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Author: K. Sobczyk
Publisher: Academic Press
ISBN: 0323138586
Category : Technology & Engineering
Languages : en
Pages : 277
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Book Description
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.
Author: K. Sobczyk
Publisher: Academic Press
ISBN: 0323138586
Category : Technology & Engineering
Languages : en
Pages : 277
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Book Description
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.
Author: Mary-Frances Winters
Publisher: Berrett-Koehler Publishers
ISBN: 1523091320
Category : Business & Economics
Languages : en
Pages : 180
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Book Description
This is the first book to define and explore Black fatigue, the intergenerational impact of systemic racism on the physical and psychological health of Black people—and explain why and how society needs to collectively do more to combat its pernicious effects. Black people, young and old, are fatigued, says award-winning diversity and inclusion leader Mary-Frances Winters. It is physically, mentally, and emotionally draining to continue to experience inequities and even atrocities, day after day, when justice is a God-given and legislated right. And it is exhausting to have to constantly explain this to white people, even—and especially—well-meaning white people, who fall prey to white fragility and too often are unwittingly complicit in upholding the very systems they say they want dismantled. This book, designed to illuminate the myriad dire consequences of “living while Black,” came at the urging of Winters's Black friends and colleagues. Winters describes how in every aspect of life—from economics to education, work, criminal justice, and, very importantly, health outcomes—for the most part, the trajectory for Black people is not improving. It is paradoxical that, with all the attention focused over the last fifty years on social justice and diversity and inclusion, little progress has been made in actualizing the vision of an equitable society. Black people are quite literally sickand tired of being sick and tired. Winters writes that “my hope for this book is that it will provide a comprehensive summary of the consequences of Black fatigue, and awaken activism in those who care about equity and justice—those who care that intergenerational fatigue is tearing at the very core of a whole race of people who are simply asking for what they deserve.”
Author: Alex Howard
Publisher: Hay House, Inc
ISBN: 1788174615
Category : Health & Fitness
Languages : en
Pages : 274
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Book Description
A practical guide to overcoming chronic fatigue, adrenaline fatigue syndrome and chronic low energy, by a renowned health expert. Get to the root cause of your chronic fatigue diagnosis and discover a clinically proven 12-step plan to healing, recovery and transformation. Living with fatigue can feel hopeless and confusing, with traditional medical approaches focusing on managing symptoms rather than understanding and addressing underlying causes. But healing is possible when you learn to decode your fatigue and apply the right interventions, in the right sequence, at the right time. After suffering from chronic fatigue for seven years, renowned health expert Alex Howard founded one of the world's leading clinics specializing in fatigue, and has dedicated over 20 years to understanding this condition. This book will guide you through a clinically proven methodology to help you to: · Understand the underlying factors that cause fatigue · Discover the key steps to increasing your energy sustainably · Map out your personalized plan for recovery This revolutionary 12-step approach will not only help you to decode your fatigue, but also start to create your own path to healing and transformation.
Author: Janko Slavič
Publisher: Elsevier
ISBN: 0128223669
Category : Technology & Engineering
Languages : en
Pages : 230
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Book Description
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
Author: Institute of Medicine
Publisher: National Academies Press
ISBN: 0309316928
Category : Medical
Languages : en
Pages : 251
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Book Description
Myalgic encephalomyelitis (ME) and chronic fatigue syndrome (CFS) are serious, debilitating conditions that affect millions of people in the United States and around the world. ME/CFS can cause significant impairment and disability. Despite substantial efforts by researchers to better understand ME/CFS, there is no known cause or effective treatment. Diagnosing the disease remains a challenge, and patients often struggle with their illness for years before an identification is made. Some health care providers have been skeptical about the serious physiological - rather than psychological - nature of the illness. Once diagnosed, patients often complain of receiving hostility from their health care provider as well as being subjected to treatment strategies that exacerbate their symptoms. Beyond Myalgic Encephalomyelitis/Chronic Fatigue Syndrome proposes new diagnostic clinical criteria for ME/CFS and a new term for the illness - systemic exertion intolerance disease(SEID). According to this report, the term myalgic encephalomyelitis does not accurately describe this illness, and the term chronic fatigue syndrome can result in trivialization and stigmatization for patients afflicted with this illness. Beyond Myalgic Encephalomyelitis/Chronic Fatigue Syndrome stresses that SEID is a medical - not a psychiatric or psychological - illness. This report lists the major symptoms of SEID and recommends a diagnostic process.One of the report's most important conclusions is that a thorough history, physical examination, and targeted work-up are necessary and often sufficient for diagnosis. The new criteria will allow a large percentage of undiagnosed patients to receive an accurate diagnosis and appropriate care. Beyond Myalgic Encephalomyelitis/Chronic Fatigue Syndrome will be a valuable resource to promote the prompt diagnosis of patients with this complex, multisystem, and often devastating disorder; enhance public understanding; and provide a firm foundation for future improvements in diagnosis and treatment.
