Brittle Fracture and Damage for Brittle Materials and Composites: Statistical-Probabilistic Approaches
Posted on, 2nd December, 2016 by admin
Flaws are the principal source of fracture in many materials, whether brittle or ductile, whether nearly homogeneous or composite. They are introduced during either fabrication or surface preparation or during exposure to aggressive environments (e. g. oxidation, shocks). The critical flaws act as stress concentrators and initiate cracks that propagate instantaneously to failure in the absence of crack arrest phenomena as encountered in brittle materials. This book explores those brittle materials susceptible to crack arrest and the flaws which initiate crack induced damage. A detailed description of microstructural features covering numerous brittle materials, including ceramics, glass, concrete, metals, polymers and ceramic fibers to help you develop your knowledge of material fracture. Brittle Failure and Damage for Brittle Materials and Composites outlines the technological progress in this field and the need for reliable systems with high performances to help you advance the development of new structural materials, creating advantages of low density, high resistance to elevated temperatures and aggressive environments, and good mechanical properties. The effects of flaw populations on fracture strength The main statistical-probabilistic approaches to brittle fracture The use of these methods for predictions of failure and effects induced by flaw populations The application of these methods to component design The methods of estimation of statistical parameters that define flaw strength distributions The extension of these approaches to damage and failure of continuous fiber reinforced ceramic matrix compositesDownload Now..
Posted on, 8th November, 2016 by admin
Soft biological tissues often undergo large (nearly) elastic deformations that can be analyzed using the nonlinear theory of elasticity. Because of the varied approaches to nonlinear elasticity in the literature, some aspects of the subject may be difficult to appreciate. This book attempts to clarify and unify those treatments, illustrating the advantages and disadvantages of each through various examples in the mechanics of soft tissues. Applications include muscle, arteries, the heart, and embryonic tissues.Download Now..
Plan, select, design, specify, and test entire piping systems Facility Piping Systems Handbook, Second Edition , gives you a complete design guide and reference for all piping systems, including those in laboratories, and health care facilities. This new edition includes metric units throughout updated codes and standards and new material on flow level measurement, drinking water systems, septic systems, and hot water circulating systems. You'll also find helpful material on pipe space requirements and fixture mounting heights. Complete with formulas, charts, and tables that increase your on-the-job efficiency, this all-in-one Handbook by Michael Frankel provides you with: Techniques for selecting appropriate piping, valves, pumps, tanks, and other equipment involved with piping systems Information on heat loss, insulation, freeze protection, water treatment and purification, and filtration and separation. All necessary system design criteria Examples of system design procedures using actual field conditions Listings of FDA, EPA, and OSHA requirementsDownload Now..
The Hoover Dam is recognized as one of the seven engineering wonders of the modern world. The construction of this behemoth dam - the inspiration of one Arthur Powell Davis - was an incredible feat on many levels. Years-long political disputes had to be settled. Individuals and companies in the engineering and construction realms had to bond together to form a single company capable of taking on such a groundbreaking project. Thousands of workers from around the country flocked to the project to flee the poverty of the Great Depression. Roads, houses, and electricity had to be built and installed in the untouched environment of Black Canyon. Then, with almost unbelievable speed, the Hoover Dam rose from the dry dust of the western United States to become one of the most incredible engineering accomplishments in history. Download Now..
Balanis’ second edition of Advanced Engineering Electromagnetics – a global best-seller for over 20 years – covers the advanced knowledge engineers involved in electromagnetic need to know, particularly as the topic relates to the fast-moving, continually evolving, and rapidly expanding field of wireless communications. The immense interest in wireless communications and the expected increase in wireless communications systems projects (antenna, microwave and wireless communication) points to an increase in the number of engineers needed to specialize in this field. In addition, the Book Companion Site contains a rich collection of multimedia resources for use with this text. Resources include: Ready-made lecture notes in Power Point format for all the chapters. Forty-nine MATLAB® programs to compute, plot and animate some of the wave phenomena Nearly 600 end-of-chapter problems, that's an average of 40 problems per chapter (200 new problems 50% more than in the first edition) A thoroughly updated Solutions Manual 2500 slides for Instructors are included. Download Now..
Posted on, 28th July, 2016 by admin
Develop solid practical math skills needed to succeed in the heating and cooling technology field with this updated resource that presents critical information in a way that is straightforward, easy-to-understand, and most importantly, meaningful to the reader. From basic arithmetic to using formulas, Practical Problems in Mathematics for Heating and Cooling Technicians, 5th Edition covers all of the mathematical concepts that technicians are likely to encounter in their everyday, on-the-job tasks. Packed with hands-on exercises and the HVAC-R-specific terminology that previous editions are known for, this updated edition includes references to the latest technology, geothermal systems, as well as zone heating and cooling. Readers will walk away with a thorough understanding of need-to-know math concepts, as well as confidence that they can apply what they have learned immediately and effectively.Download Now..
