Meshing Geometric Modeling And Numerical Simulation
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| Author | : Paul Louis George |
| Publisher | : John Wiley & Sons |
| Total Pages | : 420 |
| Release | : 2019-05-29 |
| Genre | : Mathematics |
| ISBN | : 1786301172 |
Triangulations, and more precisely meshes, are at the heart of many problems relating to a wide variety of scientific disciplines, and in particular numerical simulations of all kinds of physical phenomena. In numerical simulations, the functional spaces of approximation used to search for solutions are defined from meshes, and in this sense these meshes play a fundamental role. This strong link between meshes and functional spaces leads us to consider advanced simulation methods in which the meshes are adapted to the behaviors of the underlying physical phenomena. This book presents the basic elements of this vision of meshing. These mesh adaptations are generally governed by a posteriori error estimators representing an increase of the error with respect to a size or metric. Independently of this metric of calculation, compliance with a geometry can also be calculated using a so-called geometric metric. The notion of mesh thus finds its meaning in the metric of its elements.
| Author | : Houman Borouchaki |
| Publisher | : John Wiley & Sons |
| Total Pages | : 389 |
| Release | : 2017-11-29 |
| Genre | : Mathematics |
| ISBN | : 1786300389 |
Triangulations, and more precisely meshes, are at the heart of many problems relating to a wide variety of scientific disciplines, and in particular numerical simulations of all kinds of physical phenomena. In numerical simulations, the functional spaces of approximation used to search for solutions are defined from meshes, and in this sense these meshes play a fundamental role. This strong link between the meshes and functional spaces leads us to consider advanced simulation methods in which the meshes are adapted to the behaviors of the underlying physical phenomena. This book presents the basic elements of this meshing vision.
| Author | : Paul Louis George |
| Publisher | : John Wiley & Sons |
| Total Pages | : 352 |
| Release | : 2020-11-04 |
| Genre | : Mathematics |
| ISBN | : 1119788064 |
Triangulations, and more precisely meshes, are at the heart of many problems relating to a wide variety of scientific disciplines, and in particular numerical simulations of all kinds of physical phenomena. In Volume 1, the theoretical foundations relating to triangulations, finite element shape functions and their interpretations as geometric patches were explored. This has made it possible to build tools that make the geometric modeling of any object possible. These elements are used in Volume 2 to treat meshing problems in their different implementations. Meshing, Geometric Modeling and Numerical Simulation 3 offers technical additions to the methods seen in the first two volumes and a significant portion of this book is dedicated to mesh visualization problems and solutions, especially those with a high degree of complexity.
| Author | : Paul Louis George |
| Publisher | : John Wiley & Sons |
| Total Pages | : 352 |
| Release | : 2020-11-06 |
| Genre | : Mathematics |
| ISBN | : 1119788056 |
Triangulations, and more precisely meshes, are at the heart of many problems relating to a wide variety of scientific disciplines, and in particular numerical simulations of all kinds of physical phenomena. In Volume 1, the theoretical foundations relating to triangulations, finite element shape functions and their interpretations as geometric patches were explored. This has made it possible to build tools that make the geometric modeling of any object possible. These elements are used in Volume 2 to treat meshing problems in their different implementations. Meshing, Geometric Modeling and Numerical Simulation 3 offers technical additions to the methods seen in the first two volumes and a significant portion of this book is dedicated to mesh visualization problems and solutions, especially those with a high degree of complexity.
| Author | : Houman Borouchaki |
| Publisher | : |
| Total Pages | : |
| Release | : 2017 |
| Genre | : MATHEMATICS |
| ISBN | : 9781119384335 |
| Author | : Paul Louis George |
| Publisher | : John Wiley & Sons |
| Total Pages | : 414 |
| Release | : 2019-01-24 |
| Genre | : Mathematics |
| ISBN | : 1119384354 |
Triangulations, and more precisely meshes, are at the heart of many problems relating to a wide variety of scientific disciplines, and in particular numerical simulations of all kinds of physical phenomena. In numerical simulations, the functional spaces of approximation used to search for solutions are defined from meshes, and in this sense these meshes play a fundamental role. This strong link between meshes and functional spaces leads us to consider advanced simulation methods in which the meshes are adapted to the behaviors of the underlying physical phenomena. This book presents the basic elements of this vision of meshing. These mesh adaptations are generally governed by a posteriori error estimators representing an increase of the error with respect to a size or metric. Independently of this metric of calculation, compliance with a geometry can also be calculated using a so-called geometric metric. The notion of mesh thus finds its meaning in the metric of its elements.
