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Modelisation Par Elements Finis
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Book Synopsis The Finite Element Method for Electromagnetic Modeling by : Gérard Meunier
Download or read book The Finite Element Method for Electromagnetic Modeling written by Gérard Meunier and published by John Wiley & Sons. This book was released on 2010-01-05 with total page 618 pages. Available in PDF, EPUB and Kindle. Book excerpt: Written by specialists of modeling in electromagnetism, this book provides a comprehensive review of the finite element method for low frequency applications. Fundamentals of the method as well as new advances in the field are described in detail. Chapters 1 to 4 present general 2D and 3D static and dynamic formulations by the use of scalar and vector unknowns and adapted interpolations for the fields (nodal, edge, face or volume). Chapter 5 is dedicated to the presentation of different macroscopic behavior laws of materials and their implementation in a finite element context: anisotropy and hysteretic properties for magnetic sheets, iron losses, non-linear permanent magnets and superconductors. More specific formulations are then proposed: the modeling of thin regions when finite elements become misfit (Chapter 6), infinite domains by using geometrical transformations (Chapter 7), the coupling of 2D and 3D formulations with circuit equations (Chapter 8), taking into account the movement, particularly in the presence of Eddy currents (Chapter 9) and an original approach for the treatment of geometrical symmetries when the sources are not symmetric (Chapter 10). Chapters 11 to 13 are devoted to coupled problems: magneto-thermal coupling for induction heating, magneto-mechanical coupling by introducing the notion of strong and weak coupling and magneto-hydrodynamical coupling focusing on electromagnetic instabilities in fluid conductors. Chapter 14 presents different meshing methods in the context of electromagnetism (presence of air) and introduces self-adaptive mesh refinement procedures. Optimization techniques are then covered in Chapter 15, with the adaptation of deterministic and probabilistic methods to the numerical finite element environment. Chapter 16 presents a variational approach of electromagnetism, showing how Maxwell equations are derived from thermodynamic principles.
Book Synopsis Modelling of Metal Forming Processes by : J.L. Chenot
Download or read book Modelling of Metal Forming Processes written by J.L. Chenot and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 343 pages. Available in PDF, EPUB and Kindle. Book excerpt: The physical modelling of metal forming processes has been widely used both in University and in Industry for many years. Relatively simple numerical models, such as the Slab Method and the Upper Bound Method, were first used and many such models are implemented in the industry for practical design or regulation of forming processes. These are also under investigation in the University, mainly for treat models ments which require low cost calculations or very fast answers for on-line integration. More recently, sophisticated numerical methods have been used for the simulation of metal flow during forming operations. Since the early works in 1973 and 1974, mainly in U. K. and U. S. A. , the applications of the finite element method to metal processing have been developed in many laboratories all over the world. Now the numerical approach seems to be widely re cognized as a powerful tool for comprehension oriented studies, for predic ting the main technological parameters, and for the design and the optlmi zation of new forming sequences. There is also a very recent trend for the introduction of physical laws in the thermo-mechanical models, in order to predict the local evolution of internal variable representing the micro structure of the metal. To day more and more practicians of the Industry are asking for compu ter models for design of their forming processes.
