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Books > Professional & Technical > Mechanical engineering & materials > Materials science > Mechanics of solids
Dr Theodore Nicholas ran the High Cycle Fatigue Program for the US
Air Force between 1995 and 2003 at Wright-Patterson Air Force Base,
and is one of the world s leading authorities on the subject,
having authored over 250 papers in leading archival journals and
books.
Plasticity is concerned with understanding the behavior of metals
and alloys when loaded beyond the elastic limit, whether as a
result of being shaped or as they are employed for load bearing
structures.
This book applies vibration engineering to turbomachinery, covering installation, maintenance and operation. With a practical approach based on clear theoretical principles and formulas, the book is an essential how-to guide for all professional engineers dealing with vibration issues within turbomachinery. Vibration problems in turbines, large fans, blowers, and other rotating machines are common issues within turbomachinery. Applicable to industries such as oil and gas mining, cement, pharmaceutical and naval engineering, the ability to predict vibration based on frequency spectrum patterns is essential for many professional engineers. In this book, the theory behind vibration is clearly detailed, providing an easy to follow methodology through which to calculate vibration propagation. Describing lateral and torsional vibration and how this impacts turbine shaft integrity, the book uses mechanics of materials theory and formulas alongside the matrix method to provide clear solutions to vibration problems. Additionally, it describes how to carry out a risk assessment of vibration fatigue. Other topics covered include vibration control techniques, the design of passive and active absorbers and rigid, non-rigid and Z foundations. The book will be of interest to professionals working with turbomachinery, naval engineering corps and those working on ISO standards 10816 and 13374. It will also aid mechanical engineering students working on vibration and machine design.
Acquire complete knowledge of the basics of air-breathing turbomachinery with this hands-on practical text. This updated new edition for students in mechanical and aerospace engineering discusses the role of entropy in assessing machine performance, provides a review of flow structures, and includes an applied review of boundary layer principles. New coverage describes approaches used to smooth initial design geometry into a continuous flow path, the development of design methods associated with the flow over blade shape (cascades loss theory) and annular type flows, as well as a discussion of the mechanisms for the setting of shaft speed. This essential text is also fully supported by over 200 figures, numerous examples, and homework problems, many of which have been revised for this edition.
Vibration-based condition monitoring (VCM) is a well-accepted approach in industries for early detection of any defect, thereby triggering the maintenance process and ultimately reducing overheads and plant downtime. A number of vibration instruments, data analyzer and related hardware and software codes are developed to meet the industry requirements. This book aims to address issues faced by VCM professionals, such as frequency range estimation for vibration measurements, sensors, data collection and data analyzer including related parameters which are explained through step-by-step approaches. Each chapter is written in the tutorial style with experimental and/or industrial examples for clear understanding.
Presents a new physical and mathematical theory of irreversible deformations and ductile fracture of metals that acknowledges the continuous change in the structure of materials during deformation and the accumulation of deformation damage. Plastic deformation, viscous destruction, evolution of structure, creep processes, and long-term strength of metals and stress relaxation are described in the framework of a unified approach and model. The author then expands this into a mathematical model for determining the mechanical characteristics of quasi-samples of standard mechanical properties in deformed semi-finished products.
Road Vehicle Dynamics: Fundamentals and Modeling with MATLAB (R), Second Edition combines coverage of vehicle dynamics concepts with MATLAB v9.4 programming routines and results, along with examples and numerous chapter exercises. Improved and updated, the revised text offers new coverage of active safety systems, rear wheel steering, race car suspension systems, airsprings, four-wheel drive, mechatronics, and other topics. Based on the lead author's extensive lectures, classes, and research activities, this unique text provides readers with insights into the computer-based modeling of automobiles and other ground vehicles. Instructor resources, including problem solutions, are available from the publisher.
Examines all the major types of mechatronic systems used in railway applications Surveys rail vehicle mechatronic design processes with practical sources and references Outlines modelling approaches for rail vehicles, from concept to finishined prototype Analyzes system integration of complex railway mechatronic systems Presents numerical experiments and mechatronic models with railway transport applications
This book presents the latest research advances relating to machines and mechanisms. Featuring papers from the XIII International Conference on the Theory of Machines and Mechanisms (TMM 2020), held in Liberec, Czech Republic, on September 7-9, 2021, it includes a selection of the most important new results and developments. The book is divided into five parts, representing a well-balanced overview, and spanning the general theory of machines and mechanisms, through analysis and synthesis of planar and spatial mechanisms, linkages and cams, robots and manipulators, dynamics of machines and mechanisms, rotor dynamics, computational mechanics, vibration and noise in machines, optimization of mechanisms and machines, mechanisms of textile machines, mechatronics and control and monitoring systems of machines. This conference is traditionally held every four years under the auspices of the international organisation IFToMM and the Czech Society for Mechanics.
