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Contact Force Models For Multibody Dynamics
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Book Synopsis Contact Force Models for Multibody Dynamics by : Paulo Flores
Download or read book Contact Force Models for Multibody Dynamics written by Paulo Flores and published by Springer. This book was released on 2016-03-15 with total page 177 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book analyzes several compliant contact force models within the context of multibody dynamics, while also revisiting the main issues associated with fundamental contact mechanics. In particular, it presents various contact force models, from linear to nonlinear, from purely elastic to dissipative, and describes their parameters. Addressing the different numerical methods and algorithms for contact problems in multibody systems, the book describes the gross motion of multibody systems by using a two-dimensional formulation based on the absolute coordinates and employs different contact models to represent contact-impact events. Results for selected planar multibody mechanical systems are presented and utilized to discuss the main assumptions and procedures adopted throughout this work. The material provided here indicates that the prediction of the dynamic behavior of mechanical systems involving contact-impact strongly depends on the choice of contact force model. In short, the book provides a comprehensive resource for the multibody dynamics community and beyond on modeling contact forces and the dynamics of mechanical systems undergoing contact-impact events.
Book Synopsis Multibody Dynamics with Unilateral Contacts by : Friedrich Pfeiffer
Download or read book Multibody Dynamics with Unilateral Contacts written by Friedrich Pfeiffer and published by John Wiley & Sons. This book was released on 2008-09-26 with total page 329 pages. Available in PDF, EPUB and Kindle. Book excerpt: As mechanical systems become more complex so do the mathematical models and simulations used to describe the interactions of their parts. One area of multibody theory that has received a great deal of attention in recent years is the dynamics of multiple contact situations occurring in continuous joints and couplings. Despite the rapid gains in our understanding of what occurs when continuous joints and couplings interact, until now there were no books devoted exclusively to this intriguing phenomenon. Focusing on the concerns of practicing engineers, Multibody Dynamics with Unilateral Contacts presents all theoretical and applied aspects of this subject relevant to a practical understanding of multiple unilateral contact situations in multibody mechanical systems. In Part 1, Professor Pfeiffer and Dr. Glocker provide an exhaustive review of the laws and principles governing the dynamics of unilateral contacts in multibody mechanical and technical systems. Among the topics covered are multibody and contact kinematics, the dynamics of rigid body systems, multiple contact configurations, detachment and stick-slip transitions, frictionless impacts, impacts with friction, and the Corner law of contact dynamics. In Part 2, the authors present numerous applications of the theories presented in Part 1. Each chapter in this part is devoted to a different law, theory, or model, such as discontinuous force laws, classical impact theory, Coulomb's friction law, and mechanical and mathematical models of impacts and friction. In addition, each chapter features several practical examples that allow engineers to observe the concepts described in action. Examples are drawn from a broad array of fields and range from hammering in gears as occurring in a synchronous generator to impacts and friction as observed in a child's woodpecker toy, from a demonstration of classical impact theory using an automobile gear box example, to Coulomb's friction law as applied to a turbine blade damper. Multibody Dynamics with Unilateral Contacts is an indispensable resource for mechanical engineers working on all types of multibody systems and the friction and vibration problems that can occur in them. It is also a valuable reference for researchers studying nonlinear dynamics. The only book devoted entirely to the theory and applications of onE of the most crucial aspects of multibody system design. This is the first book to focus exclusively on the theory and applications of multiple contact situations occurring in continuous joints and couplings in multibody systems. As such, it is a valuable resource for engineers working on mechanical systems with interrelated multiple parts. Multibody Dynamics with Unilateral Contacts * Provides a comprehensive examination of the laws and principles governing the dynamics of unilateral contacts in multibody mechanical and technical systems. * Presents the latest mathematical models and simulation techniques for describing the interactions of joints and couplings in multibody systems. * Describes practical applications for all the concepts covered. * Includes numerous examples drawn from a wide range of fascinating and enlightening real-world demonstrations, including everything from an airplane's landing gear to a child's toy.
