механика (страница 7)

Автор: Группа авторов

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Автор: Jeffrey A. Kottler

Every profession has trade secrets that are passed on from one generation to the next and counseling is no exception. These cherished lessons based on wide-ranging experiences and passion for the craft are shared by masters with students and colleagues and include fresh ideas, noteworthy interventions, and even little tricks learned over time that increase both professional effectiveness and personal satisfaction. These unique practices are captured in this entertaining book that collects the wisdom of some of the most accomplished practitioners in the field, those who have been most influential in developing theoretical approaches, clinical innovations, and standards of practice. These master clinicians disclose ingenious methods and practical tips to better serve clients. Discussing techniques that have been mostly kept private until now, they talk about their creative breakthroughs, spiritual transcendences, monumental successes, and their own developmental adjustments over time. They also reveal some of their most unusual cases, disappointing failures, and disturbing deceptions, and share stories about the clients who have changed them. New practitioners and veterans alike will find innovative ways to remain fresh and engaged with clients. Because of its focus on practical knowledge and useful strategies, this book can be used as a supplemental text in a variety of introductory and advanced courses, or as an inspirational guide for experienced counselors.

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Автор: Prof. Paul Headrick

This outstanding practical guide to writing analytical essays on literature develops interpretive skills through focused exercises and modeled examples. The program is tailored to meet the specific needs of beginning undergraduates. Features unique, detailed guidance on paragraph structure Includes sample essays throughout to model each stage of the essay-writing process Focused exercises develop the techniques outlined in each chapter Dedicated checklists enable quick, accurate assessment by teachers and students Enhanced glossary with advice on usage added to core definitions

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Автор: Tapan K. Sengupta

Aerodynamics has seen many developments due to the growth of scientific computing, which has caused the design cycle time of aerospace vehicles to be heavily reduced. Today computational aerodynamics appears in the preliminary step of a new design, relegating costly, time-consuming wind tunnel testing to the final stages of design. Theoretical and Computational Aerodynamics is aimed to be a comprehensive textbook, covering classical aerodynamic theories and recent applications made possible by computational aerodynamics. It starts with a discussion on lift and drag from an overall dynamical approach, and after stating the governing Navier-Stokes equation, covers potential flows and panel method. Low aspect ratio and delta wings (including vortex breakdown) are also discussed in detail, and after introducing boundary layer theory, computational aerodynamics is covered for DNS and LES. Other topics covered are on flow transition to analyse NLF airfoils, bypass transition, streamwise and cross-flow instability over swept wings, viscous transonic flow over airfoils, low Reynolds number aerodynamics, high lift devices and flow control. Key features: Blends classical theories of incompressible aerodynamics to panel methods Covers lifting surface theories and low aspect ratio wing and wing-body aerodynamics Presents computational aerodynamics from first principles for incompressible and compressible flows Covers unsteady and low Reynolds number aerodynamics Includes an up-to-date account of DNS of airfoil aerodynamics including flow transition for NLF airfoils Contains chapter problems and illustrative examples Accompanied by a website hosting problems and a solution manual Theoretical and Computational Aerodynamics is an ideal textbook for undergraduate and graduate students, and is also aimed to be a useful resource book on aerodynamics for researchers and practitioners in the research labs and the industry.

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Автор: Timothy L. Sellnow

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Автор: HoSung Lee

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Автор: Richard J. Martin

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Автор: Michel Soustelle

This book is part of a set of books which offers advanced students successive characterization tool phases, the study of all types of phase (liquid, gas and solid, pure or multi-component), process engineering, chemical and electrochemical equilibria, and the properties of surfaces and phases of small sizes. Macroscopic and microscopic models are in turn covered with a constant correlation between the two scales. Particular attention has been given to the rigor of mathematical developments. This volume, the final of the Chemical Thermodynamics Set, offers an in-depth examination of chemical thermodynamics. The author uses systems of liquids, vapors, solids and mixtures of these in thermodynamic approaches to determine the influence of the temperature and pressure on the surface tension and its consequences on specific heat capacities and latent heats. Electro-capillary phenomena, the thermodynamics of cylindrical capillary and small volume-phases are also discussed, along with a thermodynamic study of the phenomenon of nucleation of a condensed phase and the properties of thin liquid films. The final chapters discuss the phenomena of physical adsorption and chemical adsorption of gases by solid surfaces. In an Appendix, applications of physical adsorption for the determination of the specific areas of solids and their porosity are given.

