The initial imperfection and the strength parameters are considered as random variables. Ply-level failure probability is evaluated by the first order reliability method.
初始缺陷和强度参数为设计变量,采用一阶矩法计算单元层的失效概率。
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.
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。
In order to deal with complex tree-type structure of feeders. a smart reliability calculation method is developed.
在配电网可靠性计算中,实现了一种非常灵活的可靠性算法,能够处理结构任意复杂的树型馈线。
The function of this system is to simulate the actual motion state of ship at sea in order to provide a new experimental method for studying the dynamic reliability of ship and Marine equipment.
该系统的主要功能是模拟船舶在海浪上的运动状态,可为船舶及船用设备进行动态可靠性的研究提供一种新的实验研究方法。
In order to ensure the reliability of flywheel bolt connection, stress analysis of bolt is performed using contact analysis method.
为了确保飞轮螺栓连接的可靠性,采用接触分析法对螺栓进行了应力分析。
Based on reliability theory, the first order second moment method (JC method) is adopted to analyze and compute the fatigue reliability.
基于可靠度理论,本文采用一次二阶矩法(JC法)对疲劳裂纹扩展可靠性进行计算。
In this paper, in order to improve reliability and repetitive-use properties of titanium fastening piece, microplasma oxidation method had been advanced on the surface technology.
本课题针对钛合金紧固件摩擦学性能的改善,将微等离子体氧化技术应用在钛合金紧固件表面改性上,以提高其可靠性和重复使用性。
The digital controlled current-sharing method is adopted in the scheme in order to improve the reliability and anti-interference capacity of power supply system.
该方案采用数字均流方法,提高了电源系统的可靠性和抗干扰能力。
In order to improve working reliability, increase grain mass, and achieve ignition and stage separation at the same time, a successful method is to apply an external igniter to solid rocket motor.
为了提高固体发动机工作可靠性,增加装药质量,同时实现二级点火和级间分离,应用体外点火器是一种成功的方法。
The advanced first order and second moment iterative method are employed for calculation on reliability index and failure probability.
采用改进的一次二阶矩法对腐蚀管道的可靠性指标和失效概率进行了分析和计算。
In order to improve reliability and accuracy of impact point positioning in the last stage of missile range, a fusion positioning method of measurement data is presented in this paper.
为了提高靶场末区落点定位的可靠性和准确性,提出了一种多传感器测量数据融合的定位方法。
In order to improve the reliability and robustness of the blade model alignment process, a blade model alignment method which takes into consideration its blend and twist deformation is presented.
针对涡轮叶片的弯扭变形对叶片模型配准定位的不利影响,提出一种考虑弯扭变形的叶片模型配准方法,以提高叶片模型配准的可靠性与鲁棒性。
In order to repair the flaws of traditional design method, it is reasonable to introduce the Monte Carlo method to the reliability design and analysis of gun components.
为了弥补传统的设计方法带来的缺陷,将蒙特卡洛方法引入枪械零件的可靠性设计与分析。
Secondly, the procedure of tunnel lining based on First Order Second Moment(FOSM) and JC method is presented to calculate the reliability of tunnel lining.
根据提出的可靠度计算理论和方法,编制了基于一次二阶矩和JC法的可靠度计算程序。
It has broken the conventional law of design. A model experiment was conducted in order to demonstrate the reliability of this method.
该方法打破了传统的设计规律,为验证该方法的可靠性进行了模型试验。
Because of the complexity and high order nonlinear property of the criterion, a derivative method for compound function is used to get reliability.
由于准则方程的高次非线性和复杂性,文中利用复合函数求导法则,直接针对基本随机变量求解。
In order to reducing the cost of test and improving the reliability of integrated circuit, current based test method arises at the historic moment.
为了降低测试成本并且提高集成电路的可靠性,电流测试应运而生。
If the test result is no failure, it can get the lower confidence limit of software reliability using the method of order.
当测试结果无失效时,利用序求解软件可靠度的精确置信限。
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.
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。
Finally, a output cavity loaded with a filter is computed and the computed result is analyzed and compared with cold test data in order to conform the reliability of this simulated computation method.
最后通过滤波器加载输出腔的模拟计算结果与冷测结果的比较和分析,进一步验证该方法的可靠性。
We also studies how the initial model and data errors influence the results of 3-D inversion in this paper, in order to investigate stability and reliability of the 3-D inversion method.
讨论了初始模型选择及数据误差对三维反演结果的影响,说明了反演方法的稳定性和可靠性。
A method to analyze reliability of gravity DAMS using the second order sequence response surface method is described.
提出了用二次序列响应面法分析重力坝可靠度的方法。
The reliability of the fatigue crack growth life of single inclusion is analyzed by the advanced first order and second moment method.
采用改进一次二阶矩法分析单个夹杂裂纹扩展的可靠性。
Based on the generalized reliability index given by Ditlevsen and the first order second moment method, a simplifed calculating method on structural reliability is presented.
基于由Ditlevsen给出的广义可靠指标和一次二阶矩法,提出了一个简捷的结构可靠度计算方法。
In order to increase the occupying coefficient and reliability of digital experiment boxes, we improve power supply and panel design. The design method and the circuit diagram are presented.
为提高数字电路实验箱的利用率和可靠性,本文针对数字电路实验箱存在的问题,提出了电源和面板改进方法。
In order to ensure the safety, reliability, high quality and economy, it is necessary to update the design idea and improve the design method and the design level.
为了保证牵引供电的安全、可靠、高质和经济,必须要更新设计理念,改进设计手段,提高设计水平。
The present usually reliability analysis method for engineering structures are Monte Carlo Simulate (MCS), First-order Second-moment method (FOSM) and reliability Surface method (RSM).
现有基本的结构可靠度计算方法可分为一次二阶矩法、蒙特卡罗法和响应面法。
Design point method, in which the iterative calculation is needed to computer the reliability index, is usually used for first-order reliability analysis of slope.
边坡稳定一阶可靠度分析的常用方法是验算点法,该方法在求解可靠指标时需要进行迭代计算。
Design point method, in which the iterative calculation is needed to computer the reliability index, is usually used for first-order reliability analysis of slope.
边坡稳定一阶可靠度分析的常用方法是验算点法,该方法在求解可靠指标时需要进行迭代计算。
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