Vibration Fatigue By Spectral Methods

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Vibration Fatigue by Spectral Methods

Janko Slavič,Miha Boltezar,Matjaz Mrsnik,Martin Cesnik,Jaka Javh
Vibration Fatigue by Spectral Methods Book PDF

Author : Janko Slavič,Miha Boltezar,Matjaz Mrsnik,Martin Cesnik,Jaka Javh
Publisher : Elsevier
Page : 230 pages
File Size : 46,6 Mb
Release : 2020-08-20
Category : Technology & Engineering
ISBN : 9780128223666

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Vibration Fatigue by Spectral Methods by Janko Slavič,Miha Boltezar,Matjaz Mrsnik,Martin Cesnik,Jaka Javh Pdf

Vibration Fatigue by Spectral Methods relates the structural dynamics theory to the high-cycle vibration fatigue. The book begins with structural dynamics theory and relates the uniaxial and multiaxial vibration fatigue to the underlying structural dynamics and signal processing theory. Organized in two parts, part I gives the theoretical background and part II the selected experimental research. The time- and frequency- domain aspects of signal processing in general, related to structural dynamics and counting methods are covered in detail. It also covers all the underlying theory in structural dynamics, signal processing, uniaxial & multiaxial fatigue; including non-Gaussianity and non-stationarity. Finally, it provides the latest research on multiaxial vibration fatigue and the non-stationarity and non-Gaussianity effects. This book is for engineers, graduate students, researchers and industry professionals working in the field of structural durability under random loading and vibrations and also those dealing with fatigue of materials and constructions. Introduces generalized structural dynamics theory of multiaxial vibration fatigue Maximizes understanding of structural dynamics theory in relation to frequency domain fatigue Illustrates connections between experimental work and theory with case studies, cross-referencing, and parallels to accelerated vibration testing

Non-Gaussian Random Vibration Fatigue Analysis and Accelerated Test

Yu Jiang,Junyong Tao,Xun Chen
Non Gaussian Random Vibration Fatigue Analysis and Accelerated Test Book PDF

Author : Yu Jiang,Junyong Tao,Xun Chen
Publisher : Springer Nature
Page : 171 pages
File Size : 50,7 Mb
Release : 2021-09-15
Category : Technology & Engineering
ISBN : 9789811636943

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Non-Gaussian Random Vibration Fatigue Analysis and Accelerated Test by Yu Jiang,Junyong Tao,Xun Chen Pdf

This book discusses the theory, method and application of non-Gaussian random vibration fatigue analysis and test. The main contents include statistical analysis method of non-Gaussian random vibration, modeling and simulation of non-Gaussian/non-stationary random vibration, response analysis under non-Gaussian base excitation, non-Gaussian random vibration fatigue life analysis, fatigue reliability evaluation of structural components under Gaussian/non-Gaussian random loadings, non-Gaussian random vibration accelerated test method and application cases. From this book, the readers can not only learn how to reproduce the non-Gaussian vibration environment actually experienced by the product, but also know how to evaluate the fatigue life and reliability of the structure under non-Gaussian random excitation.

Spectral Method in Multiaxial Random Fatigue

Adam Nieslony,Ewald Macha
Spectral Method in Multiaxial Random Fatigue Book PDF

Author : Adam Nieslony,Ewald Macha
Publisher : Springer Science & Business Media
Page : 148 pages
File Size : 53,6 Mb
Release : 2007-09-04
Category : Technology & Engineering
ISBN : 9783540738237

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Spectral Method in Multiaxial Random Fatigue by Adam Nieslony,Ewald Macha Pdf

This monograph examines the theoretical foundations of the spectral method for fatigue life determination. The authors discuss a rule of description of random loading states with the matrix of power spectral density functions of the stress/strain tensor components. Some chosen criteria of multiaxial fatigue failure are analyzed. The formula proposed in this book enables readers to determine power spectral density of the equivalent history directly from the components of the power spectral density matrix of the multidimensional stochastic process.