The book approaches the basic theory of structures from a different
perspective from standard pedagogy. There is consideration of work
and energy concepts as fundamental and the equations of statics
derived from them. Likewise, these concepts, together with that of
the characteristic response, are used in the derivation of beam
theory. Plane sections remaining plane is then seen as a particular
result for isotropic, homogeneous, prismatic beams. The general
theory may still be used where none of these conditions holds, and
can even be applied to trusses. It also corrects errors in the
theory of beam shear. Special topics discussed include non-uniform
torsion, the exact analysis of shear, anisotropy, advanced energy
methods, optimum structures, and regular frames. Software provided
in the book includes seven general purpose programs for analysis of
plane, space frames with rigid or pinned joints, and uses the
augmented Gaussian elimination process and dynamic storage
techniques.
Solid Liquid Separation includes important industrial processes
used for recovery and processing of solids or purification of
liquids. Most of the process industries in which particulate
slurries are handled use some form of solid-liquid separation and
yet the subject is not adequately covered in most higher education
courses. This book is designed to bring the readers up-to-date on the
principles and industrial practices of solid-liquid separation and
washing technology. Particular attention is given to hardware and
to its evaluation, application and selection. Whilst not
exclusively concerned with filtration and sedimentation, these
operations are dealt with in depth.
This book contains the fully peer-reviewed papers presented at the
Third Engineering Foundation Conference on Small Fatigue Cracks,
held under the chairmanship of K.S. Ravichandran and Y. Murakami
during December 6-11, 1998, at the Turtle Bay Hilton, Oahu, Hawaii.
This book presents a state-of-the-art description of the mechanics,
mechanisms and applications of small fatigue cracks by most of the
world's leading experts in this field. Topics ranging from the
mechanisms of crack initiation, small crack behavior in metallic,
intermetallic, ceramic and composite materials, experimental
measurement, mechanistic and theoretical models, to the role of
small cracks in fretting fatigue and the application of small crack
results to the aging aircraft and high-cycle fatigue problems, are
covered.
As plastics are being used more extensively in high-performance markets, it is imperative that designers and engineers understand all aspects of polymer behavior over an extended service life. Dynamic Mechanical Analysis for Plastics Engineering describes practical uses for DMA information. All of the information for 120 families of thermoplastics is based on independent test data conducted exclusively for this product and is not available through any other source. This PDL addition shows how to use the DMA data to predict, at various temperatures, each materials estimated service life and potential for failure. This book explains the correlation between time and temperature-dependence and illustrates how time-dependent responses such as creep and stress relaxation affect the practical utility of different materials. Basic polymer structures are discussed and test results show how these structural details can be detected and understood.
This book presents an isospectral approach for several important mechanical vibrating systems. Discrete and continuous isospectral systems are discussed using a simple multi-degree of freedom spring-mass system followed by illustration of isospectral beams and their solution through evolutionary computing. Next, it addresses axially loaded Euler-Bernoulli beams and aims to find isospectral counterparts of these systems. The practical application of these isospectral systems for vibration testing and for finding new closed form solutions is discussed. A considerable part of the book is devoted to isospectral rotating beams and their non-rotating analogs including Rayleigh beams. Aimed at researchers and graduate students in mechanical; aerospace; civil; automotive; ocean engineering especially mechanical vibrations, this monograph: Discusses isospectral vibrating systems to aid vibration testing and computational analysis Explores isospectral analogs between rotating and non-rotating structures Provides simpler isospectral beams for vibration testing and for 3D printing Uses firefly optimization method and electromagnetism inspired optimization method to find isospectral systems Shows the use of isospectral systems to find new closed form solutions using an indirect approach
For readers with no background in acoustics Takes a unique problem based learning approach, reinforcing basic material with progressively complex example problems with solutions. Carefully up-dates and extended from the first edition Solutions to these additional problems available to instructors on request. Suits practising engineers with no acoustics background addressing noise problems in the workplace.
For readers with no background in acoustics Takes a unique problem based learning approach, reinforcing basic material with progressively complex example problems with solutions. Carefully up-dates and extended from the first edition Solutions to these additional problems available to instructors on request. Suits practising engineers with no acoustics background addressing noise problems in the workplace.
Over the last several years, the four authors have jointly
conducted research into the analysis of vibrating Mindlin plates as
a collaborative project between Nanyang Technological University,
The National University of Singapore, and The University of
Queensland. The research was prompted by the fact that there is a
dearth of vibration results for Mindlin plates when compared to
classical thin plate solutions. To generate the vibration results,
the authors have successfully employed the Ritz method for general
plate shapes and boundary conditions. The Ritz method, once thought
to be awkward for general plate analysis, can be automated through
suitable trial functions (for displacements) that satisfy the
geometric plate boundary conditions "a priori." This work has been
well-received by academics and researchers, as indicated by the
continual requests for the authors' papers and the Ritz software
codes. This monograph is written with the view to share this
so-called "p"-Ritz method for the vibration analysis of Mindlin
plates and its software codes with the research community. To the
authors' knowledge, the monograph contains the first published Ritz
plate software codes of its kind.
While research on ultrasonics has been covered in earlier volumes
of the Physical Acoustics series, Volumes 23 and 24 demonstrate the
successful commercialization of devices and instruments arising
from research in this area. These volumes will assist in the
process of bringing research output into the marketplace to the
benefit of customers.