Book Synopsis Mechanical Vibrations by : Michel Geradin
Download or read book Mechanical Vibrations written by Michel Geradin and published by John Wiley & Sons. This book was released on 2015-02-16 with total page 616 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mechanical Vibrations: Theory and Application to Structural Dynamics, Third Edition is a comprehensively updated new edition of the popular textbook. It presents the theory of vibrations in the context of structural analysis and covers applications in mechanical and aerospace engineering. Key features include: A systematic approach to dynamic reduction and substructuring, based on duality between mechanical and admittance concepts An introduction to experimental modal analysis and identification methods An improved, more physical presentation of wave propagation phenomena A comprehensive presentation of current practice for solving large eigenproblems, focusing on the efficient linear solution of large, sparse and possibly singular systems A deeply revised description of time integration schemes, providing framework for the rigorous accuracy/stability analysis of now widely used algorithms such as HHT and Generalized-α Solved exercises and end of chapter homework problems A companion website hosting supplementary material
Book Synopsis Modélisation et simulation numériques en formage virtuel by : SAANOUNI Khemais
Download or read book Modélisation et simulation numériques en formage virtuel written by SAANOUNI Khemais and published by Lavoisier. This book was released on 2012-04-16 with total page 578 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cet ouvrage fait le point sur les méthodes actuelles les plus performantes pour modéliser, simuler et optimiser les procédés de mise en forme des structures minces et massives et d'en donner les tendances des nouvelles méthodes innovantes actuellement en cours de développement et qui feront à n'en pas douter les "outils" industriels de demain dans le domaine du formage virtuel. Par rapport aux ouvrages récents dédiés aux méthodes numériques en mise en forme, le principal apport de ce livre se trouve rassemblé au deuxième chapitre qui concerne le développement des modèles de comportement multiphysiques à fortes capacités prédictives, utilisables dans les codes de calcul des structures pour simuler et optimiser tous types de procédés de mise en forme par grandes déformations irréversibles de structures métalliques minces et/ou massives et leur "optimisation" vis-à-vis de l'avènement de l'endommagement ductile.
Book Synopsis Mechanics of Geomaterial Interfaces by : A.P.S. Selvadurai
Download or read book Mechanics of Geomaterial Interfaces written by A.P.S. Selvadurai and published by Elsevier. This book was released on 1995-01-30 with total page 569 pages. Available in PDF, EPUB and Kindle. Book excerpt: The subject of geomaterial interfaces recognizes the important influences of the interface behaviour on the performance of interfaces involving cementaceous materials such as concrete and steel, ice-structure interfaces, concrete-rock interfaces and interfaces encountered in soil reinforcement. During the past two decades, the subject of geomaterial interfaces has attracted the concerted attention of scientists and engineers both in geomechanics and applied mechanics. These efforts have been largely due to the observation that the conventional idealizations of the behaviour of interfaces between materials by frictionless contact, bonded contact, Coulomb friction or finite friction tend to omit many interesting and important influences of special relevance to geomaterials. The significant manner in which non-linear effects, dilatancy, contact degradation, hardening and softening, etc., can influence the behaviour of the interface is borne out by experimental evidence. As a result, in many instances, the response of the interface can be the governing criterion in the performance of a geomechanics problem.The primary objective of this volume is to provide a documentation of recent advances in the area of geomaterial interfaces. The volume consists of subject groupings which cover ice-structure, soil-structure and steel-concrete interfaces, mechanics of rock and concrete joints and interfaces in discrete systems.
Book Synopsis Geotechnical Engineering Education and Training by : I Antonescu
Download or read book Geotechnical Engineering Education and Training written by I Antonescu and published by CRC Press. This book was released on 2020-09-10 with total page 537 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume contains papers and reports from the Conference held in Romania, June 2000. The book covers many topics, for example, place, role and content of geotechnical engineering in civil, environmental and earthquake engineering.
Book Synopsis Geomechanics in Reservoir Simulation by : Pascal Longuemare
Download or read book Geomechanics in Reservoir Simulation written by Pascal Longuemare and published by Editions TECHNIP. This book was released on 2002 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Troubleshooting Finite-Element Modeling with Abaqus by : Raphael Jean Boulbes
Download or read book Troubleshooting Finite-Element Modeling with Abaqus written by Raphael Jean Boulbes and published by Springer Nature. This book was released on 2019-09-06 with total page 453 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book gives Abaqus users who make use of finite-element models in academic or practitioner-based research the in-depth program knowledge that allows them to debug a structural analysis model. The book provides many methods and guidelines for different analysis types and modes, that will help readers to solve problems that can arise with Abaqus if a structural model fails to converge to a solution. The use of Abaqus affords a general checklist approach to debugging analysis models, which can also be applied to structural analysis. The author uses step-by-step methods and detailed explanations of special features in order to identify the solutions to a variety of problems with finite-element models. The book promotes: • a diagnostic mode of thinking concerning error messages; • better material definition and the writing of user material subroutines; • work with the Abaqus mesher and best practice in doing so; • the writing of user element subroutines and contact features with convergence issues; and • consideration of hardware and software issues and a Windows HPC cluster solution. The methods and information provided facilitate job diagnostics and help to obtain converged solutions for finite-element models regarding structural component assemblies in static or dynamic analysis. The troubleshooting advice ensures that these solutions are both high-quality and cost-effective according to practical experience. The book offers an in-depth guide for students learning about Abaqus, as each problem and solution are complemented by examples and straightforward explanations. It is also useful for academics and structural engineers wishing to debug Abaqus models on the basis of error and warning messages that arise during finite-element modelling processing.
