Fatigue Prediction Study
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Fatigue Prediction Study
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Author : G. V. Deneff
language : en
Publisher:
Release Date : 1962
Fatigue Prediction Study written by G. V. Deneff and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1962 with Fatigue categories.
Fatigue Prediction Study
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Author : G. V. Deneff
language : en
Publisher:
Release Date : 1962
Fatigue Prediction Study written by G. V. Deneff and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1962 with Airframes categories.
Fatigue Damage Crack Growth And Life Prediction
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Author : F. Ellyin
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Fatigue Damage Crack Growth And Life Prediction written by F. Ellyin and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Technology & Engineering categories.
Fatigue failure is a multi-stage process. It begins with the initiation of cracks, and with continued cyclic loading the cracks propagate, finally leading to the rupture of a component or specimen. The demarcation between the above stages is not well-defined. Depending upon the scale of interest, the variation may span three orders of magnitude. For example, to a material scientist an initiated crack may be of the order of a micron, whereas for an engineer it can be of the order of a millimetre. It is not surprising therefore to see that investigation of the fatigue process has followed different paths depending upon the scale of phenomenon under investigation. Interest in the study of fatigue failure increased with the advent of industrial ization. Because of the urgent need to design against fatigue failure, early investiga tors focused on prototype testing and proposed failure criteria similar to design formulae. Thus, a methodology developed whereby the fatigue theories were proposed based on experimental observations, albeit at times with limited scope. This type of phenomenological approach progressed rapidly during the past four decades as closed-loop testing machines became available.
Study On S N Curve Of High Cycle Fatigue Prediction For Mems Devices
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Author : 張嘉誠
language : en
Publisher:
Release Date : 2019
Study On S N Curve Of High Cycle Fatigue Prediction For Mems Devices written by 張嘉誠 and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019 with categories.
Towards A Unified Fatigue Life Prediction Method For Marine Structures
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Author : Weicheng Cui
language : en
Publisher: Springer
Release Date : 2014-11-04
Towards A Unified Fatigue Life Prediction Method For Marine Structures written by Weicheng Cui and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-11-04 with Technology & Engineering categories.
In order to apply the damage tolerance design philosophy to design marine structures, accurate prediction of fatigue crack growth under service conditions is required. Now, more and more people have realized that only a fatigue life prediction method based on fatigue crack propagation (FCP) theory has the potential to explain various fatigue phenomena observed. In this book, the issues leading towards the development of a unified fatigue life prediction (UFLP) method based on FCP theory are addressed. Based on the philosophy of the UFLP method, the current inconsistency between fatigue design and inspection of marine structures could be resolved. This book presents the state-of-the-art and recent advances, including those by the authors, in fatigue studies. It is designed to lead the future directions and to provide a useful tool in many practical applications. It is intended to address to engineers, naval architects, research staff, professionals and graduates engaged in fatigue prevention design and survey of marine structures, in fatigue studies of materials and structures, in experimental laboratory research, in planning the repair and maintenance of existing structures, and in rule development. The book is also an effective educational aid in naval architecture, marine, civil and mechanical engineering. Prof. Weicheng Cui is the Dean of Hadal Science and Technology Research Center of Shanghai Ocean University, China. Dr. Xiaoping Huang is an associate professor of School of Naval Architecture, Ocean and Civil Engineering of Shanghai Jiao Tong University, China. Dr. Fang Wang is an associate professor of Hadal Science and Technology Research Center of Shanghai Ocean University, China.
A Parametric Study Of A Fatigue Prediction Model For Bituminous Road Pavements
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Author : E. N. Thrower
language : en
Publisher:
Release Date : 1979
A Parametric Study Of A Fatigue Prediction Model For Bituminous Road Pavements written by E. N. Thrower and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979 with Pavements, Bituminous categories.
Occupational Fatigue Prediction For Entry Level Construction Workers In Material Handling Activities Using Wearable Sensors
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Author : Wonil Lee
language : en
Publisher:
Release Date : 2018
Occupational Fatigue Prediction For Entry Level Construction Workers In Material Handling Activities Using Wearable Sensors written by Wonil Lee and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018 with categories.
Research on the measurement and prediction of occupational fatigue of construction workers using wearable sensors has been carried out using different types of sensor technologies and measurement variables. Previous studies have demonstrated promising results using wearable sensors for fatigue prediction, suggesting that they may have practical use as tools for the prevention of fatigue management on worksites. However, there are no clear guidelines on the type of sensors to use in fatigue management or on the relevant sensed variables. Moreover, the collection and processing of wearable sensor data should be sufficiently simple for safety professionals to use in practice. The current study aimed to address these challenges by using several of the most active wearable sensor technologies in occupational fatigue research—actigraphy and electrocardiogram (ECG) sensors—to obtain different variables from participants performing simulated construction tasks in laboratory conditions. A total of 22 participants participated in the experiment. Of these, 19 were exposed to different task workloads and completed four repetition measurements, while three participants only completed one or two experiment session(s). A total of 80 observations obtained by the experiment were used for the analysis. Stepwise logistic regression was used to identify the most appropriate and parsimonious fatigue prediction model. Among the different variables collected, heart rate variability (HRV) measurements, standard deviation of NN intervals (SDNN) and power in the low frequency range (LF) were found to be useful in predicting fatigue. Both the fast Fourier transform (FFT) and the autoregressive (AR) analysis in the frequency domain analysis methods were employed. Log transformed LF obtained by AR analysis method was found to be more suitable for daily management of worker’s fatigue, while the SDNN was useful in weekly fatigue management. This study contributes to the body of knowledge on the use of wearable technology for the management of fatigue among construction workers.
7th International Conference On Advancements Of Medicine And Health Care Through Technology
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Author : Simona Vlad
language : en
Publisher: Springer Nature
Release Date : 2022-01-01
7th International Conference On Advancements Of Medicine And Health Care Through Technology written by Simona Vlad and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-01-01 with Technology & Engineering categories.
This book gathers the proceedings of the 7th International Conference on Advancements of Medicine and Health Care through Technology, held virtually on 13 – 15 October 2020, from Cluj-Napoca, Romania. It reports on both theoretical and practical developments fostering the use of cutting-edge technology in clinical settings, telemedicine, and biological research. Chapters mainly deal with medical devices, measurements and instrumentation, medical imaging and biological signal processing and health care information systems. Further topics include modeling, simulation and biomechanics, as well as innovative (bio-)materials for biomedical applications. The conference, as well as the realization of this book, was supported by the Romanian Society for Medical Engineering and Biological Technology.
Fatigue Creep Interaction Study Of The Phenomenon And Approaches To Prediction In French
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Author : J. Masounave
language : en
Publisher:
Release Date : 1982
Fatigue Creep Interaction Study Of The Phenomenon And Approaches To Prediction In French written by J. Masounave and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1982 with categories.
A Study On Fatigue Of Welded Structures
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Author : Jun Huang
language : en
Publisher:
Release Date : 2002
A Study On Fatigue Of Welded Structures written by Jun Huang and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with categories.