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Автор: Michael D. Meyer

A multi-disciplinary approach to transportation planning fundamentals The Transportation Planning Handbook is a comprehensive, practice-oriented reference that presents the fundamental concepts of transportation planning alongside proven techniques. This new fourth edition is more strongly focused on serving the needs of all users, the role of safety in the planning process, and transportation planning in the context of societal concerns, including the development of more sustainable transportation solutions. The content structure has been redesigned with a new format that promotes a more functionally driven multimodal approach to planning, design, and implementation, including guidance toward the latest tools and technology. The material has been updated to reflect the latest changes to major transportation resources such as the HCM, MUTCD, HSM, and more, including the most current ADA accessibility regulations. Transportation planning has historically followed the rational planning model of defining objectives, identifying problems, generating and evaluating alternatives, and developing plans. Planners are increasingly expected to adopt a more multi-disciplinary approach, especially in light of the rising importance of sustainability and environmental concerns. This book presents the fundamentals of transportation planning in a multidisciplinary context, giving readers a practical reference for day-to-day answers. Serve the needs of all users Incorporate safety into the planning process Examine the latest transportation planning software packages Get up to date on the latest standards, recommendations, and codes Developed by The Institute of Transportation Engineers, this book is the culmination of over seventy years of transportation planning solutions, fully updated to reflect the needs of a changing society. For a comprehensive guide with practical answers, The Transportation Planning Handbook is an essential reference.

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Автор: Robert X. Perez

Process machines are critical to the profitability of processes. Safe, efficient and reliable machines are required to maintain dependable manufacturing processes that can create saleable, on-spec product on time, and at the desired production rate. As the wards of process machinery, we wish to keep our equipment in serviceable condition. One of the most challenging aspects of a machinery professional or operator’s job is deciding whether an operating machine should be shut down due to a perceived problem or be allowed to keep operating. If he or she wrongly recommends a repair be conducted, the remaining useful machine life is wasted, but if he or she is right, they can save the organization from severe consequences, such as product releases, fires, costly secondary machine damage, etc. This economic balancing act is at the heart of all machinery assessments. Troubleshooting is part science and part art. Simple troubleshooting tables or decision trees are rarely effective in solving complex, real-world machine problems. For this reason, the authors want to offer a novel way to attack machinery issues that can adversely affect the reliability and efficiency of your plant processes. The methodology presented in this book is not a rigid “cook book” approach but rather a flexible and dynamic process aimed at exploring process plant machines holistically, in order uncover the true nature the problem at hand.

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Автор: Feng-Chen Li

Turbulent drag reduction by additives has long been a hot research topic. This phenomenon is inherently associated with multifold expertise. Solutions of drag-reducing additives are usually viscoelastic fluids having complicated rheological properties. Exploring the characteristics of drag-reduced turbulent flows calls for uniquely designed experimental and numerical simulation techniques and elaborate theoretical considerations. Pertinently understanding the turbulent drag reduction mechanism necessities mastering the fundamentals of turbulence and establishing a proper relationship between turbulence and the rheological properties induced by additives. Promoting the applications of the drag reduction phenomenon requires the knowledge from different fields such as chemical engineering, mechanical engineering, municipal engineering, and so on. This book gives a thorough elucidation of the turbulence characteristics and rheological behaviors, theories, special techniques and application issues for drag-reducing flows by surfactant additives based on the state-of-the-art of scientific research results through the latest experimental studies, numerical simulations and theoretical analyses. Covers turbulent drag reduction, heat transfer reduction, complex rheology and the real-world applications of drag reduction Introduces advanced testing techniques, such as PIV, LDA, and their applications in current experiments, illustrated with multiple diagrams and equations Real-world examples of the topic’s increasingly important industrial applications enable readers to implement cost- and energy-saving measures Explains the tools before presenting the research results, to give readers coverage of the subject from both theoretical and experimental viewpoints Consolidates interdisciplinary information on turbulent drag reduction by additives Turbulent Drag Reduction by Surfactant Additives is geared for researchers, graduate students, and engineers in the fields of Fluid Mechanics, Mechanical Engineering, Turbulence, Chemical Engineering, Municipal Engineering. Researchers and practitioners involved in the fields of Flow Control, Chemistry, Computational Fluid Dynamics, Experimental Fluid Dynamics, and Rheology will also find this book to be a much-needed reference on the topic.

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Автор: Mirza Mohammed Shah

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Автор: Douglas M. Marshall

UAS Integration into Civil Airspace Explores current Unmanned Air Systems policies with a view to developing a common airspace access and integration strategy UAS Integration into Civil Airspace: Policy, Regulations and Strategy examines the current state of Unmanned Aerial Systems (UAS) airspace access and integration around the world, focusing on the efforts that have produced a regulatory response to the demand for access. This analysis discusses the proposed architectures for a common strategic and analytical thread that may serve as templates for the entire community, as well as for regulators and policymakers who must balance the needs and demands of UAS users with the general public’s right to safe skies and privacy. An understanding of the market forces and business cases that are fuelling the development of the technology is also covered with a focus on the economics of the industry. The book presents a strategy for airspace access and integration that will facilitate humanitarian, environmental, social and security uses of unmanned aircraft systems on a global scale. Key features: Discusses existing and evolving policies and regulations from nations around the world for operating Unmanned Aerial Systems (UAS) in civil airspace Examines the current status of technological developments such as UTM and U-space and explores the technological potential in the years to come Presents a comprehensive airspace integration strategy that balances the many conflicting interests in the UAS world, with due regard for safety, utility and affordability UAS Integration into Civil Airspace: Policy, Regulations and Strategy is essential reading for all professionals involved in UAS industry, as well as students in mechanical engineering and law.

