Stochastic Crack Propagation Book

Stochastic Crack Propagation


  • Author : Giora Maymon
  • Publisher : Academic Press
  • Release Date : 2018-01-10
  • Genre: Science
  • Pages : 214
  • ISBN 10 : 9780128141922

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Stochastic Crack Propagation Excerpt :

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 Crack Propagation Book

Stochastic Crack Propagation


  • Author : Giora Maymon
  • Publisher : Academic Press
  • Release Date : 2018-01-04
  • Genre: Uncategoriezed
  • Pages : 214
  • ISBN 10 : 0128141913

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Stochastic Crack Propagation Excerpt :

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 Book

Stochastic Crack Propagation with Applications to Durability and Damage Tolerance Analyses


  • Author : J. N. Yang
  • Publisher : Unknown
  • Release Date : 1985
  • Genre: Mathematical models
  • Pages : 243
  • ISBN 10 : MINN:31951D036986225

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Stochastic Crack Propagation with Applications to Durability and Damage Tolerance Analyses Excerpt :

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 Modeling of Thermal Fatigue Crack Growth Book

Stochastic Modeling of Thermal Fatigue Crack Growth


  • Author : Vasile Radu
  • Publisher : Springer
  • Release Date : 2014-11-19
  • Genre: Science
  • Pages : 89
  • ISBN 10 : 9783319128771

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Stochastic Modeling of Thermal Fatigue Crack Growth Excerpt :

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.

Advances in Stochastic Structural Dynamics Book

Advances in Stochastic Structural Dynamics


  • Author : W. Q. Zhu
  • Publisher : CRC Press
  • Release Date : 2003-05-13
  • Genre: Technology & Engineering
  • Pages : 624
  • ISBN 10 : 9780203492956

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Advances in Stochastic Structural Dynamics Excerpt :

Collection of technical papers presented at the 5th International Conference on Stochastic Structural Dynamics (SSD03) in Hangzhou, China during May 26-28, 2003. Topics include direct transfer substructure method for random response analysis, generation of bounded stochastic processes, and sample path behavior of Gaussian processes. For scientists

A Model for the Stochastic Fracture Behavior of Glass and Its Application to the Head Impact on Automotive Windscreens Book

A Model for the Stochastic Fracture Behavior of Glass and Its Application to the Head Impact on Automotive Windscreens


  • Author : Christopher Brokmann
  • Publisher : Springer Nature
  • Release Date : 2022
  • Genre: Automobiles
  • Pages : 154
  • ISBN 10 : 9783658367886

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A Model for the Stochastic Fracture Behavior of Glass and Its Application to the Head Impact on Automotive Windscreens Excerpt :

The book deals with the stochastic strength of glass and the application to the automotive windscreen in the case of a pedestrian head impact. A finite element model is derived. This model is then validated using known phenomena in connection with the fracture behaviour of glass and experimental values. After the strength of a windscreen has been intensively investigated, experiments with windscreens are simulated by means of the finite element model. Finally, the probability of a pedestrian suffering a head injury on impact with a windscreen is predicted, taking into account the stochastic fracture behaviour of glass. Up to now, this has not been taken into account in EuroNCAP crash tests, for example. Christopher Brokmann studied mechanical engineering at the University of Applied Sciences Mittelhessen from 2012 to 2017. He then completed his doctorate in the field of crash simulation at the Institute of Mechanics and Materials Research until 2021. In the research group of Prof. Dr. habil. Stefan Kolling, he worked on the stochastic fracture behavior of glass and its application in the field of crash simulation.

Handbook of Fatigue Crack Propagation in Metallic Structures Book

Handbook of Fatigue Crack Propagation in Metallic Structures


  • Author : A. Carpinteri
  • Publisher : Newnes
  • Release Date : 2012-12-02
  • Genre: Technology & Engineering
  • Pages : 834
  • ISBN 10 : 9780444600325

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Handbook of Fatigue Crack Propagation in Metallic Structures Excerpt :

The purpose of this Handbook is to provide a review of the knowledge and experiences in the field of fatigue fracture mechanics. It is well-known that engineering structures can fail due to cyclic loading. For instance, a cyclically time-varying loading reduces the structure strength and can provoke a fatigue failure consisting of three stages: (a) crack initiation (b) crack propagation and (c) catastrophic failure. Since last century many scientists have tried to understand the reasons for the above-mentioned failures and how to prevent them. This Handbook contains valuable contributions from leading experts within the international scientific community and covers many of the important problems associated with the fatigue phenomena in civil, mechanical and nuclear engineering.

A Unified Statistical Methodology for Modeling Fatigue Damage Book

A Unified Statistical Methodology for Modeling Fatigue Damage


  • Author : Enrique Castillo
  • Publisher : Springer Science & Business Media
  • Release Date : 2009-02-27
  • Genre: Technology & Engineering
  • Pages : 232
  • ISBN 10 : 9781402091827

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A Unified Statistical Methodology for Modeling Fatigue Damage Excerpt :

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.

