Friction And Instabilities

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Friction and Instabilities

Author : J.A.C. Martinis
Publisher : Springer
ISBN 13 : 3709125340
Total Pages : 297 pages
Book Rating : 4.7/5 (91 download)

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Book Synopsis Friction and Instabilities by : J.A.C. Martinis

Download or read book Friction and Instabilities written by J.A.C. Martinis and published by Springer. This book was released on 2014-05-04 with total page 297 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book addresses instability and bifurcation phenomena in frictional contact problems. The treatment of this subject has its roots in previous studies of instability and bifurcation in elastic, thermoelastic or elastic-plastic bodies, and in previous mathematical, mechanical and computational studies of unilateral problems. The salient feature of this book is to put together and develop concepts and tools for stability and bifurcation studies in mechanics, taking into account the inherent non-smoothness and non-associativity (non-symmetry) of unilateral frictional contact laws. The mechanical foundations, the mathematical theory and the computational algorithms for such studies are developed along six chapters written by the lecturers of a CISM course. Those concepts and tools are illustrated not only with enlightening academic examples but also with some demanding industrial applications, related, namely, to the automotive industry.

Tribology Issues and Opportunities in MEMS

Author : Bharat Bhushan
Publisher : Springer Science & Business Media
ISBN 13 : 9401150508
Total Pages : 652 pages
Book Rating : 4.4/5 (11 download)

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Book Synopsis Tribology Issues and Opportunities in MEMS by : Bharat Bhushan

Download or read book Tribology Issues and Opportunities in MEMS written by Bharat Bhushan and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 652 pages. Available in PDF, EPUB and Kindle. Book excerpt: Micro Electro Mechanical Systems (MEMS) is already about a billion dollars a year industry and is growing rapidly. So far major emphasis has been placed on the fabrication processes for various devices. There are serious issues related to tribology, mechanics, surfacechemistry and materials science in the operationand manufacturingof many MEMS devices and these issues are preventing an even faster commercialization. Very little is understood about tribology and mechanical properties on micro- to nanoscales of the materials used in the construction of MEMS devices. The MEMS community needs to be exposed to the state-of-the-artoftribology and vice versa. Fundamental understanding of friction/stiction, wear and the role of surface contamination and environmental debris in micro devices is required. There are significantadhesion, friction and wear issues in manufacturing and actual use, facing the MEMS industry. Very little is understood about the tribology of bulk silicon and polysilicon films used in the construction ofthese microdevices. These issues are based on surface phenomenaand cannotbe scaled down linearly and these become increasingly important with the small size of the devices. Continuum theory breaks down in the analyses, e. g. in fluid flow of micro-scale devices. Mechanical properties ofpolysilicon and other films are not well characterized. Roughness optimization can help in tribological improvements. Monolayers of lubricants and other materials need to be developed for ultra-low friction and near zero wear. Hard coatings and ion implantation techniques hold promise.

Friction-Induced Vibrations and Self-Organization

Author : Michael Nosonovsky
Publisher : CRC Press
ISBN 13 : 1466504048
Total Pages : 332 pages
Book Rating : 4.4/5 (665 download)

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Book Synopsis Friction-Induced Vibrations and Self-Organization by : Michael Nosonovsky

Download or read book Friction-Induced Vibrations and Self-Organization written by Michael Nosonovsky and published by CRC Press. This book was released on 2013-08-09 with total page 332 pages. Available in PDF, EPUB and Kindle. Book excerpt: Many scientists and engineers do not realize that, under certain conditions, friction can lead to the formation of new structures at the interface, including in situ tribofilms and various patterns. In turn, these structures-usually formed by destabilization of the stationary sliding regime-can lead to the reduction of friction and wear. Friction-I

Contact Mechanics and Friction

Author : Valentin L. Popov
Publisher : Springer
ISBN 13 : 3662530813
Total Pages : 391 pages
Book Rating : 4.6/5 (625 download)

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Book Synopsis Contact Mechanics and Friction by : Valentin L. Popov