Book Synopsis Kinematics and Dynamics of Multibody Systems with Imperfect Joints by : Paulo Flores
Download or read book Kinematics and Dynamics of Multibody Systems with Imperfect Joints written by Paulo Flores and published by Springer Science & Business Media. This book was released on 2008-01-10 with total page 182 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents suitable methodologies for the dynamic analysis of multibody mechanical systems with joints. It contains studies and case studies of real and imperfect joints. The book is intended for researchers, engineers, and graduate students in applied and computational mechanics.
Book Synopsis Virtual Nonlinear Multibody Systems by : Werner Schiehlen
Download or read book Virtual Nonlinear Multibody Systems written by Werner Schiehlen and published by Springer Science & Business Media. This book was released on 2003-06-30 with total page 472 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains an edited versIOn of lectures presented at the NATO ADVANCED STUDY INSTITUTE on VIRTUAL NONLINEAR MUL TIBODY SYSTEMS which was held in Prague, Czech Republic, from 23 June to 3 July 2002. It was organized by the Department of Mechanics, Faculty of Mechanical Engineering, Czech Technical University in Prague, in cooperation with the Institute B of Mechanics, University of Stuttgart, Germany. The ADVANCED STUDY INSTITUTE addressed the state of the art in multibody dynamics placing special emphasis on nonlinear systems, virtual reality, and control design as required in mechatronics and its corresponding applications. Eighty-six participants from twenty-two countries representing academia, industry, government and research institutions attended the meeting. The high qualification of the participants contributed greatly to the success of the ADVANCED STUDY INSTITUTE in that it promoted the exchange of experience between leading scientists and young scholars, and encouraged discussions to generate new ideas and to define directions of research and future developments. The full program of the ADVANCED STUDY INSTITUTE included also contributed presentations made by participants where different topics were explored, among them: Such topics include: nonholonomic systems; flexible multibody systems; contact, impact and collision; numerical methods of differential-algebraical equations; simulation approaches; virtual modelling; mechatronic design; control; biomechanics; space structures and vehicle dynamics. These presentations have been reviewed and a selection will be published in this volume, and in special issues of the journals Multibody System Dynamics and Mechanics of Structures and Machines.
Book Synopsis Multibody Systems Approach to Vehicle Dynamics by : Michael Blundell
Download or read book Multibody Systems Approach to Vehicle Dynamics written by Michael Blundell and published by Elsevier. This book was released on 2004 with total page 542 pages. Available in PDF, EPUB and Kindle. Book excerpt: Comprehensive, up-to-date and firmly rooted in practical experience, a key publication for all automotive engineers, dynamicists and students.
Book Synopsis Fundamentals of Multibody Dynamics by : Farid Amirouche
Download or read book Fundamentals of Multibody Dynamics written by Farid Amirouche and published by Springer Science & Business Media. This book was released on 2007-05-24 with total page 692 pages. Available in PDF, EPUB and Kindle. Book excerpt: This textbook – a result of the author’s many years of research and teaching – brings together diverse concepts of the versatile tool of multibody dynamics, combining the efforts of many researchers in the field of mechanics.
Book Synopsis Multibody Dynamics by : Krzysztof Arczewski
Download or read book Multibody Dynamics written by Krzysztof Arczewski and published by Springer Science & Business Media. This book was released on 2010-11-08 with total page 330 pages. Available in PDF, EPUB and Kindle. Book excerpt: The ECCOMAS Thematic Conference “Multibody Dynamics 2009” was held in Warsaw, representing the fourth edition of a series which began in Lisbon (2003), and was then continued in Madrid (2005) and Milan (2007), held under the auspices of the European Community on Computational Methods in Applied Sciences (ECCOMAS). The conference provided a forum for exchanging ideas and results of several topics related to computational methods and applications in multibody dynamics, through the participation of 219 scientists from 27 countries, mostly from Europe but also from America and Asia. This book contains the revised and extended versions of invited conference papers, reporting on the state-of-the-art in the advances of computational multibody models, from the theoretical developments to practical engineering applications. By providing a helpful overview of the most active areas and the recent efforts of many prominent research groups in the field of multibody dynamics, this book can be highly valuable for both experienced researches who want to keep updated with the latest developments in this field and researches approaching the field for the first time.
