的应用。
The equations can be used to analyze the effects of imperfections on the elastoplastic response of structures and they are also useful for the solution of nonlinear problems and buckling analysis.
可用于分析缺陷对结构非线性弹塑性反应的影响，也可用于带缺陷的非线性问题求解及稳定性分析。
Calculation results show that nonlinear factors are important for fatigue strength analysis of ship structures.
计算结果表明，非线性波浪载荷对船体结构疲劳损伤分析具有重要影响。
The results of this paper can BC used in nonlinear response analysis of multistory and tall structures.
本文结果可用于多层及高层建筑结构的非线性反应分析。
A complete set of calculating methods for complex modal analysis of nonlinear random response of structures with multi-degrees of freedom and base isolation are proposed.
从而建立了多自由度隔震结构非线性随机响应复模态分析的一整套计算方法。
Based on geometrical nonlinear finite element theory, a curved quadrilateral isoperimetric element with 8 nodes for initial form analysis of tensile membrane structures is presented.
本文根据几何非线性有限元理论，提出张力膜结构初始形态分析的8结点曲面四边形等参单元。
Based on the geometrical nonlinear finite element (GNFE) theory, a curved quadrilateral isoperimetric element with 8 nodes for initial form analysis of tensile membrane structures is presented.
根据几何非线性有限元理论，提出张力膜结构初始形态分析的8结点曲面四边形等参单元。
The problem of stability in the numerical integration schemes of nonlinear dynamic analysis of structures is discussed by using matrix and norm theory on a rigorous and complete basis in this paper.
本文在严格、完整的基础上，利用矩阵范数理论研究了结构非线性动力分析中数值积分格式的稳定性问题，给出了判别单自由度非线性动力方程积分格式稳定性的一般数学准则。
The paper probes into the analysis method of composite structures when local failures of which are considered. This is a nonlinear problem.
本文考虑复合材料结构发生局部破坏时的分析问题，这是一个非线性问题。
Based on the geometrical nonlinear finite element (GNFE) theory, a curved quadrilateral isoperimetric element with 8 nodes for initial form analysis of tensile membrane structures is presented.
本文根据几何非线性有限元理论，采用8结点曲面四边形等参单元，编制了用于张力膜结构内力分析的有限元程序。
Based on geometrical nonlinear finite element theory, a curved quadrilateral isoperimetric element with8 nodes for initial form analysis of tensile membrane structures is presented.
根据几何非线性有限元理论，提出张力膜结构初始形态分析的8结点曲面四边形等参单元。
The modeling of hybrid structures comprising external steel frames and core concrete tube is simplified for nonlinear seismic analysis.
将高层钢混凝土混合结构分为外部钢框架和内部混凝土核心筒两部分。
Then on the basis of experiment, a restoring force model of reversal skeleton curve of SRC wall was built, and this model can be used in nonlinear seismic analysis of SRC structures.
在试验的基础上，本文建立了型钢混凝土剪力墙恢复力骨架曲线的数学模型，为分析高层结构的非线性地震反应分析提供了基础数据。
So this paper gives mainly a nonlinear seismic response analysis method of reinforced concrete core-tube, which is key lateral-force-resisting member of the steel-concrete hybrid structures.
因此，本文着重研究这种结构的主要抗侧力部分—钢筋混凝土核心筒的非线性地震反应分析方法，旨在为进一步深入研究整个结构的抗震性能及抗震设计方法奠定基础。
Calculation results of the nonlinear time-history analysis show that using the technology of base-isolating in frame-shear wall structures can increase the structural seismic capability.
整体结构的非线性时程分析结果表明，在高烈度抗震区采用基础隔震技术，框架-抗震墙结构中通过基础隔震技术可以提高结构的抗震安全储备。
A method of double nonlinear analysis is presented in this thesis to study the mechanical behavior of tower structures.
本文应用几何非线性和材料非线性有限元方法研究塔架结构的力学行为。
To the dynamic stability of the K8 single layer latticed shell structures under the seismic loads, this paper carried out the dynamic stability analysis based on the nonlinear finite element theory.
针对单层k8型网壳结构在强震时的动力稳定问题，应用非线性有限元理论进行了分析。
Because of the complexities of the structure of CFRD and the nonlinear property of rockfill, it is very difficult to carry out the reliability analysis to this kind of structures.
由于面板堆石坝构造复杂，堆石材料具有非线性特性，使得这类结构的可靠度分析十分困难。
The simulation was carried out by using MSC/DYTRAN, a three-dimensinal analysis code for analyzing the dynamic , nonlinear behavior of structures.
数值模拟是用大型非线性动态响应分析程序MSC/DYTRAN来完成的。
The main contents about geometric nonlinear analysis of suspension Bridges are as follows: First of all, the basic principle of geometric nonlinear finite element method for structures is introduced.
悬索桥几何非线性分析部分的主要内容如下：首先，介绍了结构几何非线性有限元的基本原理，推导了几何非线性分析的T。
The main contents about geometric nonlinear analysis of suspension Bridges are as follows: First of all, the basic principle of geometric nonlinear finite element method for structures is introduced.
悬索桥几何非线性分析部分的主要内容如下：首先，介绍了结构几何非线性有限元的基本原理，推导了几何非线性分析的T。
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