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Author : Eduardo Jose Tejada-Gamero
Publisher :
ISBN 13 : 9783832273897
Total Pages : 212 pages
Book Rating : 4.2/5 (738 download)
Download or read book Towards Meshless Volume Visualization written by Eduardo Jose Tejada-Gamero and published by . This book was released on 2008 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Christopher S. Co
Publisher :
ISBN 13 :
Total Pages : 154 pages
Book Rating : 4.:/5 (74 download)
Download or read book Meshless Methods for Volume Visualization written by Christopher S. Co and published by . This book was released on 2006 with total page 154 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : A. J. M. Ferreira
Publisher : Springer Science & Business Media
ISBN 13 : 1402088213
Total Pages : 311 pages
Book Rating : 4.4/5 (2 download)
Download or read book Progress on Meshless Methods written by A. J. M. Ferreira and published by Springer Science & Business Media. This book was released on 2008-11-23 with total page 311 pages. Available in PDF, EPUB and Kindle. Book excerpt: In recent years meshless/meshfree methods have gained considerable attention in engineering and applied mathematics. The variety of problems that are now being addressed by these techniques continues to expand and the quality of the results obtained demonstrates the effectiveness of many of the methods currently available. The book presents a significant sample of the state of the art in the field with methods that have reached a certain level of maturity while also addressing many open issues. The book collects extended original contributions presented at the Second ECCOMAS Conference on Meshless Methods held in 2007 in Porto. The list of contributors reveals a fortunate mix of highly distinguished authors as well as quite young but very active and promising researchers, thus giving the reader an interesting and updated view of different meshless approximation methods and their range of applications. The material presented is appropriate for researchers, engineers, physicists, applied mathematicians and graduate students interested in this active research area.
Author :
Publisher :
ISBN 13 :
Total Pages : 5 pages
Book Rating : 4.:/5 (475 download)
Download or read book Applications of Computational Geometry to Volume Visualization written by and published by . This book was released on 1991 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Andrew Corrigan
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (46 download)
Download or read book Kernel-based Meshless Methods written by Andrew Corrigan and published by . This book was released on 2009 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: In order to improve their applicability as a tool for solving partial differential equations in computational science, we equip kernel-based meshless methods with a number of new capabilities. First, we provide kernel-based meshless methods with the first wellposed, general technique which allows for adaptively-scaled trial functions. This is done by constructing an adaptively-scaled kernel which maintains positive definiteness. We extend sampling inequalities to optimally bound fractional order Sobolev norms in terms of possibly higher order data. This sampling inequality is then applied to obtain more optimal error bounds in a reformulation of Schaback's framework for unsymmetric meshless methods. We provide kernel-based meshless methods with a direct visualization technique, by adapting Fourier volume rendering to deal directly with meshless data, which was previously only used directly for grid-based data. Modern graphics hardware has emerged as a powerful architecture for scientific computing. We implement an unstructured grid-based inviscid, compressible flow solver on modern graphics hardware, and obtain an order of magnitude speed-up in comparison to an equivalent code running on a quad-core CPU.
Author :
Publisher :
ISBN 13 :
Total Pages : 170 pages
Book Rating : 4.3/5 (91 download)
Download or read book Proceedings written by and published by . This book was released on 2001 with total page 170 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Peter L. Williams
Publisher :
ISBN 13 :
Total Pages : 5 pages
Book Rating : 4.:/5 (265 download)
Download or read book Applications of Computational Geometry to Volume Visualization written by Peter L. Williams and published by . This book was released on 1991 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : João Manuel R. S. Tavares
Publisher : Springer Nature
ISBN 13 : 3031100158
Total Pages : 304 pages
Book Rating : 4.0/5 (311 download)
Download or read book Computer Methods, Imaging and Visualization in Biomechanics and Biomedical Engineering II written by João Manuel R. S. Tavares and published by Springer Nature. This book was released on 2022-07-29 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book gathers selected, extended and revised contributions to the 17th International Symposium on Computer Methods in Biomechanics and Biomedical Engineering and the 5th Conference on Imaging and Visualization (CMBBE 2021), held online on September 7-9, 2021, from Bonn, Germany. It reports on cutting-edge models, algorithms and imaging techniques for studying cells, tissues and organs in normal and pathological conditions. It covers numerical and machine learning methods, finite element modeling and virtual reality techniques, applied to understand biomechanics of movement, fluid and soft tissue biomechanics. It also reports on related advances in rehabilitation, surgery and diagnosis. All in all, this book offers a timely snapshot of the latest research and current challenges at the interface between biomedical engineering, computational biomechanics and biological imaging. Thus, it is expected to provide a source of inspiration for future research and cross-disciplinary collaborations.
Author : Marc Levoy
Publisher :
ISBN 13 :
Total Pages : 263 pages
Book Rating : 4.:/5 (249 download)
Download or read book Introduction to volume visualization written by Marc Levoy and published by . This book was released on 1991 with total page 263 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Khin Wee Lai
Publisher : Springer
ISBN 13 : 9812875409
Total Pages : 244 pages
Book Rating : 4.8/5 (128 download)
Download or read book Medical Imaging Technology written by Khin Wee Lai and published by Springer. This book was released on 2015-05-06 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents the latest research findings and reviews in the field of medical imaging technology, covering ultrasound diagnostics approaches for detecting osteoarthritis, breast carcinoma and cardiovascular conditions, image guided biopsy and segmentation techniques for detecting lung cancer, image fusion, and simulating fluid flows for cardiovascular applications. It offers a useful guide for students, lecturers and professional researchers in the fields of biomedical engineering and image processing.