Download or read book Contact Mechanics and Friction written by Valentin L. Popov and published by Springer. This book was released on 2017-03-10 with total page 391 pages. Available in PDF, EPUB and Kindle. Book excerpt: This application-oriented book introduces readers to the associations and relationships between contact mechanics and friction, providing them with a deeper understanding of tribology. It addresses the related phenomena of contacts, adhesion, capillary forces, friction, lubrication, and wear from a consistent point of view. The author presents (1) methods for rough estimates of tribological quantities, (2) simple and general methods for analytical calculations, and (3) the crossover into numerical simulation methods, the goal being to convey a consistent view of tribological processes at various scales of magnitude (from nanotribology to earthquake research). The book also explores the system dynamic aspects of tribological systems, such as squeal and its suppression, as well as other types of instabilities and spatial patterns. It includes problems and worked-out solutions for the respective chapters, giving readers ample opportunity to apply the theory to practical situations and to deepen their understanding of the material discussed. The second edition has been extended with a more detailed exposition of elastohydrodynamic lubrication, an updated chapter on numerical simulation methods in contact mechanics, a new section on fretting in the chapter on wear, as well as numerous new exercises and examples, which help to make the book an excellent reference guide.

Fundamentals of Friction

Author : I.L. Singer
Publisher : Springer Science & Business Media
ISBN 13 : 9401128111
Total Pages : 638 pages
Book Rating : 4.4/5 (11 download)

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Book Synopsis Fundamentals of Friction by : I.L. Singer

Download or read book Fundamentals of Friction written by I.L. Singer and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 638 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fundamentals of Friction, unlike many books on tribology, is devoted to one specific topic: friction. After introductory chapters on scientific and engineering perspectives, the next section contains the necessary background within the areas of contact mechanics, surfaces and adhesion. Then on to fracture, deformation and interface shear, from the macroscopic behavior of materials in frictional contact to microscopic models of uniform and granular interfaces. Lubrication by solids, liquids and gases is presented next, from classical flow properties to the reorganization of monolayers of molecules under normal and shear stresses. A section on new approaches at the nano- and atomic scales covers the physics and chemistry of interfaces, an array of visually exciting simulations, using molecular dynamics, of solids and liquids in sliding contact, and related AFM/STM studies. Following a section on machines and measurements, the final chapter discusses future issues in friction.

Friction-Induced Vibration in Lead Screw Drives

Author : Orang Vahid-Araghi
Publisher : Springer Science & Business Media
ISBN 13 : 1441917527
Total Pages : 220 pages
Book Rating : 4.4/5 (419 download)

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Book Synopsis Friction-Induced Vibration in Lead Screw Drives by : Orang Vahid-Araghi

Download or read book Friction-Induced Vibration in Lead Screw Drives written by Orang Vahid-Araghi and published by Springer Science & Business Media. This book was released on 2010-10-14 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt: Friction-Induced Vibration in Lead Screw Drives covers the dynamics of lead screw drives with an emphasis on the role of friction. Friction-induced vibration in lead screws can be the cause of unacceptably high levels of audible noise as well as loss of operation accuracy and shortened life. Although lead screw drives have a long history and their mechanical design and manufacturing aspects are very well understood, the role of friction in their dynamical behavior has not been comprehensively treated. The book draws on the vast body of work on the subject of dynamical systems with friction (such as disk brake systems) and offers said treatment, along with: · Unique coverage of modeling of multi-DOF lead screw systems with friction · Detailed analysis of negative damping, mode coupling, and kinematic constraint instability mechanisms in lead screws drives · A practical parameter identification approach for the velocity dependent coefficient of friction in lead screw drives Friction-Induced Vibration in Lead Screw Drives serves as the definitive text on the friction-induced vibration of lead screws, and includes a practical case study where the developed methods are used to study the excessive noise problem of a lead screw drive system and to put forward design modifications that eliminate the friction-induced vibrations.

