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Finite Element Analysis represents a numerical technique for finding approximate solutions to partial differential equations as well as integral equations, permitting the numerical analysis of complex structures based on their material properties. This book presents 20 different chapters in the application of Finite Elements, ranging from Biomedical Engineering to Manufacturing Industry and Industrial Developments. It has been written at a level suitable for use in a graduate course on applications of finite element modelling and analysis (mechanical, civil and biomedical engineering studies, for instance), without excluding its use by researchers or professional engineers interested in the field, seeking to gain a deeper understanding concerning Finite Element Analysis.
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As the title declares, this book is largely concerned with finite element modeling and the improvement of these models with adaptive refinement. The intended audience for this book consists of readers who are either early in their technical careers or mature users and researchers in computational mechanics.
Finite element method. --- Finite element method --- FEA (Numerical analysis) --- FEM (Numerical analysis) --- Finite element analysis --- Numerical analysis --- Isogeometric analysis --- Mathematical models.
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Isogeometric finite elements combine the numerical solution of partial differential equations and the description of the computational domain given by rational splines from computer aided geometric design. This work gives a well-founded introduction to this topic and then extends isogeometric finite elements by a local refinement technique, which is essential for an efficient adaptive simulation. Thereby a hierarchical approach is adapted to the numerical requirements and the relevant theoretical properties of the basis are ensured. The computational results suggest the increased efficiency and the potential of this local refinement method.
Finite element method. --- Isogeometric analysis. --- Mathematics, General. --- Mathematics. --- Mathematics --- Physical Sciences & Mathematics --- Mathematical Theory --- FEA (Numerical analysis) --- FEM (Numerical analysis) --- Finite element analysis --- Iso-geometric analysis --- Mathematics, general. --- Numerical analysis --- Isogeometric analysis --- Combinatorial geometry --- Isometrics (Mathematics) --- Finite element method --- Math --- Science
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Galerkin methods. --- Finite element method. --- Fluid dynamics. --- Transport theory. --- Boltzmann transport equation --- Transport phenomena --- Mathematical physics --- Particles (Nuclear physics) --- Radiation --- Statistical mechanics --- Dynamics --- Fluid mechanics --- FEA (Numerical analysis) --- FEM (Numerical analysis) --- Finite element analysis --- Numerical analysis --- Isogeometric analysis --- Sinc-Galerkin methods --- Sinc methods
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"Many processes in materials science and engineering, such as the load deformation behaviour of certain structures, exhibit nonlinear characteristics. The computer simulation of such processes therefore requires a deep understanding of both the theoretical aspects of nonlinearity and the associated computational techniques. This book provides a complete set of exercises and solutions in the field of theoretical and computational nonlinear continuum mechanics and is the perfect companion to Nonlinear Continuum Mechanics for Finite Element Analysis, where the authors set out the theoretical foundations of the subject. It employs notation consistent with the theory book and serves as a great resource to students, researchers and those in industry interested in gaining confidence by practising through examples. Instructors of the subject will also find the book indispensable in aiding student learning" [Publisher] "This worked examples text is primarily intended as a companion to the second edition of the text book Nonlinear Continuum Mechanics for Finite Element Analysis by Javier Bonet and Richard D. Wood. However, to be reasonably self contained, where necessary key equations from the text book are replicated in each chapter" [Publisher]
Continuum mechanics. --- Finite element method. --- FEA (Numerical analysis) --- FEM (Numerical analysis) --- Finite element analysis --- Numerical analysis --- Isogeometric analysis --- Mechanics of continua --- Elasticity --- Mechanics, Analytic --- Field theory (Physics) --- Milieux continus, Mécanique des. --- Éléments finis, Méthode des. --- Milieux continus, Mécanique des. --- Éléments finis, Méthode des.
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This book elucidates how Finite Element methods look like from the perspective of Green’s functions, and shows new insights into the mathematical theory of Finite Elements. Practically, this new view on Finite Elements enables the reader to better assess solutions of standard programs and to find better model of a given problem. The book systematically introduces the basic concepts how Finite Elements fulfill the strategy of Green’s functions and how approximating of Green’s functions. It discusses in detail the discretization error and shows that are coherent with the strategy of “goal oriented refinement”. The book also gives much attention to the dependencies of FE solutions from the parameter set of the model.
