结构可靠性

• Structural reliability rating , structural residual service life predication and structural reliability design are some of the urgent problems need to be solved in the engineering field
  现役结构可靠性评定、剩余使用寿命预测及结构可靠性设计，是我国工程界急待解决的问题。
• At the same time , we colligated general math models and solving methods of reliability which are on using now . all of the models and methods have been compared and analysed
  结构可靠性设计是固体火箭发动机研究工作中的重要内容。采用可靠性设计方法，可以确保发动机实现预定的质量指标。
• As an emerging applied technology , damage detection is an important part of structural health monitoring , which ultimate goal is to increase reliability , improve safety and reduce maintenances cost
  结构的健康监测是近年迅速发展的应用技术,目的是增加结构可靠性,降低维修成本。其关键是结构中的控制器部分。
• The static reliability method is always adopted in the reliability analysis of structures , and it sometimes may lead to error according to the practical situation due to ignore of the resistance reduction with time
  本文主要完成了以下几方面的工作：一、以往结构可靠性分析都是采用静态可靠度方法，即不考虑抗力随时间的衰减。
• So , studying the structural reliability and the reliability degree of the industrial factory in service , assessing the use life , providing the evidence for the maintenance and modification have important significance
  因此研究服役厂房结构可靠性及其具有的可靠度，评估厂房的使用寿命，为厂房的维修改造决策提供依据，具有重要意义。
• Concentrating on the questions and developmental directions of engineering structure reliability , the applicability of building steel structures that is studied relatively less is analyzed and studied
  围绕工程结构可靠性发展中的存在问题及其发展方向，对研究相对较少的建筑钢结构适用性（正常使用极限状态）方面进行了相应的分析和研究。
• Given the aim of the research is to found a method to evaluate the structures preliminarily , only the factors such as the bearing capacity , connections and compages , distortions , cracks are considered
  基于本项研究的目的是要建立对于电力结构可靠性的初步评价，因此，本文的单因素评价主要考虑了承载力、连接和构造、变形、裂缝等因素。
• Genetic algorithm ( ga ) is popularly used to settle the optimum problem . so the important work of the thesis is to develop a program for probability - based intelligent optimum design of structural systems based on ga
  为此，文中先扼要地介绍了传统遗传算法的基本原理及基于该方法的结构可靠性优化设计的基础理论，设计了一种改进的遗传算法。
• An artificial neural network ( ann ) is adopted for structural reliability investigation and the relative problems to the ann model estabolishment and its training are discussed . the examples are also provided
  摘要将人工神经网络应用于结构可靠性的研究，就结构可靠性研究的神经网络模型的建立及网络训练的有关问题进行了探索和讨论，同时给出了相应的算例。
• The design of the srm structural reliability is a process with continual mendding and continual feedback . during the process of the exploitation of the software , we made a general view of all the basic projects and methods
  本文在归纳总结了结构可靠性设计的基本理论和一般方法的基础上，结合固体火箭发动机的特点，运用cad技术，建立了发动机结构可靠性cad系统框架。