نتایج جستجو برای: failure probability

تعداد نتایج: 580124  

Journal: :Proceedings of ... Conference on Coastal Engineering 2023

Nowadays, the existence of a huge number aging harbor defense structures and climate change-induced forcing variability highlight need for methodology able to deal with uncertainties which arise during design new above all upgraded structures. In present work, probabilistic based on Monte Carlo simulation technique assessment failure probability due independent modes factor change method inclus...

2013
Xiao-Song Tang Dian-Qing Li Chuang-Bing Zhou Li-Min Zhang

The modeling of joint probability distributions of correlated variables and the evaluation of reliability under incomplete probability information remain a challenge that has not been studied extensively. This article aims to investigate the effect of copulas for modeling dependence structures between variables on reliability under incomplete probability information. First, a copula-based metho...

2013
N. A. Salim M. M. Othman I. Musirin M. S. Serwan

Protection system hidden failures have been identified as one of the main causes of system cascading collapse resulting to power system instability. In this paper, a systematic approach is presented in order to identify the probability of a system cascading collapse by taking into consideration the effect of protection system hidden failure. This includes the accurate calculation of the probabi...

In this study a modified entropy-based measure is presented for evaluating the serviceability level of water distribution networks in which the hydraulic uncertainties (flow rates in pipes) as well as the uncertainties due to mechanical parameters (failure probabilities of links) are considered simultaneously. In the proposed entropy calculation method, the connectivity order of the network dem...

Introduction: Risk assessment of hazardous processes is the priority of risk management. Layer of protection analysis (LOPA) is one of the most popular methods used for risk assessment. Due to the insufficient information or uncertainty in failure rates (PFD) of protective layers, risk assessment based on the conventional LOPA can result in error in calculations. In this study, we tried to use ...

ژورنال: اقیانوس شناسی 2020

Breakwaters are among the most frequently-used coastal protective structures and their stability is vital to avoid turbulence at the ports. The main purpose of the present research is to use the theory of fuzzy random variables and the second-order reliability method (SORM) to study the reliability of a rubble-mound breakwater against the failure due to the armor layer instability. The limit-st...

Journal: :International Journal of Next-Generation Networks 2010

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