In his revision of Engineering Mechanics, R.C. Hibbeler empowers students to succeed in the whole learning experience. Hibbeler achieves this by calling on his everyday classroom experience and his knowledge of how students learn inside and outside of lecture. This text is ideal for civil and mechanical engineering professionals. MasteringEngineering , the most technologically advanced online tutorial and homework system available, can be packaged with this edition.Download Now..
Posted on, 27th July, 2016 by admin
Table of contents : Content: Studies in Applied Mechanics Page II Front Matter Page III Copyright page Page IV Preface Pages V-VI Michal Zyczkowski 1. - Introduction Pages 3-9 2. - Bars of Solid Cross-Section Pages 10-25 3. - Fundamental Static-Kinematic Analysis of Bar Structures Pages 26-34 4. - The Principle of Virtual Work and the Reciprocity Theorems Pages 35-54 5. - Internal Forces and Displacements of the Axis of an Element Pages 55-84 6. - Static Equations of Bar Structures and Fundamental Solution Methods Pages 85-107 7. - Isostatic Systems Pages 108-126 8. - The Direct Flexibility Method (Force Method) Pages 127-157 9. - The Direct Stiffness Method (Displacement Method) Pages 158-179 1. - Introduction Pages 183-186 2. - Bars with Infinitely Many Dynamic Degrees of Freedom Pages 187-208 3. - Vibration of Composed Bar Structures Pages 209-230 4. - Structures with a Finite Number of Dynamic Degrees of Freedom Pages 231-245 Introduction Page 249 1. - Fundamental Concepts and Stability Criteria Pages 250-258 2. - Elastic Stability of Axially Compressed Prismatic Bars Pages 259-289 3. - Approximate Calculation Methods for Critical Loadings Pages 290-303 4. - Compressed Elastic Bars with Initial Imperfections Pages 304-314 5. - Elastic-Plastic Buckling Pages 315-328 6. - Creep Buckling Pages 329-339 7. - Stability and Optimal Design of Compressed Non-Prismatic Bars Pages 340-352 8. - Spatial Problems of Loss of Stability of Bars Pages 353-363 9. - Problems of Dynamic Buckling Pages 364-370 10. - Stability of Bar Structures Pages 371-382 11. - Some Recent Results Pages 383-401 1. - The Strength Scheme of a Thin-Walled Bar Pages 405-409 2. - Statics of Bars of Open Cross-Section Pages 410-435 3. - Statics of Bars of Tubular Cross-Section Pages 436-454 4. - Statics of Bars of Deformable Cross-Section Pages 455-480 5. - Statics of Curved Bars Pages 481-498 6. - Stability of Thin-Walled Bars Pages 499-518 7. - Some Recent Results Pages 519-524 1. - Introduction Pages 527-531 2. - Stresses Around Cavities and Notches Pages 532-559 3. - Stress Concentration in Plates and Shells Pages 560-575 4. - Theory of Fracture of Structural Components Pages 576-592 5. - Contact Problems Pages 593-612 Introduction Pages 615-616 1. - Axially Symmetrical Thick-Walled Elements Pages 617-641 2. - Circular Plates Pages 642-674 3. - Axially Symmetrical Disks Pages 675-707 4. - Axially Symmetrical Shells Pages 708-742 5. - Analysis of Axially Symmetrical Structures Pages 743-765 Subject Index Pages 767-774 Download Now..
Table of contents : Content: Applied Mathematics and Mechanics: An International Series of Monographs Page ii Front Matter Page iii Copyright page Page iv Preface Pages ix-xi Acknowledgments Page xiii Principal Notation Pages xv-xvii Chapter 1 - Introduction Pages 1-46 Chapter 2 - Conservation Equations for Compressible Turbulent Flows Pages 47-61 Chapter 3 - The Boundary-Layer Equations Pages 62-90 Chapter 4 - General Behavior of Turbulent Boundary Layers Pages 91-163 Chapter 5 - Various Approaches to the Calculation of Turbulent Boundary Layers Pages 164-210 Chapter 6 - Transport Coefficients in Turbulent Boundary Layers Pages 211-257 Chapter 7 - The CS Method Pages 258-297 Chapter 8 - The CS Method for Laminar Boundary Layers Pages 298-328 Chapter 9 - The CS Method for Turbulent Boundary Layers Pages 329-384 References and Author Index Pages 385-399 Subject Index Pages 401-404 Download Now..
Posted on, 26th July, 2016 by admin
This volume emphasizes fundamental concepts, both on the development of mathematical models of fracture phenomena and on the analysis of these models. Cases involving stress waves impinging on cracks, tractions suddenly applied to the faces of cracks, and rapid crack growth and arrest are considered in detail. Most of the work is concerned with the behavior of nominally elastic materials, but available results on elastic-plastic and elastic-viscoplastic materials are included. Connections to experimental results and to applications in structural mechanics, seismology, and materials science are noted whenever possibleDownload Now..