Book Synopsis Modeling and Simulation of Contact and Impact Dynamics in Multibody Systems by : Abhishek Chatterjee
Download or read book Modeling and Simulation of Contact and Impact Dynamics in Multibody Systems written by Abhishek Chatterjee and published by . This book was released on 2019 with total page 198 pages. Available in PDF, EPUB and Kindle. Book excerpt: Contact and impact analyses are an essential part of multibody dynamic simulations.Modeling of contact and impact problems have applications in a wide variety of areas including robotics, earthquake engineering, computer graphics, and manufacturing. Collisions between objects typically take place over surfaces that are represented by a set of points in the operation space, thereby requiring multi-point contact and impact analysis.Analysis of multi-point contact and impact may lead to indeterminate (underdetermined) problems with more number of unknowns (contact forces) than equations.This work pertains to the problem of resolving multi-point contact and impact problems in multibody systems consisting of hard objects, that can be assumed to be rigid.In the first part of this work, a rigidity based modeling and simulation technique is developed for multi-point impacts between hard objects. In this proposed framework impacts are treated as discrete events during which the velocities of the system evolve in the impulse-domain, based on an impulse-momentum theory called Darboux-Keller shock.Constraints derived based on the rigid body assumption are used to resolve indeterminacy associated with multi-point analysis. An energetic terminal constraint is also proposed. based on Stronge's Hypothesis, that guarantees the treatment of impact to be energetically consistent. This approach is used to derive both planar and three-dimensional models of multi-point indeterminate impacts.The rigid impact model based on impulse-momentum theory, developed in the first part of this work, loses some information like force and deformation histories during impacts. This lost information, however can be useful in certain types of application. Hence, to retain this information, the second part of this work proposes a method of augmenting the rigid-impact model with a contact force model from the contact mechanics literature to simultaneously determine the force and deformation histories during an impact event.The contact force model used here is a viscoelastoplastic model of contact that considers the effects of permanent (plastic) deformation in the material. A relationship is developed between the permanent deformations of the material and the energetic terminal constraint proposed in the first part of this work to characterize the force histories during collisions.The accumulation of discrete impact events during the time-domain simulation may lead to chattering or zeno phenomenon, causing the adaptive step-size integration to halt or fail. This work resolves this problem by transitioning to contact when the normal components of the post-impact velocities become very small. During contact, the forces between the participating rigid bodies satisfy the: 1) non-penetrability condition and 2) frictional force constraints based on Coulomb Friction. The non-penetrability condition enforces normal velocity and acceleration constraints on the equations of motion, whereas the Coulomb friction constrains the tangential forces at the contact points. These constraints placed on the equations of motion, lead to a reduction in the number of degrees of freedom (DOF) of the system. This work uses an online constraint embedding technique to enforce contact constraints.
Book Synopsis Multibody Dynamics by : Ronald L. Huston
Download or read book Multibody Dynamics written by Ronald L. Huston and published by Butterworth-Heinemann. This book was released on 1990 with total page 440 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book develops the fundamentals of multibody dynamics from the principles of elementary mechanics. It is written in a tutorial style with numerous examples and an emphasis upon computational methods. This book should be accessible to anyone with a basic knowledge of elementary mechanics and analysis. Multibody Dynamics examines the behavior of systems of bodies subjected to forces or constraints. The bodies may be securely or loosely connected, and flexible or rigid. Such generality allows the use of multibody systems to model an increasing number of physical systems ranging from robots, biosystems (human body models), satellite booms, large structures, chains and cables. Until recently, analyses of such systems were virtually intractable. With the availability of high-speed digital computers, however, and with corresponding advances in analysis methods, multibody dynamics analyses are not only feasible, they are also practical, and applicable, to these important physical systems.
