借鉴结构可靠度分析方法,给出了供水管网抗震功能可靠度分析的一次二阶矩方法。
The mean-value-first-order-second-moment method and advanced first-order-second-moment method are used to analyze the aseismatic serviceability of water supply network.
提出将响应面方法和非线性有限元分析结合起来对桥梁上部结构的体系可靠度进行分析的新方法。
A new method aiming to incorporate the response surface method into the computation of system reliability for composite Bridges is proposed in this paper.
通过引入有限元方法,混合分析法可适用于结构可靠度问题。
By introducing the FEM, the mixed method is extended to perform finite element reliability analysis.
通过算例就各参数的随机性对结构动力可靠度的影响进行分析,验证本文方法的可行性。
Finally, the influence of the random of structural physical on the structural dynamic reliability is analyzed through the examples, validating the feasibility of this method.
提出了综合考虑动载荷和结构参数双重随机性的动力可靠度分析方法。
The method for dynamic reliability analysis, in which the randomicity of dynamic loads and structural parameters can be considered, is proposed.
以条件概率和数值分析方法为基础,提出了一种新的结构体系可靠度点值估算方法,并通过算例说明了该法的应用。
A new point-evaluation method for structural system reliability analysis is proposed based on conditional probability and numerical analysis method.
通过对靠船墩三维结构随机力学分析,提出基于可靠度理论下的靠船墩设计方法,可直接应用于工程实践。
Based on the analysis of three-dimensional structure random mechanics of pier, this paper advances reliability design method, which can be applied directly in engineering practice.
论文在对车架结构模型构建的基础上,将道路模拟试验、可靠性分析理论和有限元分析方法等结合起来,分析其可靠度及疲劳寿命。
In this paper, together with road simulation test, reliability theory and FEM, the fatigue life and degree of reliability were analyzed based on the construction of the frame.
该分析方法计算简便,为在役钢筋混凝土结构的安全评估和修复加固提供了一种计算可靠度的参考方法。
The method is simple and convenient, and a reference method of calculating the reliability for the safety assessment and strengthening of the existing RC structure can be provided.
并根据结构可靠度理论,提出了碳化环境下PC结构耐久性可靠度的分析方法。
According to the theory of structure reliability, an analysis method of durability of PC structure in carbonation is developed.
对格式爆破网路的结构进行分析计算,给出了计算网路的结点准爆率和可靠度的有效方法。
The frame of lattice explosion network is analysed and computed, and an effective method to compute the reliability and probability of explosion network is given in this paper.
首先介绍了工程结构可靠度理论及分析计算的若干方法,重点阐述了FORM法和蒙特卡罗法。
First, the basic theory and several computation analysis methods of reliability are discussed, and the First Order reliability method (FORM) and Monte-Carlo method are emphasized.
选用工程实例说明了已有砌体结构抗震可靠度分析的实用方法。
Engineer case is presented here to demonstrate this method for aseismic reliability of the existing masonry structures.
本文探讨了功能函数不明确结构四阶矩可靠度的分析方法。
In this paper, the four-moment reliability analysis method for perfopmance function implicit structure is discussed.
在同时考虑结构物理参数、几何尺寸和作用荷载随机性的情况下,给出了结构有限元和基于可靠性的灵敏度分析方法。
In finite element and reliability analysis, the randomness of the structural physical parameters, geometry dimensions and the stochastic loads applied on structures are all considered.
作者基于等效风谱理论,给出了高层建筑结构在风荷载作用下可靠度分析的方法。
In this paper, reliability analysis method of tall building under the action of wind is put forward based on the equivalent wind spectrum theory.
给出了适用于优化算法的抗震可靠度简化分析方法,提出了一种基于“等可靠度”准则的结构优化方法。
A simplified approach of reliability analysis for seismic structures is provided. And an optimality criterion method is presented for the reliability-based optimization.
一次二阶矩方法是结构可靠度分析的基本方法.一次二阶矩方法的计算精度依赖于验算点附近功能函数的非线性程度。
The first-order second-moment method is fundamental in structural reliability analysis, its accuracy depends upon the nonlinear extent of performance functions around checking point.
针对既有桥梁结构的特点,建立了考虑荷载历史的可靠度分析模型,并讨论了其计算方法。
Models of reliability analysis were established and calculation methods of the models were discussed with consideration of load history for the evaluation of existing bridge structures.
潜艇耐压结构系统可靠性分析的算例表明,本方法可有效地解决非线性失效方程的工程结构系统可靠度的计算问题。
Examples for a submarine structure indicate that this method is practical and useful, and is especially suitable for reliability analysis with highly nonlinear failure surfaces.
论文首先对结构可靠度理论加以分析研究,总结出结构可靠度计算的各种方法,并对各种方法加以比较;
This article firstly studies the theory of structure reliability, summarizes the various computational methods, and compares them with each other.
提出了模糊结构体系主要失效模式的识别方法,和结构体系的能度可靠性分析方法。
An approach for enumerating the significant failure mode for fuzzy structures, and a procedure for possibilistic reliability analysis of fuzzy structural systems were given.
研究利用参数化有限元技术分析复合材料层合结构力学性能和结构可靠度的方法,并基于ANSYS软件平台开发相应的参数化有限元程序。
Parametric FEM technique is used to analyze the mechanical performance and structural reliability of composite laminate structures. The parametric FEM code based on ANSYS is given.
分析并指出了我国现行钢结构耐火设计方法的缺点,建议采用性能化设计方法以提高钢结构耐火设计的可靠度。
It is proposed that the base-performance design should be introduced to improve the reliability of fire resistance of steel structure.
运用该体系复模态分析的统一方法,得到了结构响应及动力可靠度的解析表达式。
Using the above method, the analytic expressions of response and dynamic reliability are got.
响应面有限元的可靠度计算是采用有限元数值模拟来解决功能函数不能明确表示的结构可靠度计算问题的一类方法,对于大型复杂结构的可靠度分析有重要的意义。
Reliability calculation based on response surface FEM method utilizes the FEM numerical simulation to solve the reliability problems in which the analytical performance function can not be given.
对这类地下结构的稳定性分析时最为合适的是采用能考虑不确定性的可靠度方法。
The reliability method that can take uncertainty into account is the most appropriate way to analyze stability of the support structure.
本文论述了结构性能劣化的原因,提出考虑抗力变化的结构可靠度的分析方法。
In this paper, the causes of structural performance deterioration are discussed and an analysis method for deteriorating structures is presented.
在结构系统可靠度研究的基础上,根据隧道结构的特点,应用概率理论及工程结构系统可靠度分析方法,对整个隧道结构系统可靠度进行了探讨。
Some problems of tunneling system reliability are solved by using probability theory and system reliability analysis of engineering structures in light of characteristics of tunnel structure.
第一章介绍了结构体系可靠度分析的必要性和特点并回顾了现有常用的计算结构失效概率的方法。
Chapter 1 briefly reviews the necessity and character of structural systems reliability analysis as well as the existing approaches of estimating the failure probability of structural systems.
应用推荐