Spectral method for fatigue damage estimation with non-zero mean stress

Pedro H. Alves Corrêa
Spectral method for fatigue damage estimation with non zero mean stress Book PDF

Author : Pedro H. Alves Corrêa
Publisher : Editora Dialética
Page : 68 pages
File Size : 52,7 Mb
Release : 2022-08-01
Category : Technology & Engineering
ISBN : 9786525253213

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Spectral method for fatigue damage estimation with non-zero mean stress by Pedro H. Alves Corrêa Pdf

This thesis consists of a fatigue study carried out on an aluminum alloy 2024-T3 in both time domain and frequency domain. Non-zero mean random signals of strain and stress are analyzed in time domain using usual Rainflow method and the damage is accumulated with the Palmgren-Miner rule, according to mean stress equations. The signals are analyzed in frequency domain using the power spectral density and the probability density function. The spectral domain analysis does not consider the negative effect of the mean stress in metal life under fatigue, so the correction factors for mean stresses developed by Goodman, Morrow, and Smith-Watson-Topper are used to change the power spectral density and, thus, the damage calculated by the probability density functions postulated by Dirlik and Tovo and Benasciutti. It is found that both Dirlik and Tovo and Benasciutti are non-conservative for a non-zero mean stress signal when comparing the damage to the one obtained in time domain analysis. When the spectral method is corrected, the results vary from Rainflow 4.9% for wide band and 6.8% for narrow band signals, always in the conservative zone, therefore predicting more damage. Tovo and Benasciutti 2 method is found to be the spectral function with the closest results when compared to the usual Rainflow method in time domain.

Fatigue Damage

Christi Lalanne
Fatigue Damage Book PDF

Author : Christi Lalanne
Publisher : CRC Press
Page : 376 pages
File Size : 52,5 Mb
Release : 2002-03-29
Category : Art
ISBN : 1560329890

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Fatigue Damage by Christi Lalanne Pdf

About the Series: This important new series of five volumes has been written with both the professional engineers and the academic in mind. Christian Lalanne explores every aspect of vibration and shock, two fundamental and crucially important areas of mechanical engineering, from both the theoretical and practical standpoints. As all products need to be designed to withstand the environmental conditions to which they are likely to be subjected, prototypes must be verified by calculation and laboratory tests, the latter according to specifications from national or international standards. The concept of tailoring the product to its environment has gradually developed whereby, from the very start of a design project, through the to the standards specifications and testing procedures on th e prototype, the real environment in which the product being tested will be functioning is taken into account. The five volumes of Mechanical Shock and Vibration cover all the issues that need to be addressed in this area of mechanical engineering. The theoretical analyses are placed in the context of the real world and of laboratory tests - essential for the development of specifications. Volume IV: Fatigue Damage Fatigue damage in a system with one degree of freedom is one of the two criteria applied when comparing the severity of vibratory environments. The same criterion is also employed for a specifciation representing the effects produced by the set of vibrations imposed in a real environment. In this volume, which is devoted to the calculation of fatigue damage, the author explores the hypotheses adopted to describe the behavior of material suffering fatigue and the laws of fatigue accumulation. He also considers the methods of counting the response peaks, which are used to establish the histogram when it is impossible to use the probability density of the peaks obtained with a Gaussian signal. The expressions for mean damage and its standard deviation are established and other hypotheses are tested.

Random Vibrations

Loren D. Lutes,Shahram Sarkani
Random Vibrations Book PDF

Author : Loren D. Lutes,Shahram Sarkani
Publisher : Butterworth-Heinemann
Page : 652 pages
File Size : 47,9 Mb
Release : 2004
Category : Science
ISBN : 9780750677653

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Random Vibrations by Loren D. Lutes,Shahram Sarkani Pdf

The topic of Random Vibrations is the behavior of structural and mechanical systems when they are subjected to unpredictable, or random, vibrations. These vibrations may arise from natural phenomena such as earthquakes or wind, or from human-controlled causes such as the stresses placed on aircraft at takeoff and landing. Study and mastery of this topic enables engineers to design and maintain structures capable of withstanding random vibrations, thereby protecting human life. Random Vibrations will lead readers in a user-friendly fashion to a thorough understanding of vibrations of linear and nonlinear systems that undergo stochastic-random-excitation. Provides over 150 worked out example problems and, along with over 225 exercises, illustrates concepts with true-to-life engineering design problems Offers intuitive explanations of concepts within a context of mathematical rigor and relatively advanced analysis techniques. Essential for self-study by practicing engineers, and for instruction in the classroom.