Continuum Mechanics of Electromagnetic Solids (North-Holland Series in Applied Mathematics and Mechanics)
Posted on, 26th July, 2016 by admin
This volume is a rigorous cross-disciplinary theoretical treatment of electromechanical and magnetomechanical interactions in elastic solids. Using the modern style of continuum thermomechanics (but without excessive formalism) it starts from basic principles of mechanics and electromagnetism, and goes on to unify these two fields in a common framework. It treats linear and nonlinear static and dynamic problems in a variety of elastic solids such as piezoelectrics, electricity conductors, ferromagnets, ferroelectrics, ionic crystals and ceramics. Chapters 1-3 are introductory, describing the essential properties of electromagnetic solids, the essentials of the thermomechanics of continua, and the general equations that govern the electrodynamics of nonlinear continua in the nonrelativistic framework (e.g. Maxwell's equations, the fundamental balance laws of continuum mechanics, basic thermodynamical inequalities for electromagnetic continua, jump relations for studying the propagation of shock waves, nonlinear constitutive equations for large classes of materials).Download Now..
This book is the result of inspirations and contributions from many researchers, which are, in majority, focalised around the Direct Torque Control The book comprised of three sections: different techniques for the control of asynchronous motors and double feed or double star induction machines, oriented approach of recent developments relating to the control of the Permanent Magnet Synchronous Motors, and special controller design and torque control of switched reluctance machine. Download Now..
Ugural's Mechanical Design: An Integrated Approach provides a comprehensive, integrated view of machine element design for Mechanical Engineering students and practicing engineers. The author's expertise in engineering mechanics is demonstrated in Part I (Fundamentals), where readers receive an exceptionally strong treatment of the design process, stress & strain, deflection & stiffness, energy methods, and failure/fatigue criteria. Advanced topics in mechanics (marked with an asterisk in the Table of Contents) are provided for optional use. The first 8 chapters provide the conceptual basis for Part II (Applications), where the major classes of machine components are covered. Optional coverage of finite element analysis is included, in the final chapter of the text, with selected examples and cases showing FEA applications in mechanical design. In addition to numerous worked-out examples and chapter problems, detailed Case Studies are included to show the intricacies of real design work, and the integration of engineering mechanics concepts with actual design procedures. The author provides a brief but comprehensive listing of derivations for users to avoid the "cookbook" approach many books take. Numerous illustrations provide a visual interpretation of the equations used, making the text appropriate for diverse learning styles. The approach is designed to allow for use of calculators and computers throughout, and to show the ways computer analysis can be used to model problems and explore "what if?" design analysis scenarios. An Online Learning Center website provides a wealth of resources for instructors, students and other readers.Download Now..
Local Mechanics Concepts for Composite Material Systems: IUTAM Symposium Blacksburg, VA 1991 (IUTAM Symposia)
Posted on, 17th July, 2016 by admin
The application of composite materials to engineering components has spurred a ma jor effort to analyze such materials and the structures made from them. Most researchers workin~ in mechanics of composite structures understand that composite materials pro vide umque advantages but also present complex and challenging problems to researchers. The complex inelastic behavior and variety of failure modes of composite structures are a result of the strength and stiffness properties of constituents and their complex interac tions. Macromechanical constitutive models based on gross composite properties cannot realistically represent local interactions, and thus have serious limitations. The composite materials that are of most interest to engineering applications are often "brittle" in their behavior, in the sense that the strength and life of the material systems is controlled or greatly influenced by events or processes which involve volumes of material whose dimen sions are small compared to the global dimensions of the element. This is also true in ductile systems where local nonlinearity may contribute to local behavior which controls global response.Download Now..
This book explores the domain of reliability engineering in the context of machine tools. Failures of machine tools not only jeopardize users’ ability to meet their due date commitments but also lead to poor quality of products, slower production, down time losses etc. Poor reliability and improper maintenance of a machine tool greatly increases the life cycle cost to the user. Thus, the application area of the present book, i.e. machine tools, will be equally appealing to machine tool designers, production engineers and maintenance managers. The book will serve as a consolidated volume on various dimensions of machine tool reliability and its implications from manufacturers and users point of view. From the manufacturers’ point of view, it discusses various approaches for reliability and maintenance based design of machine tools. In specific, it discusses simultaneous selection of optimal reliability configuration and maintenance schedules, maintenance optimization under various maintenance scenarios and cost based FMEA. From the users’ point of view, it explores the role of machine tool reliability in shop floor level decision- making. In specific, it shows how to model the interactions of machine tool reliability with production scheduling, maintenance scheduling and process quality control.Download Now..
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