This paper presents a mathematical and mechanic model for non-linear dynamicstability analysis of structures on the basis of Liapunov's stability criteria.
在李雅普诺夫稳定性准则的基础上导出了求解结构非线性动力稳定性分析的数学-力学模型。
The authors put forward the pile element for space analysis of structures on pile foundations.
对于桩基结构的空间分析，作者提出一个桩单元。
Generally, only the plastic failure mode is considered in system reliability analysis of structures.
在一般结构系统可靠性分析中往往只考虑构件塑性破坏的单一模式。
The paper deals with the problem of limit analysis of structures of combined axisymmetrical thin shells of revolution.
本文研究旋转轴对称组合壳体结构的极限分析问题。
The numerical analysis of structures with thin bodies is one of the difficult problems in the boundary element method.
薄体结构的数值分析是边界元法的难点问题之一。
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。
The bifurcation buckling analysis and coupled vibration analysis of structures with the influence of initial stresses taken into account.
对有初始膜(轴)内力的结构，考虑几何刚度阵对结构原刚度阵的影响，进行了分歧屈曲分析和自由振动分析。
By means of fuzzy finite element method, the method for fuzzy reliability analysis of structures are put forward based on possibility theory.
利用模糊有限元法，建立了基于可能性理论的结构模糊可靠度计算方法。
The meteorological parameters, such as solar radiation, temperature difference and wind velocity are boundary conditions in temperature effect analysis of structures.
在结构温度作用计算中需气象参数作为其边界条件，主要有日照辐射、气温日较差、风速这三个参数。
As a converse problem of the dynamic analysis of structures, the design of structure parameters to meet the requirements of the prescribed dynamic characteristics is studied in the paper.
作为结构动力学分析的一个反问题，本文研究为使系统的动力特性满足设计要求如何进行结构参数设计的问题。
The parameters of random model of ground motion given in this study provide relatively reliable and accurate earthquake motion input for stochastic seismic response analysis of structures.
最后给出了规范各种工况下的地面加速度功率谱参数值，为随机抗震计算分析提供了依据。
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 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。
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