While research on ultrasonics has been covered in earlier volumes
of the Physical Acoustics series, Volumes 23 and 24 demonstrate the
successful commercialization of devices and instruments arising
from research in this area. These volumes will assist in the
process of bringing research output into the marketplace to the
benefit of customers.
This book is a companion text to Active Control of Sound by P.A.
Nelson and S.J. Elliott, also published by Academic Press.
This book proposes a novel, original condensation method to beam formulation based on the isogeometric approach to reducing the degrees of freedom to conventional two-node beam elements. In this volume, the author defines the Buntara Condensation Formulation: a unique formulation in condensing the dynamic equilibrium equation for beam structures, suitable for reducing the number of unlimited dynamic equations necessary to yield a classic two-node beam element. Professor Buntara's method overcomes the problem of the isogeometric approach where the number of degrees of freedom is increased along with the complexity of the geometrical beam element and facilitates implementation of the codes into the existing beam structures programs, and CAD geometrical data into the conventional FE beam element codes. The book proposes a new reduction method where the beam element can be treated as under the conventional beam element theory that has only two nodes at both ends.
The updated and improved second edition of Direct Gear Design details a nonstandard gear design approach that makes it possible to significantly improve gear drive performance. Providing engineers with gear design solutions beyond standard limits, this book delivers engineers with practical and innovative solutions to optimize gearing technologies. The majority of modern gears are over-standardized, not allowing gear design engineers to see possible gear design solutions outside of standard limits. The book explores opportunities to improve and optimize gears beyond these limitations. The method of Direct Gear Design has been proven to maximise gear drive performance, increase transmission load capacity and efficiency, and reduce size and weight. Discussing the use of gears made from powder metal and plastic, the book surveys gear manufacture and makes use of extensive references to encourage further exploration of gear design innovation. Additionally, the book provides an overview of manufacturing technologies and traditional gear design, as well as covering topics such as asymmetric gears, tolerance selection and measurement methods of custom gears. Written accessibly, with a focus on practical examples, this fully updated edition will serve as a guidebook for all professionals exploring high-performance gearing system technologies.
The main aim of this book is to demonstrate the fundamental theory of advanced solid mechanics through simplified derivations with details illustrations to deliver the principal concepts. It covers all conceptual principals on two- and three-dimensional stresses, strains, stress-strain relations, theory of elasticity and theory of plasticity in any type of solid materials including anisotropic, orthotropic, homogenous and isotropic. Detailed explanation and clear diagrams and drawings are accompanied with the use of proper jargons and notations to present the ideas and appropriate guide the readers to explore the core of the advanced solid mechanics backed by case studies and examples. Aimed at undergraduate, senior undergraduate students in advanced solid mechanics, solid mechanics, strength of materials, civil/mechanical engineering, this book Provides simplified explanation and detailed derivation of correlation and formula implemented in advanced solid mechanics Covers state of two and three-dimensional stresses and strains in solid materials in various conditions Describes principal constitutive models for various type of materials include of anisotropic, orthotropic, homogenous and isotropic materials. Includes stress-strain relation and theory of elasticity for solid materials. Explores inelastic behaviour of material, theory of plasticity and yielding criteria.
The main aim of this book is to demonstrate the fundamental theory of advanced solid mechanics through simplified derivations with details illustrations to deliver the principal concepts. It covers all conceptual principals on two- and three-dimensional stresses, strains, stress-strain relations, theory of elasticity and theory of plasticity in any type of solid materials including anisotropic, orthotropic, homogenous and isotropic. Detailed explanation and clear diagrams and drawings are accompanied with the use of proper jargons and notations to present the ideas and appropriate guide the readers to explore the core of the advanced solid mechanics backed by case studies and examples. Aimed at undergraduate, senior undergraduate students in advanced solid mechanics, solid mechanics, strength of materials, civil/mechanical engineering, this book Provides simplified explanation and detailed derivation of correlation and formula implemented in advanced solid mechanics Covers state of two and three-dimensional stresses and strains in solid materials in various conditions Describes principal constitutive models for various type of materials include of anisotropic, orthotropic, homogenous and isotropic materials. Includes stress-strain relation and theory of elasticity for solid materials. Explores inelastic behaviour of material, theory of plasticity and yielding criteria.
Advances in engineering precision have tracked with technological progress for hundreds of years. Over the last few decades, precision engineering has been the specific focus of research on an international scale. The outcome of this effort has been the establishment of a broad range of engineering principles and techniques that form the foundation of precision design. Today's precision manufacturing machines and measuring instruments represent highly specialised processes that combine deterministic engineering with metrology. Spanning a broad range of technology applications, precision engineering principles frequently bring together scientific ideas drawn from mechanics, materials, optics, electronics, control, thermo-mechanics, dynamics, and software engineering. This book provides a collection of these principles in a single source. Each topic is presented at a level suitable for both undergraduate students and precision engineers in the field. Also included is a wealth of references and example problems to consolidate ideas, and help guide the interested reader to more advanced literature on specific implementations. |
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