The GETMe Mesh Smoothing Framework: A Geometric Way to Quality Finite Element Me

Description: The GETMe Mesh Smoothing Framework by Joachim Wipper, Dimitris Vartziotis Estimated delivery 3-12 business days Format Hardcover Condition Brand New Description This book describes the mathematical theory of regularizing element transformations as foundation for mesh smoothing. It gives a thorough introduction to GETMe based mesh smoothing and its algorithms providing a framework to focus on efficiently improving minimal element quality, overal mesh quality, and mesh validity. Publisher Description High quality meshes play a key role in many applications based on digital modeling and simulation. The finite element method is a paragon for such an approach and it is well known that quality meshes can significantly improve computational efficiency and solution accuracy of this method. Therefore, a lot of effort has been put in methods for improving mesh quality. These range from simple geometric approaches, like Laplacian smoothing, with a high computational efficiency but possible low resulting mesh quality, to global optimization-based methods, resulting in an excellent mesh quality at the cost of an increased computational and implementational complexity.The geometric element transformation method (GETMe) aims to fill the gap between these two approaches. It is based on geometric mesh element transformations, which iteratively transform polygonal and polyhedral elements into their regular counterparts or into elements with a prescribed shape. GETMe combines a Laplacian smoothing-like computational efficiency with a global optimization-like effectiveness. The method is straightforward to implement and its variants can also be used to improve tangled and anisotropic meshes.This book describes the mathematical theory of geometric element transformations as foundation for mesh smoothing. It gives a thorough introduction to GETMe-based mesh smoothing and its algorithms providing a framework to focus on effectively improving key mesh quality aspects. It addresses the improvement of planar, surface, volumetric, mixed, isotropic, and anisotropic meshes and addresses aspects of combining mesh smoothing with topological mesh modification.The advantages of GETMe-based mesh smoothing are demonstrated by the example of various numerical tests. These include smoothing of real world meshes from engineering applications as well as smoothing of synthetic meshes for demonstrating key aspects of GETMe-based mesh improvement. Results are compared with those of other smoothing methods in terms of runtime behavior, mesh quality, and resulting finite element solution efficiency and accuracy.Features:• Helps to improve finite element mesh quality by applying geometry-driven mesh smoothing approaches.• Supports the reader in understanding and implementing GETMe-based mesh smoothing.• Discusses aspects and properties of GETMe smoothing variants and thus provides guidance for choosing the appropriate mesh improvement algorithm.• Addresses smoothing of various mesh types: planar, surface, volumetric, isotropic, anisotropic, non-mixed, and mixed.• Provides and analyzes geometric element transformations for polygonal and polyhedral elements with regular and non-regular limits.• Includes a broad range of numerical examples and compares results with those of other smoothing methods. Author Biography Dr. Dimitris Vartziotis studied Aeronautical and Space Engineering (MSc) (Prof. JohnArgyris) and Civil Engineering (MSc). He carried out his PhD Thesis in ComputationalMechanics. He worked as a scientific executive in IBM Germany. He founded andmanages the companies ΝΙΚΙ ΜΕΠΕ and TWT GmbH. TWT GmbH has been awardedfirst place for innovation and overall evaluation amongst the top German automotivecompanies. His research focuses on scientific technology and theoretical Mathematics.He publishes in international scientific journals of publishing houses such as Elsevierand Springer. Moreover, he is a reviewer for the European Mathematical Society(zbMATH) and the American Mathematical Society (AMS).Dr. Joachim Wipper studied mathematics and computer sciences with an emphasis onnumerical mathematics and computer aided geometric design. From 1999 he worked asscientific employee at the Mathematical Institute of Stuttgart University and earned hisdoctorate degree in 2005 working on a spline based finite element method. In 2006 hechanged to TWT GmbH Science & Innovation working on industrial and researchprojects covering engineering and mathematical topics. Since 2013 he is employed inthe Research & Development department of TRUMPF Werkzeugmaschinen GmbH &Co. KG. Details ISBN 0367023423 ISBN-13 9780367023423 Title The GETMe Mesh Smoothing Framework Author Joachim Wipper, Dimitris Vartziotis Format Hardcover Year 2018 Pages 254 Publisher Taylor & Francis Ltd GE_Item_ID:139854819; About Us Grand Eagle Retail is the ideal place for all your shopping needs! With fast shipping, low prices, friendly service and over 1,000,000 in stock items - you're bound to find what you want, at a price you'll love! Shipping & Delivery Times Shipping is FREE to any address in USA. 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End Time: 2024-12-06T06:04:36.000Z

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