Stochastic Crack Propagation with Applications to Durability and Damage Tolerance Analyses

Stochastic Crack Propagation with Applications to Durability and Damage Tolerance Analyses PDF

Author: J. N. Yang

Publisher:

Published: 1985

Total Pages: 268

ISBN-13:

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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.

Probabilistic fracture mechanics and reliability

Probabilistic fracture mechanics and reliability PDF

Author: J.W. Provan

Publisher: Springer Science & Business Media

Published: 2013-04-17

Total Pages: 477

ISBN-13: 9401727643

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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.

Mathematical Concepts and Applications in Mechanical Engineering and Mechatronics

Mathematical Concepts and Applications in Mechanical Engineering and Mechatronics PDF

Author: Ram, Mangey

Publisher: IGI Global

Published: 2016-10-25

Total Pages: 495

ISBN-13: 1522516409

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The application of mathematical concepts has proven to be beneficial within a number of different industries. In particular, these concepts have created significant developments in the engineering field. Mathematical Concepts and Applications in Mechanical Engineering and Mechatronics is an authoritative reference source for the latest scholarly research on the use of applied mathematics to enhance the current trends and productivity in mechanical engineering. Highlighting theoretical foundations, real-world cases, and future directions, this book is ideally designed for researchers, practitioners, professionals, and students of mechatronics and mechanical engineering.

Numerical Methods for Reliability and Safety Assessment

Numerical Methods for Reliability and Safety Assessment PDF

Author: Seifedine Kadry

Publisher: Springer

Published: 2014-09-30

Total Pages: 807

ISBN-13: 331907167X

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This book offers unique insight on structural safety and reliability by combining computational methods that address multiphysics problems, involving multiple equations describing different physical phenomena and multiscale problems, involving discrete sub-problems that together describe important aspects of a system at multiple scales. The book examines a range of engineering domains and problems using dynamic analysis, nonlinear methods, error estimation, finite element analysis and other computational techniques. This book also: · Introduces novel numerical methods · Illustrates new practical applications · Examines recent engineering applications · Presents up-to-date theoretical results · Offers perspective relevant to a wide audience, including teaching faculty/graduate students, researchers and practicing engineers.

Stochastic Approach to Fatigue

Stochastic Approach to Fatigue PDF

Author: K. Sobczyk

Publisher: Springer

Published: 2014-05-04

Total Pages: 303

ISBN-13: 3709126223

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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.

Scientific and Technical Aerospace Reports

Scientific and Technical Aerospace Reports PDF

Author:

Publisher:

Published: 1995

Total Pages: 456

ISBN-13:

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Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.

SSC.

SSC. PDF

Author: United States. Ship Structure Committee

Publisher:

Published: 1992

Total Pages: 226

ISBN-13:

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Applications of Automation Technology to Fatigue and Fracture Testing and Analysis

Applications of Automation Technology to Fatigue and Fracture Testing and Analysis PDF

Author: Arthur A. Braun

Publisher: ASTM International

Published: 1997

Total Pages: 157

ISBN-13: 0803124163

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From a November 1995 symposium in Norfolk, Virginia 11 papers report on how computers are playing an ever greater role in testing for fatigue and fracture as applications have become more sophisticated and hardware smaller and more powerful over the past few years. Covering data acquisition, simulat

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