Book Synopsis Finite Element Simulation of Heat Transfer by : Jean-Michel Bergheau
Download or read book Finite Element Simulation of Heat Transfer written by Jean-Michel Bergheau and published by John Wiley & Sons. This book was released on 2013-03-01 with total page 291 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book introduces the finite element method applied to the resolution of industrial heat transfer problems. Starting from steady conduction, the method is gradually extended to transient regimes, to traditional non-linearities, and to convective phenomena. Coupled problems involving heat transfer are then presented. Three types of couplings are discussed: coupling through boundary conditions (such as radiative heat transfer in cavities), addition of state variables (such as metallurgical phase change), and coupling through partial differential equations (such as electrical phenomena). A review of the various thermal phenomena is drawn up, which an engineer can simulate. The methods presented will enable the reader to achieve optimal use from finite element software and also to develop new applications.
Book Synopsis Connections in Steel Structures by : R. Bjorhovde
Download or read book Connections in Steel Structures written by R. Bjorhovde and published by CRC Press. This book was released on 1988-02-19 with total page 415 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is the Proceedings of a State-of-the-Art Workshop on Connenctions and the Behaviour, Strength and Design of Steel Structures held at Laboratoire de Mecanique et Technologie, Ecole Normale, Cachan France from 25th to 27th May 1987. It contains the papers presented at the above proceedings and is split into eight main sections covering: Local Analysis of Joints, Mathematical Models, Classification, Frame Analysis, Frame Stability and Simplified Methods, Design Requirements, Data Base Organisation, Research and Development Needs. With papers from 50 international contributors this text will provide essential reading for all those involved with steel structures.
Book Synopsis Textile Composites and Inflatable Structures II by : Eugenio Oñate
Download or read book Textile Composites and Inflatable Structures II written by Eugenio Oñate and published by Springer Science & Business Media. This book was released on 2010-09-09 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book contains 14 invited contributions written by distinguished authors who participated in the Second International Conference on Textile Composites and Inflated Structures held in Stuttgart, 2-4 October 2005. The book includes state-of-the-art contributions written by international experts in the field of design, analysis and construction of textile composites and inflatable structures. The different chapters discuss recent progress and future research directions the field.
Book Synopsis Simulation and Modeling of Systems of Systems by : Pascal Cantot
Download or read book Simulation and Modeling of Systems of Systems written by Pascal Cantot and published by John Wiley & Sons. This book was released on 2013-03-04 with total page 427 pages. Available in PDF, EPUB and Kindle. Book excerpt: Systems engineering is the design of a complex interconnection of many elements (a system) to maximize a specific measure of system performance. It consists of two parts: modeling, in which each element of the system and its performance criteria are described; and optimization in which adjustable elements are tailored to allow peak performance. Systems engineering is applied to vast numbers of problems in industry and the military. An example of systems engineering at work is the control of the timing of thousands of city traffic lights to maximize traffic flow. The complex and intricate field of electronics and computers is perfectly suited for systems engineering analysis and in turn, advances in communications and computer technology have made more advanced systems engineering problems solvable. Thus, the two areas fed off of one another. This book is a basic introduction to the use of models and methods in the engineering design of systems. It is aimed at students as well as practicing engineers. The concept of the "systems of systems" is discussed extensively, after a critical comparison of the different definitions and a range of various practical illustrations. It also provides key answers as to what a system of systems is and how its complexity can be mastered.