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Автор: David Parkin

A practical, introductory guide to the best use of Patient Reported Outcomes (PROs) to improve the quality of health care and patient health. Only title to exclusively introduce, explain and show how PROs can be best used to improve healthcare and patient outcomes Includes real life examples and case studies of PROs in practice Assesses the growing evidence base for PROs in practice Editor team from Office of Health Economics (OHE), The King's Fund and King’s College London with contributions from practising clinicians, GPs and other healthcare professionals

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Автор: Группа авторов

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Автор: Группа авторов

Veterinary Medical Education: A Practical Guide offers a complete resource to fundamental information on key areas of veterinary education. Provides a practical guide to the key principles of veterinary medical education Takes a real-world approach, with concrete guidance for teaching veterinary skills and knowledge Covers all aspects of designing and implementing a veterinary curriculum Emphasizes key points and helpful tips Offers a veterinary-specific resource for any veterinary educator worldwide

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Автор: Lu Zheng

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Автор: Daniel J. Inman

An advanced look at vibration analysis with a focus on active vibration suppression As modern devices, from cell phones to airplanes, become lighter and more flexible, vibration suppression and analysis becomes more critical. Vibration with Control, 2nd Edition includes modelling, analysis and testing methods. New topics include metastructures and the use of piezoelectric materials, and numerical methods are also discussed. All material is placed on a firm mathematical footing by introducing concepts from linear algebra (matrix theory) and applied functional analysis when required. Key features: Combines vibration modelling and analysis with active control to provide concepts for effective vibration suppression. Introduces the use of piezoelectric materials for vibration sensing and suppression. Provides a unique blend of practical and theoretical developments. Examines nonlinear as well as linear vibration analysis. Provides Matlab instructions for solving problems. Contains examples and problems. PowerPoint Presentation materials and digital solutions manual available for instructors. Vibration with Control, 2nd Edition is an ideal reference and textbook for graduate students in mechanical, aerospace and structural engineering, as well as researchers and practitioners in the field.

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Автор: Andrew J. Kurdila

A thorough guide to the fundamental development of linear piezoelectricity for vibrations  Vibrations of Linear Piezostructures  is an introductory text that offers a concise examination of the general theory of vibrations of linear piezostructures. This important book brings together in one comprehensive volume the most current information on the theory for modeling and analysis of piezostructures. The authors explore the fundamental principles of piezostructures, review the relevant mathematics, continuum mechanics and elasticity, and continuum electrodynamics as they are applied to electromechanical piezostructures, and include the work that pertains to linear constitutive laws of piezoelectricity.  The book addresses modeling of linear piezostructures via Newton’s approach and Variational Methods. In addition, the authors explore the weak and strong forms of the equations of motion, Galerkin approximation methods for the weak form, Fourier or modal methods, and finite element methods. This important book:  Covers the fundamental developments to vibrational theory for linear piezostructures Provides an introduction to continuum mechanics, elasticity, electrodynamics, variational calculus, and applied mathematics Offers in-depth coverage of Newton’s formulation of the equations of motion of vibrations of piezo-structures Discusses the variational methods for generation of equations of motion of piezo-structures Written for students, professionals, and researchers in the field,  Vibrations of Linear Piezostructures  is an up-to-date volume to the fundamental development of linear piezoelectricity for vibrations from initial development to fully modeled systems using various methods.

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Автор: Ryszard B. Pecherski

A complete overview of the topic of viscoplastic flow in metallic solids produced by shear banding  This book presents novel ideas about inelastic deformation and failure of the material in a clear, concise manner. It exposes readers to information that will allow them to acquire the competence and ability to deal with up-to-date manufacturing and failure processes. It also portrays an interdisciplinary and revolutionary understanding of deformation processes in solids. Shear banding's typical mechanism becomes the active cause of viscoplastic flow and not the passive effect.  Viscoplastic Flow in Metallic Solids Produced by Shear Banding  begins with discussing the new physical model of multilevel hierarchy and evolution of micro-shear bands. It then covers the physical motivation and heuristic foundations of theoretical description concerning known results in the literature. It examines the difficulties of applying a direct multiscale integration scheme across the scales. It also presents an extension of the representative volume element (RVE) concept using the general theory of propagating the singular surfaces of the microscopic velocity field sweeping the RVE. It also reveals a new formulation of the description of the shear strain rate generated by the multilevel hierarchy of shear bands in the workflow integration approach, in which information from the simulation at different levels flows. This book:  Presents fresh ideas about inelastic deformation and failure of materials Provides readers with the competence and ability to deal with up-to-date manufacturing and failure processes Sheds light on the interdisciplinary revolution in the recent understanding of deformation processes in solids  Viscoplastic Flow in Metallic Solids Produced by Shear Banding  will appeal to researchers studying physical foundations of inelastic deformation of materials and dealing with numerical simulations of manufacturing processes. It is also an excellent resource for graduate and postgraduate students of material science and mechanical engineering faculties.

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Автор: Ryszard B. Pecherski

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Автор: Huseyin Arslan

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