Green's functions. --- Quantum theory. --- Green's functions --- Finite element method --- Engineering & Applied Sciences --- Chemical & Materials Engineering --- Physics --- Physical Sciences & Mathematics --- Materials Science --- Applied Mathematics --- Atomic Physics --- Finite element method. --- Engineering. --- Computer mathematics. --- Continuum mechanics. --- Structural mechanics. --- Continuum Mechanics and Mechanics of Materials. --- Computational Mathematics and Numerical Analysis. --- Structural Mechanics. --- Functions, Green's --- Functions, Induction --- Functions, Source --- Green functions --- Induction functions --- Source functions --- Differential equations --- Potential theory (Mathematics) --- FEA (Numerical analysis) --- FEM (Numerical analysis) --- Finite element analysis --- Numerical analysis --- Isogeometric analysis
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This book describes new methods developed for modelling dynamics of machines commonly used in the offshore industry. These methods are based both on the rigid finite element method, used for the description of link deformations, and on homogeneous transformations and joint coordinates, which is applied to the modelling of multibody system dynamics. In this monograph, the bases of the rigid finite element method and homogeneous transformations are introduced. Selected models for modelling dynamics of offshore devices are then verified both by using commercial software, based on the finite element method, as well as by using additional methods. Examples of mathematical models of offshore machines, such as a gantry crane for Blowout-Preventer (BOP) valve block transportation, a pedestal crane with shock absorber, and pipe laying machinery are presented. Selected problems of control in offshore machinery as well as dynamic optimization in device control are also discussed. Additionally, numerical simulations of pipe-laying operations taking active reel drive into account are shown.
Offshore structures --- Finite element method. --- Dynamics --- Mathematical models. --- FEA (Numerical analysis) --- FEM (Numerical analysis) --- Finite element analysis --- Marine structures --- Offshore installations --- Structures, Offshore --- Offshore structures. --- Offshore technology. --- Pipelines. --- Ocean Engineering --- Engineering. --- Computer mathematics. --- Mechanical engineering. --- Mechanical Engineering. --- Computational Science and Engineering. --- Numerical analysis --- Isogeometric analysis --- Hydraulic engineering --- Ocean engineering --- Computer science. --- Informatics --- Science --- Engineering, Mechanical --- Engineering --- Machinery --- Steam engineering --- Computer mathematics --- Electronic data processing --- Mathematics --- Data processing.
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Finite Element Method in Machining Processes provides a concise study on the way the Finite Element Method (FEM) is used in the case of manufacturing processes, primarily in machining. The basics of this kind of modeling are detailed to create a reference that will provide guidelines for those who start to study this method now, but also for scientists already involved in FEM and want to expand their research. A discussion on FEM, formulations and techniques currently in use is followed up by machining case studies. Orthogonal cutting, oblique cutting, 3D simulations for turning and milling, grinding, and state-of-the-art topics such as high speed machining and micromachining are explained with relevant examples. This is all supported by a literature review and a reference list for further study. As FEM is a key method for researchers in the manufacturing and especially in the machining sector, Finite Element Method in Machining Processes is a key reference for students studying manufacturing processes but also for industry professionals.
Finite element method. --- Machining. --- Mechanics, Applied. --- Applied mechanics --- Engineering, Mechanical --- Materials --- FEA (Numerical analysis) --- FEM (Numerical analysis) --- Finite element analysis --- Machining --- Engineering. --- Mechanics. --- Machinery. --- Industrial engineering. --- Operating Procedures, Materials Treatment. --- Machinery and Machine Elements. --- Theoretical and Applied Mechanics. --- Engineering mathematics --- Machine-shop practice --- Manufacturing processes --- Cutting --- Machine-tools --- Numerical analysis --- Isogeometric analysis --- Manufactures. --- Mechanics, applied. --- Manufacturing, Machines, Tools, Processes. --- Construction --- Industrial arts --- Technology --- Manufactured goods --- Manufactured products --- Products --- Products, Manufactured --- Commercial products --- Manufacturing industries --- Classical mechanics --- Newtonian mechanics --- Physics --- Dynamics --- Quantum theory --- Machinery --- Machines --- Manufactures --- Power (Mechanics) --- Mechanical engineering --- Motors --- Power transmission --- Curious devices
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This book is written by researchers and developers behind the FEniCS Project and explores an advanced, expressive approach to the development of mathematical software. The presentation spans mathematical background, software design and the use of FEniCS in applications. Theoretical aspects are complemented with computer code which is available as free/open source software. The book begins with a tutorial for readers who are new to the topic. Following the tutorial, chapters in Part I address fundamental aspects of the approach to automating the creation of finite element solvers. Chapters in Part II address the design and implementation of the FEnicS software. Chapters in Part III present the application of FEniCS to a wide range of applications, including fluid flow, solid mechanics, electromagnetics and geophysics.