Book Synopsis Multi-body Dynamic Modeling of Multi-legged Robots by : Abhijit Mahapatra
Download or read book Multi-body Dynamic Modeling of Multi-legged Robots written by Abhijit Mahapatra and published by Springer Nature. This book was released on 2020-02-27 with total page 203 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes the development of an integrated approach for generating the path and gait of realistic hexapod robotic systems. It discusses in detail locomation with straight-ahead, crab and turning motion capabilities in varying terrains, like sloping surfaces, staircases, and various user-defined rough terrains. It also presents computer simulations and validation using Virtual Prototyping (VP) tools and real-world experiments. The book also explores improving solutions by applying the developed nonlinear, constrained inverse dynamics model of the system formulated as a coupled dynamical problem based on the Newton–Euler (NE) approach and taking into account realistic environmental conditions. The approach is developed on the basis of rigid multi-body modelling and the concept that there is no change in the configuration of the system in the short time span of collisions.
Book Synopsis Multibody Dynamics 2019 by : Andrés Kecskeméthy
Download or read book Multibody Dynamics 2019 written by Andrés Kecskeméthy and published by Springer. This book was released on 2019-06-28 with total page 545 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this work, outstanding, recent developments in various disciplines, such as structural dynamics, multiphysic mechanics, computational mathematics, control theory, biomechanics, and computer science, are merged together in order to provide academicians and professionals with methods and tools for the virtual prototyping of complex mechanical systems. Each chapter of the work represents an important contribution to multibody dynamics, a discipline that plays a central role in the modelling, analysis, simulation and optimization of mechanical systems in a variety of fields and for a wide range of applications.
Book Synopsis Symbolic Modeling of Multibody Systems by : J-C. Samin
Download or read book Symbolic Modeling of Multibody Systems written by J-C. Samin and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 478 pages. Available in PDF, EPUB and Kindle. Book excerpt: Modeling and analysing multibody systems require a comprehensive understanding of the kinematics and dynamics of rigid bodies. In this volume, the relevant fundamental principles are first reviewed in detail and illustrated in conformity with the multibody formalisms that follow. Whatever the kind of system (tree-like structures, closed-loop mechanisms, systems containing flexible beams or involving tire/ground contact, wheel/rail contact, etc), these multibody formalisms have a common feature in the proposed approach, viz, the symbolic generation of most of the ingredients needed to set up the model. The symbolic approach chosen, specially dedicated to multibody systems, affords various advantages: it leads to a simplification of the theoretical formulation of models, a considerable reduction in the size of generated equations and hence in resulting computing time, and also enhanced portability of the multibody models towards other specific environments. Moreover, the generation of multibody models as symbolic toolboxes proves to be an excellent pedagogical medium in teaching mechanics.
Book Synopsis New Trends in Mechanism and Machine Science by : Paulo Flores
Download or read book New Trends in Mechanism and Machine Science written by Paulo Flores and published by Springer. This book was released on 2014-08-26 with total page 915 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work presents the most recent research in the mechanism and machine science field and its applications. The topics covered include: theoretical kinematics, computational kinematics, mechanism design, experimental mechanics, mechanics of robots, dynamics of machinery, dynamics of multi-body systems, control issues of mechanical systems, mechanisms for biomechanics, novel designs, mechanical transmissions, linkages and manipulators, micro-mechanisms, teaching methods, history of mechanism science and industrial and non-industrial applications. This volume consists of the Proceedings of the 5th European Conference on Mechanisms Science (EUCOMES) that was held in Guimarães, Portugal, from September 16 – 20, 2014. The EUCOMES is the main forum for the European community working in Mechanisms and Machine Science.