Author: National Academies of Sciences, Engineering, and Medicine
Publisher: National Academies Press
ISBN: 0309392527
Category : Transportation
Languages : en
Pages : 273
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Book Description
There are approximately 4,000 fatalities in crashes involving trucks and buses in the United States each year. Though estimates are wide-ranging, possibly 10 to 20 percent of these crashes might have involved fatigued drivers. The stresses associated with their particular jobs (irregular schedules, etc.) and the lifestyle that many truck and bus drivers lead, puts them at substantial risk for insufficient sleep and for developing short- and long-term health problems. Commercial Motor Vehicle Driver Fatigue, Long-Term Health and Highway Safety assesses the state of knowledge about the relationship of such factors as hours of driving, hours on duty, and periods of rest to the fatigue experienced by truck and bus drivers while driving and the implications for the safe operation of their vehicles. This report evaluates the relationship of these factors to drivers' health over the longer term, and identifies improvements in data and research methods that can lead to better understanding in both areas.
Author:
Publisher:
ISBN:
Category : Shock (Mechanics)
Languages : en
Pages : 908
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Book Description
Author: Xiaoqiang Guo
Publisher: Springer Nature
ISBN: 9819774039
Category :
Languages : en
Pages : 488
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Book Description
Author:
Publisher:
ISBN:
Category : Reliability (Engineering)
Languages : en
Pages : 920
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Book Description
Author: Alphose Zingoni
Publisher: CRC Press
ISBN: 0429761171
Category : Technology & Engineering
Languages : en
Pages : 2435
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Book Description
Advances in Engineering Materials, Structures and Systems: Innovations, Mechanics and Applications comprises 411 papers that were presented at SEMC 2019, the Seventh International Conference on Structural Engineering, Mechanics and Computation, held in Cape Town, South Africa, from 2 to 4 September 2019. The subject matter reflects the broad scope of SEMC conferences, and covers a wide variety of engineering materials (both traditional and innovative) and many types of structures. The many topics featured in these Proceedings can be classified into six broad categories that deal with: (i) the mechanics of materials and fluids (elasticity, plasticity, flow through porous media, fluid dynamics, fracture, fatigue, damage, delamination, corrosion, bond, creep, shrinkage, etc); (ii) the mechanics of structures and systems (structural dynamics, vibration, seismic response, soil-structure interaction, fluid-structure interaction, response to blast and impact, response to fire, structural stability, buckling, collapse behaviour); (iii) the numerical modelling and experimental testing of materials and structures (numerical methods, simulation techniques, multi-scale modelling, computational modelling, laboratory testing, field testing, experimental measurements); (iv) innovations and special structures (nanostructures, adaptive structures, smart structures, composite structures, bio-inspired structures, shell structures, membranes, space structures, lightweight structures, long-span structures, tall buildings, wind turbines, etc); (v) design in traditional engineering materials (steel, concrete, steel-concrete composite, aluminium, masonry, timber, glass); (vi) the process of structural engineering (conceptualisation, planning, analysis, design, optimization, construction, assembly, manufacture, testing, maintenance, monitoring, assessment, repair, strengthening, retrofitting, decommissioning). The SEMC 2019 Proceedings will be of interest to civil, structural, mechanical, marine and aerospace engineers. Researchers, developers, practitioners and academics in these disciplines will find them useful. Two versions of the papers are available. Short versions, intended to be concise but self-contained summaries of the full papers, are in this printed book. The full versions of the papers are in the e-book.