Book Synopsis Constitutive Modeling of Soils and Rocks by : Pierre-Yves Hicher
Download or read book Constitutive Modeling of Soils and Rocks written by Pierre-Yves Hicher and published by John Wiley & Sons. This book was released on 2013-03-01 with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt: This title provides a comprehensive overview of elastoplasticity relating to soil and rocks. Following a general outline of the models of behavior and their internal structure, each chapter develops a different area of this subject relating to the author's particular expertise. The first half of the book concentrates on the elastoplasticity of soft soils and rocks, while the second half examines that of hard soils and rocks.
Download or read book Cutoffs for Dams written by CIGB ICOLD and published by CRC Press. This book was released on 2018-12-07 with total page 289 pages. Available in PDF, EPUB and Kindle. Book excerpt: ICOLD Bulletin 150, Cutoffs for Dams, discusses foundation treatment methods using cutoff-type barriers. High emphasis is given to alluvial deposits throughout this document; however, different materials may require cutoff. The construction of cutoffs has made significant advances mainly through the development of more powerful machinery for drilling and excavation, but also through the introduction of new concepts and techniques, such as jet grouting and deep soil mixing. The following types of cutoffs are presented in this Bulletin: - Diaphragm walls - Vib walls - Pile walls - Superimposed concreted galleries - Jet grouting - Deep mixing These methods are described, and the practical application of each method is illustrated by selected case histories. These case histories also demonstrate how certain difficulties specific to a particular dam site have been dealt with. The performance of cutoffs should be monitored so that their efficiency in reducing flow and piezometric head can be evaluated. Piezometers installed in the foundation upstream and downstream of the cutoff are needed to meet this objective.
Book Synopsis European Conference on Underwater Acoustics by : M. Weydert
Download or read book European Conference on Underwater Acoustics written by M. Weydert and published by CRC Press. This book was released on 2004-01-14 with total page 786 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book represents the proceedings of the Conference on Underwater Acoustics, held in September 1992, to bring together all the various disciplines involved in a forum to present the latest research on all aspects of marine acoustics.
Book Synopsis Research Into Spinal Deformities 2 by : I. A. F. Stokes
Download or read book Research Into Spinal Deformities 2 written by I. A. F. Stokes and published by IOS Press. This book was released on 1999 with total page 404 pages. Available in PDF, EPUB and Kindle. Book excerpt: Diagnosis and Treatment of Spine Deformities in Children at Specialized Centre -- Session 5: Rationalized Design of Individualized Treatment -- Biomechanical Simulations for Planning of Scoliosis Surgery -- Clinical Assessment of AIS -- Determination of Fixation Level of Osteosynthesis System with Knowledge Base -- 3D" Brace Treatment: "3D" Immediate Effect On Thoracic. Thoracolumbar and Lumbar Scoliotic Curves -- Treatment of Thoracolumbar and Lumbar Idiopathic Scoliotic Curves with the Progressive Action Short Brace (P.A.S.B.)Analysis of Results -- 3D Correction of Trunk Deformity in Patients with Idiopathic Scoliosis Using Cheneau Brace -- Social Effects of Boston Bracing -- Appendix. Clinical Application of 3-D Evaluation of Scoliosis -- Pre-IRSSD meeting Workshops held at Sainte-Justine Hospital, Montreal, Canada, 27 June, 1998. -- Workshop 1: Biomechanical Modelling of Scoliosis: What are the Priorities? -- Workshop 2: Usefulness of Computer Assisted Measurements During Surgery: Should we Continue? -- Workshop 3: Imaging Techniques, which Way to Go: X-Ray, CT Scans, MRI, Surface Topography, Etc.? -- Workshop 4: Aetiology and pattern of spinal deformities: should we continue to study biomechanical and 3D factors? -- Author Index
Download or read book NUMGE 2002 written by Philippe Mestat and published by Presses des Ponts. This book was released on 2002 with total page 1112 pages. Available in PDF, EPUB and Kindle. Book excerpt:
