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Stochastic Crack Propagation

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Stochastic Crack Propagation

Stochastic Crack Propagation Book
Author : Giora Maymon
Publisher : Academic Press
Release : 2018-01-04
ISBN : 9780128141915
Language : En, Es, Fr & De

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Book Description :

Procedures for designing against fatigue in many products and structures make reference to crack propagation, however the stochastic behavior of this phenomena is not widely covered in publications. Introducing the stochastic behavior of crack growth to the analysis and design procedure allows engineers to optimize for reliability. Each chapter of Stochastic Crack Propagation describes a feature important to the analysis of stochastic crack propagation, starting with the essential background theory. Processes or phenomena which are of practical importance in the work of design engineers or R&D teams are described chapter by chapter. Many examples are described and supported by listed references, and files of data that can be used with specialist software to practice design situations. Advice on how to use various computer programs to design and predict for stochastic crack growth is provided, providing a complete guide for professionals. Presents instructions and exercises in the ideal format for professionals, focusing on applications Explains a methodology for how to optimize the engineering design process by including stochastic crack growth behavior Provides computational files to help readers get up to speed with designing using programs like ANSYS and NASTRAN for stochastic crack growth

Stochastic Crack Propagation with Applications to Durability and Damage Tolerance Analyses

Stochastic Crack Propagation with Applications to Durability and Damage Tolerance Analyses Book
Author : J. N. Yang
Publisher : Unknown
Release : 1985
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Various stochastic models for fatigue crack propagation under either constant amplitude or spectrum loadings have been investigated. These models are based on the assumption that the crack growth rate is a lognormal random process, including the general lognormal random process, lognormal white noise process, lognormal random variable, and second moment approximations, such as Weibull, gamma, lognormal and Gaussian closure approximations. Extensive experimental data have been used for the correlation study with various stochastic models. These include fastener hole specimens under fighter or bomber spectrum laodings and center-cracked specimens under constant amplitude loads. The data sets for the fastener hole specimens cover adequately different loading conditions, environments, load transfers and crack size range. It is shown that the white noise process is definitely not a valid model for fatigue crack propagation.

Stochastic Crack Propagation with Applications to Durability and Damage Tolerance Analyses

Stochastic Crack Propagation with Applications to Durability and Damage Tolerance Analyses Book
Author : J. N. Yang
Publisher : Unknown
Release : 1985
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Various stochastic models for fatigue crack propagation under either constant amplitude or spectrum loadings have been investigated. These models are based on the assumption that the crack growth rate is a lognormal random process, including the general lognormal random process, lognormal white noise process, lognormal random variable, and second moment approximations, such as Weibull, gamma, lognormal and Gaussian closure approximations. Extensive experimental data have been used for the correlation study with various stochastic models. These include fastener hole specimens under fighter or bomber spectrum laodings and center-cracked specimens under constant amplitude loads. The data sets for the fastener hole specimens cover adequately different loading conditions, environments, load transfers and crack size range. It is shown that the white noise process is definitely not a valid model for fatigue crack propagation.

Stochastic Crack Propagation

Stochastic Crack Propagation Book
Author : Giora Maymon
Publisher : Academic Press
Release : 2018-01-10
ISBN : 0128141921
Language : En, Es, Fr & De

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Book Description :

Stochastic Crack Propagation: Essential Practical Aspects describes a feature important to the analysis of stochastic crack propagation, starting with essential background theory. Processes, or phenomena, which are of practical importance in the work of design engineers or R&D teams are described chapter by chapter. Many examples are described and supported by listed references, and files of data that can be used with specialist software to practice design situations are included. Advice on how to use various computer programs to design and predict for stochastic crack growth is also provided, giving professionals a complete guide. Presents instructions and exercises in the ideal format for professionals, focusing on applications Explains a methodology on how to optimize the engineering design process by including stochastic crack growth behavior Provides computational files to help readers get up-to-speed with design using programs like ANSYS and NASTRAN for stochastic crack growth

Stochastic Modeling of Thermal Fatigue Crack Growth

Stochastic Modeling of Thermal Fatigue Crack Growth Book
Author : Vasile Radu
Publisher : Springer
Release : 2014-11-19
ISBN : 3319128779
Language : En, Es, Fr & De

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Book Description :

The book describes a systematic stochastic modeling approach for assessing thermal-fatigue crack-growth in mixing tees, based on the power spectral density of temperature fluctuation at the inner pipe surface. It shows the development of a frequency-temperature response function in the framework of single-input, single-output (SISO) methodology from random noise/signal theory under sinusoidal input. The frequency response of stress intensity factor (SIF) is obtained by a polynomial fitting procedure of thermal stress profiles at various instants of time. The method, which takes into account the variability of material properties, and has been implemented in a real-world application, estimates the probabilities of failure by considering a limit state function and Monte Carlo analysis, which are based on the proposed stochastic model. Written in a comprehensive and accessible style, this book presents a new and effective method for assessing thermal fatigue crack, and it is intended as a concise and practice-oriented guide for all undergraduate students, young scientists and researchers dealing with probabilistic assessment of structural integrity.

Stochastic Analysis of Fatigue Crack Propagation

Stochastic Analysis of Fatigue Crack Propagation Book
Author : Wen-Hu Hsi
Publisher : Unknown
Release : 1985
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Stochastic Analysis of Fatigue Crack Propagation book written by Wen-Hu Hsi, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Stochastic Modeling and Predictions for Fatigue Crack Propagation

Stochastic Modeling and Predictions for Fatigue Crack Propagation Book
Author : Panickos Neophytos Palettas,Prem Kumar Goel
Publisher : Unknown
Release : 1988
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Stochastic Modeling and Predictions for Fatigue Crack Propagation book written by Panickos Neophytos Palettas,Prem Kumar Goel, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Stochastic Modeling for Fatigue Crack Propagation

Stochastic Modeling for Fatigue Crack Propagation Book
Author : Panickos N. Palettas,Prem K. Goel,Virginia Polytechnic Institute and State University. Department of Statistics
Publisher : Unknown
Release : 1990
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Stochastic Modeling for Fatigue Crack Propagation book written by Panickos N. Palettas,Prem K. Goel,Virginia Polytechnic Institute and State University. Department of Statistics, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Stochastic Fatigue Crack Growth in Steel Structures Subjected to Random Loading

Stochastic Fatigue Crack Growth in Steel Structures Subjected to Random Loading Book
Author : Ruohua Zheng,Bruce R. Ellingwood,Johns hopkins univ baltimore md Dept. of civil engineering,United States. Army. Corps of Engineers,U.S. Army Engineer Waterways Experiment Station,Information Technology Laboratory (U.S. Army Engineer Waterways Experiment Station),Computer-aided Structural Engineering Project
Publisher : Unknown
Release : 1998
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Fatigue crack growth can be a significant problem in steel structures that are subjected to a large number of repeated load cycles during their service lives. Uncertainty in fatigue behavior arises from the random nature of the service load, environmental conditions, material properties and other factors. Stochastic approaches to model this uncertainty can lead to improved fatigue-resistant design or in-service inspection and maintenance policies. This report generalizes the stochastic model of uncertainty in crack growth under constant amplitude loading by introducing a random noise process with arbitrary (generally non-Gaussian) marginal distribution and correlation structure. A computationally efficient method based on the rainflow method of stress identification is proposed for handling broad-band stress processes in analyzing stochastic crack propagation. The impact of uncertainty in flaw detection and measurement capabilities on in-service structural condition assessment and reliability-based service life prediction also is investigated. The proposed method is applied in a time-dependent reliability analysis of a steel miter gate at the Emsworth Lock and Dam that suffered severe deterioration from corrosion-fatigue. The predicted fatigue behavior is consistent with observations of damage over a sixty-year service life, providing some confirmation of the use of stochastic fatigue analysis in structural condition assessment and service life prediction.

Numerical Modelling of Crack Propagation in Quasi brittle Heterogeneous Materials

Numerical Modelling of Crack Propagation in Quasi brittle Heterogeneous Materials Book
Author : Elia Gironacci
Publisher : Unknown
Release : 2018
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Numerical Modelling of Crack Propagation in Quasi brittle Heterogeneous Materials book written by Elia Gironacci, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Stochastic Approach to Fatigue

Stochastic Approach to Fatigue Book
Author : K. Sobczyk
Publisher : Springer
Release : 2014-05-04
ISBN : 3709126223
Language : En, Es, Fr & De

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Book Description :

Fatigue of engineering materials is a very complicated process that is difficult to accurately describe and predict. It is no doubt nowadays, that a fatigue of real materials should be regarded as a random phenomenon and analyzed by use of stochastic theory. This volume of the lectures sumarises the latest achievements in stochastic modelling and analysis of fatigue. The lectures cover the following important aspects of modern analysis of fatigue: methodology of stochastic modelling of fatigue, tools for characterization of random fatigue loads, physical and mechanical aspects of random fatigue, basic stochastic models for fatigue and the estimation of fatigue reliability of specific structural systems.