Metal Fatigue Analysis Handbook

Yung-Li Lee,Mark E. Barkey,Hong-Tae Kang
Metal Fatigue Analysis Handbook Book PDF

Author : Yung-Li Lee,Mark E. Barkey,Hong-Tae Kang
Publisher : Elsevier
Page : 634 pages
File Size : 52,8 Mb
Release : 2011-08-17
Category : Technology & Engineering
ISBN : 9780123852045

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Metal Fatigue Analysis Handbook by Yung-Li Lee,Mark E. Barkey,Hong-Tae Kang Pdf

Understand why fatigue happens and how to model, simulate, design and test for it with this practical, industry-focused reference Written to bridge the technology gap between academia and industry, the Metal Fatigue Analysis Handbook presents state-of-the-art fatigue theories and technologies alongside more commonly used practices, with working examples included to provide an informative, practical, complete toolkit of fatigue analysis. Prepared by an expert team with extensive industrial, research and professorial experience, the book will help you to understand: Critical factors that cause and affect fatigue in the materials and structures relating to your work Load and stress analysis in addition to fatigue damage-the latter being the sole focus of many books on the topic How to design with fatigue in mind to meet durability requirements How to model, simulate and test with different materials in different fatigue scenarios The importance and limitations of different models for cost effective and efficient testing Whilst the book focuses on theories commonly used in the automotive industry, it is also an ideal resource for engineers and analysts in other disciplines such as aerospace engineering, civil engineering, offshore engineering, and industrial engineering. The only book on the market to address state-of-the-art technologies in load, stress and fatigue damage analyses and their application to engineering design for durability Intended to bridge the technology gap between academia and industry - written by an expert team with extensive industrial, research and professorial experience in fatigue analysis and testing An advanced mechanical engineering design handbook focused on the needs of professional engineers within automotive, aerospace and related industrial disciplines

Engineering Asset Management - Systems, Professional Practices and Certification

Peter W. Tse,Joseph Mathew,King Wong,Rocky Lam,C.N. Ko
Engineering Asset Management Systems Professional Practices and Certification Book PDF

Author : Peter W. Tse,Joseph Mathew,King Wong,Rocky Lam,C.N. Ko
Publisher : Springer
Page : 1758 pages
File Size : 40,6 Mb
Release : 2014-12-09
Category : Technology & Engineering
ISBN : 9783319095073

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Engineering Asset Management - Systems, Professional Practices and Certification by Peter W. Tse,Joseph Mathew,King Wong,Rocky Lam,C.N. Ko Pdf

This proceeding represents state-of-the-art trends and developments in the emerging field of engineering asset management as presented at the Eight World Congress on Engineering Asset Management (WCEAM). The Proceedings of the WCEAM 2013 is an excellent reference for practitioners, researchers and students in the multidisciplinary field of asset management, covering topics such as: Asset condition monitoring and intelligent maintenance, 2. Asset data warehousing, data mining and fusion, 3. Asset performance and level-of-service models, 4. Design and life-cycle integrity of physical assets, 5. Deterioration and preservation models for assets, 6. Education and training in asset management, 7. Engineering standards in asset management, 8. Fault diagnosis and prognostics, 9. Financial analysis methods for physical assets, 10. Human dimensions in integrated asset management, 11. Information quality management, 12. Information systems and knowledge management, 13. Intelligent sensors and devices, 14. Maintenance strategies in asset management, 15. Optimisation decisions in asset management, 16. Risk management in asset management, 17. Strategic asset management, 18. Sustainability in asset management. King WONG served as Congress Chair for WCEAM 2013 and ICUMAS 2013 is the President of the Hong Kong Institute of Utility Specialists (HKIUS) and Convener of International Institute of Utility Specialists (IIUS). Peter TSE is the Director of the Smart Engineering Asset Management laboratory (SEAM) at the City University of Hong Kong and served as the Chair of WCEAM 2013 Organising Committee. Joseph MATHEW served as the Co-Chair of WCEAM 2013 is also WCEAM’s General Chair. He is the Chief Executive Officer of Asset Institute, Australia.