Sliding Friction

Author : Bo N.J. Persson
Publisher : Springer Science & Business Media
ISBN 13 : 3662036460
Total Pages : 465 pages
Book Rating : 4.6/5 (62 download)

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Book Synopsis Sliding Friction by : Bo N.J. Persson

Download or read book Sliding Friction written by Bo N.J. Persson and published by Springer Science & Business Media. This book was released on 2013-03-14 with total page 465 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sliding friction is one of the oldest problems in physics and certainly one of the most important from a practical point of view. The ability to produce durable low-friction surfaces and lubricant fluids has become an important factor in the miniaturization of moving components in many technological devices, e.g., magnetic storage, recording systems, miniature motors and many aerospace components. This book will be useful to physicists, chemists, materials scientists, and engineers who want to understand sliding friction. The book (or parts of it) could also form the basis for a modern undergraduate or graduate course on tribology.

Modern Spacecraft Guidance, Navigation, and Control

Author : Vincenzo Pesce
Publisher : Elsevier
ISBN 13 : 0323909175
Total Pages : 1074 pages
Book Rating : 4.3/5 (239 download)

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Book Synopsis Modern Spacecraft Guidance, Navigation, and Control by : Vincenzo Pesce

Download or read book Modern Spacecraft Guidance, Navigation, and Control written by Vincenzo Pesce and published by Elsevier. This book was released on 2022-11-13 with total page 1074 pages. Available in PDF, EPUB and Kindle. Book excerpt: Modern Spacecraft Guidance, Navigation, and Control: From System Modeling to AI and Innovative Applications provides a comprehensive foundation of theory and applications of spacecraft GNC, from fundamentals to advanced concepts, including modern AI-based architectures with focus on hardware and software practical applications. Divided into four parts, this book begins with an introduction to spacecraft GNC, before discussing the basic tools for GNC applications. These include an overview of the main reference systems and planetary models, a description of the space environment, an introduction to orbital and attitude dynamics, and a survey on spacecraft sensors and actuators, with details of their modeling principles. Part 2 covers guidance, navigation, and control, including both on-board and ground-based methods. It also discusses classical and novel control techniques, failure detection isolation and recovery (FDIR) methodologies, GNC verification, validation, and on-board implementation. The final part 3 discusses AI and modern applications featuring different applicative scenarios, with particular attention on artificial intelligence and the possible benefits when applied to spacecraft GNC. In this part, GNC for small satellites and CubeSats is also discussed. Modern Spacecraft Guidance, Navigation, and Control: From System Modeling to AI and Innovative Applications is a valuable resource for aerospace engineers, GNC/AOCS engineers, avionic developers, and AIV/AIT technicians. - Provides an overview of classical and modern GNC techniques, covering practical system modeling aspects and applicative cases - Presents the most important artificial intelligence algorithms applied to present and future spacecraft GNC - Describes classical and advanced techniques for GNC hardware and software verification and validation and GNC failure detection isolation and recovery (FDIR)

Environmental Fluid Mechanics

Author : Wolfgang Rodi
Publisher : CRC Press
ISBN 13 : 0203803965
Total Pages : 452 pages
Book Rating : 4.2/5 (38 download)

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Book Synopsis Environmental Fluid Mechanics by : Wolfgang Rodi

Download or read book Environmental Fluid Mechanics written by Wolfgang Rodi and published by CRC Press. This book was released on 2012-05-28 with total page 452 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains the written versions of invited lectures presented at the Gerhard H. Jirka Memorial Colloquium on Environmental Fluid Mechanics, held June 3-4, 2011, in Karlsruhe, Germany. Professor Jirka was widely known for his outstanding work in Environmental Fluid Mechanics, and 23 eminent world-leading experts in this field contributed to

Control of Cutting Vibration and Machining Instability

Author : C. Steve Suh
Publisher : John Wiley & Sons
ISBN 13 : 1118402782
Total Pages : 295 pages
Book Rating : 4.1/5 (184 download)

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Book Synopsis Control of Cutting Vibration and Machining Instability by : C. Steve Suh