Stochastic Processes and Random Vibrations

Stochastic Processes and Random Vibrations Book
Author : Júlíus Sólnes
Publisher : Wiley
Release : 1997-07-07
ISBN : 9780471971924
Language : En, Es, Fr & De

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Book Description :

Beginning with the basics of probability and an overview of stochastic process, this book goes on to explore their engineering applications: random vibration and system analysis. It addresses extreme conditions such as distribution of large vibration peaks, probabilities of exceeding certain limits, and fatigue. Includes numerous tested examples: earthquake risk analysis, distribution of extreme wind speeds, analysis of structural reliability, earthquake response of tall multi-storey structure and wind loading of tall towers.

A Unified Statistical Methodology for Modeling Fatigue Damage

A Unified Statistical Methodology for Modeling Fatigue Damage Book
Author : Enrique Castillo,Alfonso Fernandez-Canteli
Publisher : Springer Science & Business Media
Release : 2009-02-27
ISBN : 1402091826
Language : En, Es, Fr & De

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Book Description :

This book is an attempt to provide a uni?ed methodology to derive models for fatigue life. This includes S-N, ?-N and crack propagation models. This is not a conventional book aimed at describing the fatigue fundamentals, but rather a book in which the basic models of the three main fatigue approaches, the stress-based, the strain-based and the fracture mechanics approaches, are contemplated from a novel and integrated point of view. On the other hand, as an alternative to the preferential attention paid to deterministic models based on the physical, phenomenological and empirical description of fatigue, their probabilistic nature is emphasized in this book, in which stochastic fatigue and crack growth models are presented. This book is the result of a long period of close collaborationbetween its two authors who, although of di?erent backgrounds, mathematical and mechanical, both have a strong sense of engineering with respect to the fatigue problem. When the authors of this book ?rst approached the fatigue ?eld in 1982 (twenty six years ago), they found the following scenario: 1. Linear, bilinear or trilinear models were frequently proposed by relevant laboratoriesandacademiccenterstoreproducetheW ̈ ohler?eld. Thiswas the case of well known institutions, which justi?ed these models based on clientrequirementsorpreferences. Thisledtotheinclusionofsuchmodels and methods as, for example, the up-and-down, in standards and o?cial practical directives (ASTM, Euronorm, etc.), which have proved to be unfortunate.

Stochastic mechanics of discrete media

Stochastic mechanics of discrete media Book
Author : D. R. Axelrad
Publisher : Springer Verlag
Release : 1993-12-02
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Stochastic mechanics of discrete media book written by D. R. Axelrad, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Stochastic Fatigue Crack Initiation and Propagation in Polycrystalline Solids

Stochastic Fatigue Crack Initiation and Propagation in Polycrystalline Solids Book
Author : Hamouda A. S. Ghonem
Publisher : Unknown
Release : 1978
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Stochastic Fatigue Crack Initiation and Propagation in Polycrystalline Solids book written by Hamouda A. S. Ghonem, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Health Monitoring for Airframe Structural Characterization

Health Monitoring for Airframe Structural Characterization Book
Author : Anonim
Publisher : Unknown
Release : 2002
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Health Monitoring for Airframe Structural Characterization book written by , available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Progresses in Fracture and Strength of Materials and Structures

Progresses in Fracture and Strength of Materials and Structures Book
Author : Yu Zhou,Shan Tung Tu,Xi Shan Xie
Publisher : Trans Tech Publications Ltd
Release : 2007-09-10
ISBN : 3038131350
Language : En, Es, Fr & De

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Book Description :

Volume is indexed by Thomson Reuters CPCI-S (WoS). The collection coveres all aspects of fracture and strength of materials and structure, particularly of advanced materials ranging from nanoscale to macroscale and modern structural systems ranging from large scale plants to micro- devices.

Information Technology Applications in Industry Computer Engineering and Materials Science

Information Technology Applications in Industry  Computer Engineering and Materials Science Book
Author : S.Z. Cai,Q.F. Zhang
Publisher : Trans Tech Publications Ltd
Release : 2013-09-18
ISBN : 3038261513
Language : En, Es, Fr & De

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Book Description :

Collection of selected, peer reviewed papers from the 2013 3rd International Conference on Materials Science and Information Technology (MSIT 2013), September 14-15, 2013, Nanjing, Jiangsu, China. The 958 papers are grouped as follows: Chapter 1: Materials Science and Engineering; Chapter 2: Mechatronics, Control, Testing, Measurement, Instrumentation, Detection and Monitoring Technologies; Chapter 3: Communication, Computer Engineering and Information Technologies; Chapter 4: Data Processing and Applied Computational Methods and Algorithms; Chapter 5: Power Systems and Electronics, Microelectronics and Embedded, Integrated Systems, Electric Applications; Chapter 6: Manufacturing, Industry Development and Automation.