Reliability of High-Power Mechatronic Systems 1

Abdelkhalak El Hami,David Delaux,Henri Grzeskowiak
Reliability of High Power Mechatronic Systems 1 Book PDF

Author : Abdelkhalak El Hami,David Delaux,Henri Grzeskowiak
Publisher : Elsevier
Page : 312 pages
File Size : 48,9 Mb
Release : 2017-09-27
Category : Technology & Engineering
ISBN : 9780081024225

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Reliability of High-Power Mechatronic Systems 1 by Abdelkhalak El Hami,David Delaux,Henri Grzeskowiak Pdf

This first volume of a set dedicated to the reliability of high-power mechatronic systems focuses specifically on simulation, modeling and optimization in automotive and aerospace applications. In the search to improve industrial competitiveness, the development of methods and tools for the design of products is especially pertinent in the context of cost reduction. This book seeks to propose new methods that simultaneously allow for a quicker design of future mechatronic devices in the automotive and aerospace industries while guaranteeing their increased reliability. The reliability of these critical elements is further validated digitally through new multi-physical and probabilistic models that could ultimately lead to new design standards and reliable forecasting. Presents a methodological guide that demonstrates the reliability of fractured mechatronic components and devices Includes numerical and statistical models to optimize the reliability of the product architecture Helps users develop a methodology to characterize critical elements at the earliest stage

Random Vibrations

Paul H. Wirsching,Thomas L. Paez,Keith Ortiz
Random Vibrations Book PDF

Author : Paul H. Wirsching,Thomas L. Paez,Keith Ortiz
Publisher : Courier Corporation
Page : 465 pages
File Size : 40,6 Mb
Release : 2006-01-01
Category : Science
ISBN : 9780486450155

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Random Vibrations by Paul H. Wirsching,Thomas L. Paez,Keith Ortiz Pdf

The most comprehensive text and reference available on the study of random vibrations, this book was designed for graduate students and mechanical, structural, and aerospace engineers. In addition to coverage of background topics in probability, statistics, and random processes, it develops methods for analyzing and controlling random vibrations. 1995 edition.

Proceedings of China SAE Congress 2019: Selected Papers

China Society of Automotive Engineers
Proceedings of China SAE Congress 2019 Selected Papers Book PDF

Author : China Society of Automotive Engineers
Publisher : Springer Nature
Page : 1109 pages
File Size : 49,9 Mb
Release : 2020-11-04
Category : Technology & Engineering
ISBN : 9789811579455

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Proceedings of China SAE Congress 2019: Selected Papers by China Society of Automotive Engineers Pdf

These proceedings gather outstanding papers presented at the China SAE Congress 2019. Featuring contributions mainly from China, the biggest carmaker as well as most dynamic car market in the world, the book covers a wide range of automotive topics and the latest technical advances in the industry. Many of the approaches included can help technicians to solve practical problems that affect their daily work. In addition, the book offers valuable technical support to engineers, researchers and postgraduate students in the field of automotive engineering.

Computer Vision & Laser Vibrometry, Volume 6

Javad Baqersad,Dario Di Maio
Computer Vision Laser Vibrometry Volume 6 Book PDF

Author : Javad Baqersad,Dario Di Maio
Publisher : Springer Nature
Page : 177 pages
File Size : 55,5 Mb
Release : 2023-11-20
Category : Computers
ISBN : 9783031349102

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Computer Vision & Laser Vibrometry, Volume 6 by Javad Baqersad,Dario Di Maio Pdf

Computer Vision & Laser Vibrometry, Volume 6: Proceedings of the 41st IMAC, A Conference and Exposition on Structural Dynamics, 2023, the sixth volume of ten from the Conference brings together contributions to this important area of research and engineering. The collection presents early findings and case studies on fundamental and applied aspects of Computer Vision, Laser Vibrometry and Structural Health Monitoring, including papers on: Novel Techniques Optical Methods, Scanning LDV Methods Photogrammetry & DIC Structural Health Monitoring

An Introduction to Random Vibrations, Spectral & Wavelet Analysis

D. E. Newland
An Introduction to Random Vibrations Spectral Wavelet Analysis Book PDF

Author : D. E. Newland
Publisher : Courier Corporation
Page : 514 pages
File Size : 43,6 Mb
Release : 2012-04-03
Category : Science
ISBN : 9780486136967

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An Introduction to Random Vibrations, Spectral & Wavelet Analysis by D. E. Newland Pdf