Download or read book Control of Cutting Vibration and Machining Instability written by C. Steve Suh and published by John Wiley & Sons. This book was released on 2013-08-01 with total page 295 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presents new developments on machine tool vibration control based on discontinuous dynamical systems Machining instability is a topical area, and there are a wide range of publications that cover the topic. However, many of these previous studies have started by assuming that the behavior of the system can be linearised. Meanwhile, there are many recent advances in the fields of signal processing, nonlinear dynamics, and nonlinear control, all of which are relevant to the machining stability problem. This book establishes the fundamentals of cutting mechanics and machine tool dynamics in the simultaneous time-frequency domain. The new nonlinear control theory developed by the authors that facilitates simultaneous control of vibration amplitude in the time-domain and spectral response in the frequency-domain provides the foundation for the development of a controller architecture universally viable for the control of dynamic instability including bifurcation and chaos. Once parameters underlying the coupling, interaction, and evolution of different cutting states and between the tool and workpiece are established, they can then be incorporated into the architecture to create a control methodology that mitigate machining instability and enable robust, chatter-free machine tool design applicable in particular to high speed micro- and nano-machining. Presents new developments on machine tool vibration control based on discontinuous dynamical systems Provides a clear and concise approach to the understanding and control of machine tool and workpiece vibrations from an alternative view, contributing to an in-depth understanding of cutting dynamics and robust control of machining instability Equips the reader with the knowledge to understand the dynamics of cutting and operation of machine-tool systems in different conditions as well as the concept of cutting instability control Includes data examples in MATLAB coding

Dynamics of Rotors

Author : O. Mahrenholtz
Publisher : Springer
ISBN 13 : 3709128129
Total Pages : 501 pages
Book Rating : 4.7/5 (91 download)

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Book Synopsis Dynamics of Rotors by : O. Mahrenholtz

Download or read book Dynamics of Rotors written by O. Mahrenholtz and published by Springer. This book was released on 2014-05-04 with total page 501 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Handbook of Lubrication and Tribology, Volume II

Author : Robert W. Bruce
Publisher : CRC Press
ISBN 13 : 1420069098
Total Pages : 1139 pages
Book Rating : 4.4/5 (2 download)

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Book Synopsis Handbook of Lubrication and Tribology, Volume II by : Robert W. Bruce

Download or read book Handbook of Lubrication and Tribology, Volume II written by Robert W. Bruce and published by CRC Press. This book was released on 2012-07-06 with total page 1139 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since the publication of the best-selling first edition, the growing price and environmental cost of energy have increased the significance of tribology. Handbook of Lubrication and Tribology, Volume II: Theory and Design, Second Edition demonstrates how the principles of tribology can address cost savings, energy conservation, and environmental pr

Linear and Nonlinear Instabilities in Mechanical Systems

Author : Hiroshi Yabuno
Publisher : John Wiley & Sons
ISBN 13 : 1119066530
Total Pages : 324 pages
Book Rating : 4.1/5 (19 download)

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Book Synopsis Linear and Nonlinear Instabilities in Mechanical Systems by : Hiroshi Yabuno

Download or read book Linear and Nonlinear Instabilities in Mechanical Systems written by Hiroshi Yabuno and published by John Wiley & Sons. This book was released on 2021-02-16 with total page 324 pages. Available in PDF, EPUB and Kindle. Book excerpt: LINEAR and NONLINEAR INSTABILITIES in MECHANICAL SYSTEMS An in-depth insight into nonlinear analysis and control As mechanical systems become lighter, faster, and more flexible, various nonlinear instability phenomena can occur in practical systems. The fundamental knowledge of nonlinear analysis and control is essential to engineers for analysing and controlling nonlinear instability phenomena. This book bridges the gap between the mathematical expressions of nonlinear dynamics and the corresponding practical phenomena. Linear and Nonlinear Instabilities in Mechanical Systems: Analysis, Control and Application provides a detailed and informed insight into the fundamental methods for analysis and control for nonlinear instabilities from the practical point of view. Key features: Refers to the behaviours of practical mechanical systems such as aircraft, railway vehicle, robot manipulator, micro/nano sensor Enhances the rigorous and practical understanding of mathematical methods from an engineering point of view The theoretical results obtained by nonlinear analysis are interpreted by using accompanying videos on the real nonlinear behaviors of nonlinear mechanical systems Linear and Nonlinear Instabilities in Mechanical Systems is an essential textbook for students on engineering courses, and can also be used for self-study or reference by engineers.