Book Synopsis Proceedings of the 2nd International Conference on Mechanical System Dynamics by : Xiaoting Rui
Download or read book Proceedings of the 2nd International Conference on Mechanical System Dynamics written by Xiaoting Rui and published by Springer Nature. This book was released on with total page 4383 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Planar Multibody Dynamics by : Parviz E. Nikravesh
Download or read book Planar Multibody Dynamics written by Parviz E. Nikravesh and published by CRC Press. This book was released on 2018-09-03 with total page 410 pages. Available in PDF, EPUB and Kindle. Book excerpt: Planar Multibody Dynamics: Formulation, Programming with MATLAB®, and Applications, Second Edition, provides sets of methodologies for analyzing the dynamics of mechanical systems, such as mechanisms and machineries, with coverage of both classical and modern principles. Using clear and concise language, the text introduces fundamental theories, computational methods, and program development for analyzing simple to complex systems. MATLAB is used throughout, with examples beginning with basic commands before introducing students to more advanced programming techniques. The simple programs developed in each chapter come together to form complete programs for different types of analysis. Features Two new chapters on free-body diagram and vector-loop concepts demonstrate that the modern computational techniques of formulating the equations of motion is merely an organized and systematic interpretation of the classical methods A new chapter on modeling impact between rigid bodies is based on two concepts known as continuous and piecewise methods A thorough discussion on modeling friction and the associated computational issues The short MATLAB® programs that are listed in the book can be downloaded from a companion website Several other MATLAB® programs and their user manuals can be downloaded from the companion website including: a general purpose program for kinematic, inverse dynamic, and forward dynamic analysis; a semi-general-purpose program that allows student to experiment with his or her own formulation of equations of motion; a special-purpose program for kinematic and inverse dynamic analysis of four-bar mechanisms The preceding three sets of programs contain animation capabilities for easy visualization of the simulated motion A greater range of examples, problems, and projects
Book Synopsis Multibody Mechatronic Systems by : João Carlos Mendes Carvalho
Download or read book Multibody Mechatronic Systems written by João Carlos Mendes Carvalho and published by Springer. This book was released on 2017-09-29 with total page 569 pages. Available in PDF, EPUB and Kindle. Book excerpt: These are the Proceedings of the 6th International Symposium on Multibody Systems and Mechatronics (MUSME 2017) which was held in Florianópolis, Brazil, October 24-28, 2017. Topics addressed include analysis and synthesis of mechanisms; dynamics of multibody systems; design algorithms for mechatronic systems; simulation procedures and results; prototypes and their performance; robots and micromachines; experimental validations; theory of mechatronic simulation; mechatronic systems; and control of mechatronic systems. The MUSME 2017 Symposium was one of the activities of the FEIbIM Commission for Mechatronics and IFToMM technical Committees for Multibody Dynamics, Robotics and Mechatronics.
Book Synopsis Fundamentals of Vehicle Dynamics and Modelling by : Bruce P. Minaker
Download or read book Fundamentals of Vehicle Dynamics and Modelling written by Bruce P. Minaker and published by John Wiley & Sons. This book was released on 2019-08-15 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt: An introduction to vehicle dynamics and the fundamentals of mathematical modeling Fundamentals of Vehicle Dynamics and Modeling is a student-focused textbook providing an introduction to vehicle dynamics, and covers the fundamentals of vehicle model development. It illustrates the process for construction of a mathematical model through the application of the equations of motion. The text describes techniques for solution of the model, and demonstrates how to conduct an analysis and interpret the results. A significant portion of the book is devoted to the classical linear dynamic models, and provides a foundation for understanding and predicting vehicle behaviour as a consequence of the design parameters. Modeling the pneumatic tire is also covered, along with methods for solving the suspension kinematics problem, and prediction of acceleration and braking performance. The book introduces the concept of multibody dynamics as applied to vehicles and provides insight into how large and high fidelity models can be constructed. It includes the development of a method suitable for computer implementation, which can automatically generate and solve the linear equations of motion for large complex models. Key features: ● Accompanied by a website hosting MATLAB® code. ● Supported by the Global Education Delivery channels. Fundamentals of Vehicle Dynamics and Modeling is an ideal textbook for senior undergraduate and graduate courses on vehicle dynamics.
