Probabilistic Finite Elements For Fatigue And Fracture Analysis
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Probabilistic Finite Elements For Fatigue And Fracture Analysis
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Author : National Aeronautics and Space Administration (NASA)
language : en
Publisher: Createspace Independent Publishing Platform
Release Date : 2018-07-10
Probabilistic Finite Elements For Fatigue And Fracture Analysis written by National Aeronautics and Space Administration (NASA) and has been published by Createspace Independent Publishing Platform this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-07-10 with categories.
An overview of the probabilistic finite element method (PFEM) developed by the authors and their colleagues in recent years is presented. The primary focus is placed on the development of PFEM for both structural mechanics problems and fracture mechanics problems. The perturbation techniques are used as major tools for the analytical derivation. The following topics are covered: (1) representation and discretization of random fields; (2) development of PFEM for the general linear transient problem and nonlinear elasticity using Hu-Washizu variational principle; (3) computational aspects; (4) discussions of the application of PFEM to the reliability analysis of both brittle fracture and fatigue; and (5) a stochastic computational tool based on stochastic boundary element (SBEM). Results are obtained for the reliability index and corresponding probability of failure for: (1) fatigue crack growth; (2) defect geometry; (3) fatigue parameters; and (4) applied loads. These results show that initial defect is a critical parameter. Belytschko, Ted and Liu, Wing Kam Unspecified Center...
Probabilistic Finite Elements For Fatigue And Fracture Analysis
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Author : Ted Belytschko
language : en
Publisher:
Release Date : 1993
Probabilistic Finite Elements For Fatigue And Fracture Analysis written by Ted Belytschko and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with categories.
Probabilistic Finite Elements Applications To Fracture And Fatigue
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Author : Glen Howard Besterfield
language : en
Publisher:
Release Date : 1989
Probabilistic Finite Elements Applications To Fracture And Fatigue written by Glen Howard Besterfield and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989 with categories.
Fatigue Fracture And Damage Analysis
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Author :
language : en
Publisher:
Release Date : 2003
Fatigue Fracture And Damage Analysis written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Fracture mechanics categories.
Uncertainty Modeling In Finite Element Fatigue And Stability Of Systems
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Author : Achintya Haldar
language : en
Publisher: World Scientific
Release Date : 1997
Uncertainty Modeling In Finite Element Fatigue And Stability Of Systems written by Achintya Haldar and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Technology & Engineering categories.
The functionality of modern structural, mechanical and electrical or electronic systems depends on their ability to perform under uncertain conditions. Consideration of uncertainties and their effect on system behavior is an essential and integral part of defining systems. In eleven chapters, leading experts present an overview of the current state of uncertainty modeling, analysis and design of large systems in four major areas: finite and boundary element methods (common structural analysis techniques), fatigue, stability analysis, and fault-tolerant systems. The content of this book is unique; it describes exciting research developments and challenges in emerging areas, and provide a sophisticated toolbox for tackling uncertainty modeling in real systems.
Advances In Fatigue And Fracture Testing And Modelling
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Author : Zak Abdallah
language : en
Publisher: BoD – Books on Demand
Release Date : 2022-02-23
Advances In Fatigue And Fracture Testing And Modelling written by Zak Abdallah and has been published by BoD – Books on Demand this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-02-23 with Technology & Engineering categories.
Advances in Fatigue and Fracture Testing and Modelling explores various aspects related to fatigue and fracture in metallic and non-metallic materials in terms of mechanical testing and numerical modelling. The book provides results of research work conducted by experts worldwide. It discusses fatigue failure of materials and presents possible numerical solutions. It also presents predictive models and finite element (FE) activities to illustrate the behaviour of materials in real-life conditions.
Fatigue Reliability Analysis Framework For Medical Devices Based On A Probabilistic Finite Element Approach
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Author : Venkateswaran Shanmugam
language : en
Publisher:
Release Date : 2019
Fatigue Reliability Analysis Framework For Medical Devices Based On A Probabilistic Finite Element Approach written by Venkateswaran Shanmugam and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019 with Fatigue categories.
A probabilistic finite element approach to life analysis can be used to assess the structural reliability of a multitude of engineering structures, including medical devices. The framework to this approach, as outlined in this paper, may be useful in cases where quantification of the probability of fracture is of interest. In fatigue life prediction, structural reliability is assessed by combining the stresses developed in a device during component manufacturing with those experienced in the functional or in vivo environment and comparing that total fatigue stress with the fatigue strength of the material as processed in manufacturing the device. Probabilistic finite element analysis for fatigue life prediction is an extension of the deterministic finite element approach, whereby the input control variables are represented with specified probability distributions rather than single values. The input control variables represented by uncertainties require many finite element simulations, which can be created using a design-of-experiments approach. With the probabilistic finite element analysis approach, the probability of fracture is specifically bounded by the statistical distribution of the input control variables. In the present study, a framework is presented for the fatigue reliability analysis of medical devices using the probabilistic finite element approach. This framework is illustrated by a generic design example that includes a response surface model developed to capture fatigue stress distributions in the device with respect to input control variables. Monte Carlo simulations are used to generate the fatigue stress distribution in the device. The resultant fatigue stress distribution is compared with the materials fatigue strength distribution to estimate the structural reliability against fatigue.
Probabilistic And Environmental Aspects Of Fracture And Fatigue
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Author : Sharif Rahman
language : en
Publisher:
Release Date : 1999
Probabilistic And Environmental Aspects Of Fracture And Fatigue written by Sharif Rahman and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Technology & Engineering categories.
Contains 24 papers from an August 1999 conference, organized in two sections on probabilistic fatigue, fracture, and reliability, and environmental fractures and fatigue life. Papers present novel analytical and experimental methods related to fatigue, fracture mechanics, and environmental factors f
Computational Mechanics Of Probabilistic And Reliability Analysis
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Author : Wing Kam Liu
language : en
Publisher:
Release Date : 1989
Computational Mechanics Of Probabilistic And Reliability Analysis written by Wing Kam Liu and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989 with Engineering categories.
Probabilistic Models For Aluminum Microstructure And Intergranular Fracture Analysis
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Author : Sanjay Raja Arwade
language : en
Publisher:
Release Date : 1999
Probabilistic Models For Aluminum Microstructure And Intergranular Fracture Analysis written by Sanjay Raja Arwade and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with categories.