Dynamic Stability of Hydraulic Gates and Engineering for Flood Prevention

Author : Ishii, Noriaki
Publisher : IGI Global
ISBN 13 : 1522530800
Total Pages : 677 pages
Book Rating : 4.5/5 (225 download)

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Book Synopsis Dynamic Stability of Hydraulic Gates and Engineering for Flood Prevention by : Ishii, Noriaki

Download or read book Dynamic Stability of Hydraulic Gates and Engineering for Flood Prevention written by Ishii, Noriaki and published by IGI Global. This book was released on 2017-08-11 with total page 677 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hydraulic gates are utilized in multiple capacities in modern society. As such, the failure of these gates can have disastrous consequences, and it is imperative to develop new methods to avoid these occurrences. Dynamic Stability of Hydraulic Gates and Engineering for Flood Prevention is a critical reference source containing scholarly research on engineering techniques and mechanisms to decrease the failure rate of hydraulic gates. Including a range of perspectives on topics such as fluid dynamics, vibration mechanisms, and flow stability, this book is ideally designed for researchers, academics, engineers, graduate students, and practitioners interested in the study of hydraulic gate structure.

Dynamic Stability of Frictional Slip

Author : Hanbum Cho
Publisher :
ISBN 13 :
Total Pages : 258 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Dynamic Stability of Frictional Slip by : Hanbum Cho

Download or read book Dynamic Stability of Frictional Slip written by Hanbum Cho and published by . This book was released on 1998 with total page 258 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Mechanics of Fretting Fatigue

Author : D.A. Hills
Publisher : Springer Science & Business Media
ISBN 13 : 9401582815
Total Pages : 251 pages
Book Rating : 4.4/5 (15 download)

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Book Synopsis Mechanics of Fretting Fatigue by : D.A. Hills

Download or read book Mechanics of Fretting Fatigue written by D.A. Hills and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 251 pages. Available in PDF, EPUB and Kindle. Book excerpt: Failures of many mechanical components in service result from fatigue. The cracks which grow may either originate from some pre-existing macroscopic defect, or, if the component is of high integrity but highly stressed, a region of localized stress concentration. In turn, such concentrators may be caused by some minute defect, such as a tiny inclusion, or inadvertent machining damage. Another source of surface damage which may exist between notionally 'bonded' components is associated with minute relative motion along the interface, brought about usually be cyclic tangential loading. Such fretting damage is quite insidious, and may lead to many kinds of problems such as wear, but it is its influence on the promotion of embryo cracks with which we are concerned here. When the presence of fretting is associated with decreased fatigue performance the effect is known as fretting fatigue. Fretting fatigue is a subject drawing equally on materials science and applied mechanics, but it is the intention in this book to concentrate attention entirely on the latter aspects, in a search for the quantification of the influence of fretting on both crack nucleation and propagation. There have been very few previous texts in this area, and the present volume seeks to cover five principal areas; (a) The modelling of contact problems including partial slip under tangentialloading, which produces the surface damage. (b) The modelling of short cracks by rigorous methods which deal effectively with steep stress gradients, kinking and closure. (c) The experimental simulation of fretting fatigue.

Computational Earthquake Science Part I

Author : Andrea Donnellan
Publisher : Birkhäuser
ISBN 13 : 3034878737
Total Pages : 290 pages
Book Rating : 4.0/5 (348 download)

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Book Synopsis Computational Earthquake Science Part I by : Andrea Donnellan

Download or read book Computational Earthquake Science Part I written by Andrea Donnellan and published by Birkhäuser. This book was released on 2012-12-06 with total page 290 pages. Available in PDF, EPUB and Kindle. Book excerpt: Exciting developments in earthquake science have benefited from new observations, improved computational technologies, and improved modeling capabilities. Designing models of the earthquake of the earthquake generation process is a grand scientific challenge due to the complexity of phenomena and range of scales involved from microscopic to global. Such models provide powerful new tools for the study of earthquake precursory phenomena and the earthquake cycle. Through workshops, collaborations and publications the APEC Cooperation for Earthquake Simulations (ACES) aims to develop realistic supercomputer simulation models for the complete earthquake generation process, thus providing a "virtual laboratory" to probe earthquake behavior. Part I of the book covers microscopic simulations, scaling physics and earthquake generation and cycles. This part also focuses on plate processes and earthquake generation from a macroscopic standpoint.