| Author | : Yongjie Jessica Zhang |
| Publisher | : CRC Press |
| Total Pages | : 352 |
| Release | : 2016-04-06 |
| Genre | : Computers |
| ISBN | : 1482227770 |
Cutting-Edge Techniques to Better Analyze and Predict Complex Physical Phenomena Geometric Modeling and Mesh Generation from Scanned Images shows how to integrate image processing, geometric modeling, and mesh generation with the finite element method (FEM) to solve problems in computational biology, medicine, materials science, and engineering. Based on the author’s recent research and course at Carnegie Mellon University, the text explains the fundamentals of medical imaging, image processing, computational geometry, mesh generation, visualization, and finite element analysis. It also explores novel and advanced applications in computational biology, medicine, materials science, and other engineering areas. One of the first to cover this emerging interdisciplinary field, the book addresses biomedical/material imaging, image processing, geometric modeling and visualization, FEM, and biomedical and engineering applications. It introduces image-mesh-simulation pipelines, reviews numerical methods used in various modules of the pipelines, and discusses several scanning techniques, including ones to probe polycrystalline materials. The book next presents the fundamentals of geometric modeling and computer graphics, geometric objects and transformations, and curves and surfaces as well as two isocontouring methods: marching cubes and dual contouring. It then describes various triangular/tetrahedral and quadrilateral/hexahedral mesh generation techniques. The book also discusses volumetric T-spline modeling for isogeometric analysis (IGA) and introduces some new developments of FEM in recent years with applications.
| Author | : Patrick Ciarlet |
| Publisher | : John Wiley & Sons |
| Total Pages | : 404 |
| Release | : 2023-07-26 |
| Genre | : Mathematics |
| ISBN | : 1394229747 |
The finite element method, which emerged in the 1950s to deal with structural mechanics problems, has since undergone continuous development. Using partial differential equation models, it is now present in such fields of application as mechanics, physics, chemistry, economics, finance and biology. It is also used in most scientific computing software, and many engineers become adept at using it in their modeling and numerical simulation activities. This book presents all the essential elements of the finite element method in a progressive and didactic way: the theoretical foundations, practical considerations of implementation, algorithms, as well as numerical illustrations created in MATLAB. Original exercises with detailed answers are provided at the end of each chapter.
| Author | : Robin Bouclier |
| Publisher | : John Wiley & Sons |
| Total Pages | : 244 |
| Release | : 2023-07-26 |
| Genre | : Mathematics |
| ISBN | : 1394229623 |
Isogeometric analysis (IGA) consists of using the same higher-order and smooth spline functions for the representation of geometry in Computer Aided Design as for the approximation of solution fields in Finite Element Analysis. Now, almost twenty years after its creation, substantial works are being reported in IGA, making it very competitive in scientific computing. This book proposes to use IGA jointly with standard finite element methods (FEM), presenting IGA as a projection of FEM on a more regular reduced basis. By shedding new light on how IGA relates to FEM, we can see how IGA can be implemented on top of an FE code in order to improve the solution of problems that require more regularity. This is illustrated by using IGA with FEM in a non-invasive fashion to perform efficient and robust multiscale global/local simulations in solid mechanics. Furthermore, we show that IGA can regularize the inverse problem of FE digital image correlation in experimental mechanics.
| Author | : John P. Steinbrenner |
| Publisher | : |
| Total Pages | : 86 |
| Release | : 2005 |
| Genre | : Computational grids (Computer systems) |
| ISBN | : |
An application programmer's interface known as API V2 was written to facilitate the sharing of unstructured meshing technology among computational analysts developing or requiring meshing methods. API V2's architecture consists of a database and a meshing library. The database library owns all mesh data and contains API functions for the transfer of data between the mesh library and the application. It also contains functions for dynamic loading of meshing libraries, allowing applications to access multiple meshing libraries simultaneously. The more compact meshing library API contains functions to extract the particulars of the library, including run-time parameters, allowable mesh types and available algorithms. Algorithm types are non-specific and may pertain to peripheral mesh operations as well as generation techniques. An example implementation of a database library is included for distribution. Its use markedly reduces the effort required to develop compliant applications or meshing libraries. An example Fortran wrapper library is also provided to allow Fortran applications to access compliant libraries. API V2's utility is demonstrated via sample implementations of two proprietary applications and a proprietary meshing library. API V2's future viability as a standard for unstructured meshing is dependent on the ability to maintain and extend the API, to provide training and to define certification criteria.
