Stochastic Crack Propagation

Author : Giora Maymon
Publisher : Academic Press
ISBN 13 : 0128141921
Total Pages : 216 pages
Book Rating : 4.22/5 ( download)

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Download or read book Stochastic Crack Propagation written by Giora Maymon and published by Academic Press. This book was released on 2018-01-02 with total page 216 pages. Available in PDF, EPUB and Kindle. Book 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

Author : J. N. Yang
Publisher :
ISBN 13 :
Total Pages : 268 pages
Book Rating : 4.25/5 ( download)

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Download or read book Stochastic Crack Propagation with Applications to Durability and Damage Tolerance Analyses written by J. N. Yang and published by . This book was released on 1985 with total page 268 pages. Available in PDF, EPUB and Kindle. Book 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.

Author :
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.34/5 ( download)

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Download or read book Stochastic Crack Propagation with Applications to Durability and Damage Tolerance Analyses written by and published by . This book was released on 1985 with total page 0 pages. Available in PDF, EPUB and Kindle. Book 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. Keywords: Fracture mechanics; Durability; and Structural components.

Author : J. N. Yang
Publisher :
ISBN 13 :
Total Pages : 243 pages
Book Rating : 4.64/5 ( download)

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Download or read book Stochastic Crack Propagation with Applications to Durability and Damage Tolerance Analyses written by J. N. Yang and published by . This book was released on 1985 with total page 243 pages. Available in PDF, EPUB and Kindle. Book 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.

Author : Wen-Hu Hsi
Publisher :
ISBN 13 :
Total Pages : 374 pages
Book Rating : 4.56/5 ( download)

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Download or read book Stochastic Analysis of Fatigue Crack Propagation written by Wen-Hu Hsi and published by . This book was released on 1985 with total page 374 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Author : Panickos Neophytos Palettas
Publisher :
ISBN 13 :
Total Pages : 234 pages
Book Rating : 4.61/5 ( download)

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Download or read book Stochastic Modeling and Predictions for Fatigue Crack Propagation written by Panickos Neophytos Palettas and published by . This book was released on 1988 with total page 234 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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Publisher :
ISBN 13 :
Total Pages : 24 pages
Book Rating : 4.70/5 ( download)

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Download or read book Stochastic Modeling of Crack Initiation and Short-crack Growth Under Creep and Creep-fatigue Conditions written by and published by . This book was released on 1989 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Author : Romesh C. Batra
Publisher : Springer Science & Business Media
ISBN 13 : 3642800017
Total Pages : 696 pages
Book Rating : 4.16/5 ( download)

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Download or read book Contemporary Research in Engineering Science written by Romesh C. Batra and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 696 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fatigue failures occur in aerospace,marine,nuclear structures and automobile com ponents from initiation and propagation of cracks from holes,scratches or defects in the material. To design against these failures, crack propagation life and fracture strength need to be accurately predicted. It is reported in the literature, that these failures often initiate as surface cracks, corner cracks and cracks emanating from fastner holes. Such cracks are with elliptic or nearly elliptic in shapes. The deviation from elliptic shape is due to varying constraint effect along the crack front. Even in situations, when the cracks are through the thickness of the material, there would be thicknesswise variation of constraint effects leading to three dimensional nature of crack growth. Accurate predictions of the crack growth in these cases by numerical methods can be made only by solving three-dimensional boundary value problems. Empirical relationships have been developed [1] based on Linear Elastic Fracture Mechanics over years describing fatigue crack growth response. Some of these empirical relationships required modifications in the later stages, to meet the design applications. The Crack closure phenomenon discovered by Elber[2, 3] during the crack growth phase is mainly attributed to the local material yielding near the crack tip and the consequent residual plastic wake behind the crack tip. It helped considerably in understanding several aspects of fatigue crack growth and rewrite these relations.

Author : Vasile Radu
Publisher : Springer
ISBN 13 : 3319128779
Total Pages : 96 pages
Book Rating : 4.71/5 ( download)

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Download or read book Stochastic Modeling of Thermal Fatigue Crack Growth written by Vasile Radu and published by Springer. This book was released on 2014-11-19 with total page 96 pages. Available in PDF, EPUB and Kindle. Book 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.

Author : Wolfgang Grellmann
Publisher : Springer Science & Business Media
ISBN 13 : 3662045567
Total Pages : 617 pages
Book Rating : 4.65/5 ( download)

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Download or read book Deformation and Fracture Behaviour of Polymers written by Wolfgang Grellmann and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 617 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book gives an overview of recent advances in the fracture mechanics of polymers, morphology property correlations, hybrid methods for polymer testing and polymer diagnostics, and biocompatible materials and medical prostheses, as well as application examples and limits.