Differential equations, Partial -- Numerical solutions. --- Differential equations. --- Finite element method. --- Finite element method --- Engineering & Applied Sciences --- Mathematics --- Physical Sciences & Mathematics --- Computer Science --- Calculus --- Differential equations --- Data processing. --- FEA (Numerical analysis) --- FEM (Numerical analysis) --- Finite element analysis --- 517.91 Differential equations --- Mathematics. --- Earth sciences. --- Numerical analysis. --- Computer mathematics. --- Computer software. --- Physics. --- Applied mathematics. --- Engineering mathematics. --- Mathematical Software. --- Theoretical, Mathematical and Computational Physics. --- Numeric Computing. --- Appl.Mathematics/Computational Methods of Engineering. --- Computational Science and Engineering. --- Earth Sciences, general. --- Engineering --- Engineering analysis --- Mathematical analysis --- Natural philosophy --- Philosophy, Natural --- Physical sciences --- Dynamics --- Software, Computer --- Computer systems --- Computer mathematics --- Discrete mathematics --- Electronic data processing --- Geosciences --- Environmental sciences --- Math --- Science --- Numerical analysis --- Isogeometric analysis --- Electronic data processing. --- Computer science. --- Geography. --- Mathematical and Computational Engineering. --- Cosmography --- Earth sciences --- World history --- Informatics --- ADP (Data processing) --- Automatic data processing --- Data processing --- EDP (Data processing) --- IDP (Data processing) --- Integrated data processing --- Computers --- Office practice --- Automation --- Mathematical physics. --- Physical mathematics --- Physics --- Numerical solutions --- Computer science
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The book analyzes a quasi-static fracture process in concrete and reinforced concrete by means of constitutive models formulated within continuum mechanics. A continuous and discontinuous modelling approach was used. Using a continuous approach, numerical analyses were performed using a finite element method and three different enhanced continuum models: isotropic elasto-plastic, isotropic damage and anisotropic smeared crack one. The models were equipped with a characteristic length of micro-structure by means of a non-local and a second-gradient theory. So they could properly describe the formation of localized zones with a certain thickness and spacing and a related deterministic size effect. Using a discontinuous FE approach, numerical results of cracks using a cohesive crack model and XFEM were presented which were also properly regularized. Finite element analyses were performed with concrete elements under monotonic uniaxial compression, uniaxial tension, bending and shear-extension. Concrete beams under cyclic loading were also simulated using a coupled elasto-plastic-damage approach. Numerical simulations were performed at macro- and meso-level of concrete. A stochastic and deterministic size effect was carefully investigated. In the case of reinforced concrete specimens, FE calculations were carried out with bars, slender and short beams, columns, corbels and tanks. Tensile and shear failure mechanisms were studied. Numerical results were compared with results from corresponding own and known in the scientific literature laboratory and full-scale tests. .
Soil mechanics -- Congresses. --- Soil mechanics -- Mathematical models -- Congresses. --- Soil mechanics. --- Concrete --- Finite element method --- Engineering & Applied Sciences --- Chemical & Materials Engineering --- Computer Science --- Materials Science --- Cracking --- Mathematical models --- Concrete construction --- Structural analysis (Engineering) --- Finite element method. --- Mathematical models. --- Engineering. --- Artificial intelligence. --- Computational intelligence. --- Computational Intelligence. --- Artificial Intelligence (incl. Robotics). --- Intelligence, Computational --- Artificial intelligence --- Soft computing --- AI (Artificial intelligence) --- Artificial thinking --- Electronic brains --- Intellectronics --- Intelligence, Artificial --- Intelligent machines --- Machine intelligence --- Thinking, Artificial --- Bionics --- Cognitive science --- Digital computer simulation --- Electronic data processing --- Logic machines --- Machine theory --- Self-organizing systems --- Simulation methods --- Fifth generation computers --- Neural computers --- Construction --- Industrial arts --- Technology --- FEA (Numerical analysis) --- FEM (Numerical analysis) --- Finite element analysis --- Numerical analysis --- Isogeometric analysis --- Building, Concrete --- Concrete building --- Construction, Concrete --- Building --- Artificial Intelligence.
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