One of the first engineering books to cover wavelet analysis, this classic text describes and illustrates basic theory, with a detailed explanation of the workings of discrete wavelet transforms. Computer algorithms are explained and supported by examples and a set of problems, and an appendix lists ten computer programs for calculating and displaying wavelet transforms. Starting with an introduction to probability distributions and averages, the text examines joint probability distributions, ensemble averages, and correlation; Fourier analysis; spectral density and excitation response relations for linear systems; transmission of random vibration; statistics of narrow band processes; and accuracy of measurements. Discussions of digital spectral analysis cover discrete Fourier transforms as well as windows and smoothing. Additional topics include the fast Fourier transform; pseudo-random processes; multidimensional spectral analysis; response of continuous linear systems to stationary random excitation; and discrete wavelet analysis. Numerous diagrams and graphs clarify the text, and complicated mathematics are simplified whenever possible. This volume is suitable for upper-level undergraduates and graduate students in engineering and the applied sciences; it is also an important resource for professionals.

Random Vibration and Spectral Analysis/Vibrations aléatoires et analyse spectral

A. Preumont
Random Vibration and Spectral Analysis Vibrations al atoires et analyse spectral Book PDF

Author : A. Preumont
Publisher : Springer Science & Business Media
Page : 283 pages
File Size : 50,5 Mb
Release : 2013-06-29
Category : Mathematics
ISBN : 9789401728409

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Random Vibration and Spectral Analysis/Vibrations aléatoires et analyse spectral by A. Preumont Pdf

I became interested in Random Vibration during the preparation of my PhD dissertation, which was concerned with the seismic response of nuclear reactor cores. I was initiated into this field through the cla.ssical books by Y.K.Lin, S.H.Crandall and a few others. After the completion of my PhD, in 1981, my supervisor M.Gera.din encouraged me to prepare a course in Random Vibration for fourth and fifth year students in Aeronautics, at the University of Liege. There was at the time very little material available in French on that subject. A first draft was produced during 1983 and 1984 and revised in 1986. These notes were published by the Presses Poly techniques et Universitaires Romandes (Lausanne, Suisse) in 1990. When Kluwer decided to publish an English translation ofthe book in 1992, I had to choose between letting Kluwer translate the French text in-extenso or doing it myself, which would allow me to carry out a sustantial revision of the book. I took the second option and decided to rewrite or delete some of the original text and include new material, based on my personal experience, or reflecting recent technical advances. Chapter 6, devoted to the response of multi degree offreedom structures, has been completely rewritten, and Chapter 11 on random fatigue is entirely new. The computer programs which have been developed in parallel with these chapters have been incorporated in the general purpose finite element software SAMCEF, developed at the University of Liege.

Proceedings of the 14th International Scientific Conference: Computer Aided Engineering

Eugeniusz Rusiński,Damian Pietrusiak
Proceedings of the 14th International Scientific Conference Computer Aided Engineering Book PDF

Author : Eugeniusz Rusiński,Damian Pietrusiak
Publisher : Springer
Page : 873 pages
File Size : 46,5 Mb
Release : 2019-03-09
Category : Computers
ISBN : 9783030049751

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Proceedings of the 14th International Scientific Conference: Computer Aided Engineering by Eugeniusz Rusiński,Damian Pietrusiak Pdf

This book presents the proceedings of the 14th International Conference on Computer Aided Engineering, collecting the best papers from the event, which was held in Wrocław, Poland in June 2018. It includes contributions from researchers in computer engineering addressing the applied science and development of the industry and offering up-to-date information on the development of the key technologies in technology transfer. It is divided into the following thematic sections: • parametric and concurrent design, • advanced numerical simulations of physical systems, • integration of CAD/CAE systems for machine design, • presentation of professional CAD and CAE systems, • presentation of the modern methods of machine testing, • presentation of practical CAD/CAM/CAE applications: – designing and manufacturing of machines and technical systems, – durability prediction, repairs and retrofitting of power equipment, – strength and thermodynamic analyses of power equipment, – design and calculation of various types of load-carrying structures, – numerical methods of dimensioning materials handling and long-distance transport equipment (cranes, gantries, automotive, rail, air, space and other special vehicles and earth-moving machinery), • CAE integration problems. The conference and its proceedings offer a major interdisciplinary forum for researchers and engineers in innovative studies and advances in this dynamic field.