Probabilistic fracture mechanics and reliability Book

Probabilistic fracture mechanics and reliability


  • Author : J.W. Provan
  • Publisher : Springer Science & Business Media
  • Release Date : 2013-04-17
  • Genre: Science
  • Pages : 467
  • ISBN 10 : 9789401727648

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Probabilistic fracture mechanics and reliability Excerpt :

With the advent of the 80's there has been an increasing need for analytic and numerical techniques, based on a thorough understanding of microstructural processes, that express in a manner suitable for practicing engineers the reliability of components and structures that are being subjected to degradation situations. Such situations fall within the framework offracture mechanics, fatigue, corrosion fatigue and pitting corrosion. Luckily, such techniques are now being developed and it was felt timely to combine in one volume reports by the leaders in this field who are currently making great strides towards solving these problems. Hence the idea of this monograph was born and I am pleased to be associated both with it and the contributors whose chapters are included in this volume. A very large part of the credit for this monograph must go to the authors who have taken time out from their busy schedules to prepare their submissions. They have all worked diligently over the last few months in order to get their manuscripts to me on time and I sincerely thank them for their help throughout the preparation of this volume.

Random Fatigue Book

Random Fatigue


  • Author : K. Sobczyk
  • Publisher : Academic Press
  • Release Date : 2012-12-02
  • Genre: Technology & Engineering
  • Pages : 288
  • ISBN 10 : 9780323138581

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Random Fatigue Excerpt :

For many years fatigue has been a significant and difficult problem for engineers, especially for those who design structures such as aircraft, bridges, pressure vessels, and cranes. Fatigue of engineering materials is commonly regarded as an important deterioration process and a principal mode of failure for various structural and mechanical systems. This book presents a unified approach to stochastic modeling of the fatigue phenomenon, particularly the fatigue crack growth process. The main approaches to construction of these stochastic models are presented to show their methodological consistency and potential usefulness in engineering practice. The analyses contained in this work should also inspire the development of new approaches for designing and performing fatigue experiments.

Hydro Environmental Analysis Book

Hydro Environmental Analysis


  • Author : James L. Martin
  • Publisher : CRC Press
  • Release Date : 2013-12-04
  • Genre: Science
  • Pages : 5742
  • ISBN 10 : 9781138000865

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Hydro Environmental Analysis Excerpt :

Focusing on fundamental principles, Hydro-Environmental Analysis: Freshwater Environments presents in-depth information about freshwater environments and how they are influenced by regulation. It provides a holistic approach, exploring the factors that impact water quality and quantity, and the regulations, policy and management methods that are necessary to maintain this vital resource. It offers a historical viewpoint as well as an overview and foundation of the physical, chemical, and biological characteristics affecting the management of freshwater environments. The book concentrates on broad and general concepts, providing an interdisciplinary foundation. The author covers the methods of measurement and classification; chemical, physical, and biological characteristics; indicators of ecological health; and management and restoration. He also considers common indicators of environmental health; characteristics and operations of regulatory control structures; applicable laws and regulations; and restoration methods. The text delves into rivers and streams in the first half and lakes and reservoirs in the second half. Each section centers on the characteristics of those systems and methods of classification, and then moves on to discuss the physical, chemical, and biological characteristics of each. In the section on lakes and reservoirs, it examines the characteristics and operations of regulatory structures, and presents the methods commonly used to assess the environmental health or integrity of these water bodies. It also introduces considerations for restoration, and presents two unique aquatic environments: wetlands and reservoir tailwaters. Written from an engineering perspective, the book is an ideal introduction to the aquatic and limnological sciences for students of environmental science, as well as students of environmental engineering. It also serves as a reference for engineers and scientists involved in the management, regulation, or restoration of

Fatigue and Fracture Reliability Engineering Book

Fatigue and Fracture Reliability Engineering


  • Author : J.J. Xiong
  • Publisher : Springer Science & Business Media
  • Release Date : 2011-01-22
  • Genre: Technology & Engineering
  • Pages : 214
  • ISBN 10 : 9780857292186

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Fatigue and Fracture Reliability Engineering Excerpt :

Fatigue and Fracture Reliability Engineering is an attempt to present an integrated and unified approach to reliability determination of fatigue and fracture behaviour, incorporating probability, statistics and other related areas. A series of original and practical approaches, are suggested in Fatigue and Fracture Reliability Engineering, including new techniques in determining fatigue and fracture performances. It also carries out an investigation into static and fatigue properties, and into the failure mechanisms of unnotched and notched CFR composite laminates with different lay-ups to optimize the stacking sequence effect. Further benefits include: a novel convergence-divergence counting procedure to extract all load cycles from a load history of divergence-convergence waves; practical scatter factor formulae to determine the safe fatigue crack initiation and propagation lives from the results of a single full-scale test of a complete structure; and a nonlinear differential kinetic model for describing the dynamical behaviour of an atom at a fatigue crack tip. Fatigue and Fracture Reliability Engineering is intended for practising engineers in marine, civil construction, aerospace, offshore, automotive and chemical industries. It is also useful reading for researchers on doctoral programmes, and is appropriate for advanced undergraduate and postgraduate programmes in any mechanically-oriented engineering discipline.

Fracture of Nano and Engineering Materials and Structures Book
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Fracture of Nano and Engineering Materials and Structures


  • Author : E.E. Gdoutos
  • Publisher : Springer Science & Business Media
  • Release Date : 2008-01-08
  • Genre: Science
  • Pages : 1416
  • ISBN 10 : 9781402049729

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Fracture of Nano and Engineering Materials and Structures Excerpt :

The 16th European Conference of Fracture (ECF16) was held in Greece, July, 2006. It focused on all aspects of structural integrity with the objective of improving the safety and performance of engineering structures, components, systems and their associated materials. Emphasis was given to the failure of nanostructured materials and nanostructures including micro- and nano-electromechanical systems (MEMS and NEMS).