Author : G.R. Liu
Publisher : Springer Science & Business Media
ISBN 13 : 1402034687
Total Pages : 497 pages
Book Rating : 4.4/5 (2 download)
Download or read book An Introduction to Meshfree Methods and Their Programming written by G.R. Liu and published by Springer Science & Business Media. This book was released on 2005-12-05 with total page 497 pages. Available in PDF, EPUB and Kindle. Book excerpt: The finite difference method (FDM) hasbeen used tosolve differential equation systems for centuries. The FDM works well for problems of simple geometry and was widely used before the invention of the much more efficient, robust finite element method (FEM). FEM is now widely used in handling problems with complex geometry. Currently, we are using and developing even more powerful numerical techniques aiming to obtain more accurate approximate solutions in a more convenient manner for even more complex systems. The meshfree or meshless method is one such phenomenal development in the past decade, and is the subject of this book. There are many MFree methods proposed so far for different applications. Currently, three monographs on MFree methods have been published. Mesh Free Methods, Moving Beyond the Finite Element Method d by GR Liu (2002) provides a systematic discussion on basic theories, fundamentals for MFree methods, especially on MFree weak-form methods. It provides a comprehensive record of well-known MFree methods and the wide coverage of applications of MFree methods to problems of solids mechanics (solids, beams, plates, shells, etc.) as well as fluid mechanics. The Meshless Local Petrov-Galerkin (MLPG) Method d by Atluri and Shen (2002) provides detailed discussions of the meshfree local Petrov-Galerkin (MLPG) method and itsvariations. Formulations and applications of MLPG are well addressed in their book.
Author : Arieh Iserles
Publisher : Cambridge University Press
ISBN 13 : 9780521868150
Total Pages : 658 pages
Book Rating : 4.8/5 (681 download)
Download or read book Acta Numerica 2006: Volume 15 written by Arieh Iserles and published by Cambridge University Press. This book was released on 2006-08-03 with total page 658 pages. Available in PDF, EPUB and Kindle. Book excerpt: A high-impact factor, prestigious annual publication containing invited surveys by subject leaders: essential reading for all practitioners and researchers.
Author : Yu Jiang
Publisher :
ISBN 13 :
Total Pages : 168 pages
Book Rating : 4.:/5 (567 download)
Download or read book Meshless Methods written by Yu Jiang and published by . This book was released on 2004 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Kwan Yu Chiu
Publisher : Stanford University
ISBN 13 :
Total Pages : 134 pages
Book Rating : 4.F/5 ( download)
Download or read book A Conservative Meshless Framework for Conservation Laws with Applications in Computational Fluid Dynamics written by Kwan Yu Chiu and published by Stanford University. This book was released on 2011 with total page 134 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mesh generation, which is essential to most traditional numerical discretizations, often remains the bottleneck of the simulation process. Many researchers have developed meshless algorithms to circumvent mesh generation. Unfortunately, almost all existing meshless methods suffer from the lack of formal discrete conservation, which can lead to unpredictable numerical errors in the presence of discontinuities. This thesis addresses the issue of non-conservation in existing meshless methods. It focuses on the formulation and implementation of a novel conservative meshless scheme and its applications in computational fluid dynamics (CFD). The scheme, first of such nature documented in the literature, is formulated based on obtaining derivative approximations using function values and generated coefficients satisfying a set of reciprocity and polynomial consistency conditions. The required coefficients are generated by the solution of a global quadratic program. They minimize an upper bound of a representation of the global discretization error in addition to satisfying the necessary conditions. A generalization of the derivative approximation allows the use of arbitrary consistent interface values in the derivative operator while maintaining discrete conservation. This creates a flexible framework within which a wide variety of numerical flux schemes, such as those previously developed for finite volume discretization, can be used with no additional costs. The practicality of this new framework is demonstrated by solving compressible flow problems using, without modifications, a piece of software designed for finite volume discretization. The meshless numerical results show superconvergence and compare well with those obtained using meshed finite volume discretizations and other meshless schemes, highlighting the validity of the new framework and its potential to be applied to problems of greater complexity and scale.
Author : Franz-Erich Wolter
Publisher : I E E E
ISBN 13 : 9780818684456
Total Pages : 832 pages
Book Rating : 4.6/5 (844 download)
Download or read book CGI '98 written by Franz-Erich Wolter and published by I E E E. This book was released on 1998 with total page 832 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Nathaniel Richard Fout
Publisher :
ISBN 13 : 9781267656858
Total Pages : pages
Book Rating : 4.6/5 (568 download)
Download or read book Data Reduction and Uncertainty Analysis for Volume Visualization written by Nathaniel Richard Fout and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This dissertation demonstrates a new approach to hardware-based rendering from compressed volume formats. This method, called deferred filtering, provides efficient decompression when coupled with rendering, allowing interpolation and lighting based on gradients computed on-the-fly, all at interactive frame rates. We then address several other challenges in volumetric compression. First, we consider multidimensional coding of multivariate, time-varying volume data. We present a method that exploits correlations among related variables in order to increase the compression rate as compared to independent compression of variables. We then develop a sophisticated transform coding method that allows decompression in graphics hardware, with the result being a JPEG-like transform coding scheme that allows very large volumes to be compressed and then decompressed in real-time while rendering in graphics hardware. Finally, we describe a lossless floating-point volume compression scheme based on a switched prediction approach that is able to achieve significantly better rates as compared to existing methods with a small increase in compression time. Overall, our work addresses many of the outstanding challenges in data compression that are unique to volume data reduction. Finally, lossy compression adds uncertainty to the volume visualization, and so in order to explore the effects of compression on volume rendering we address the issue of uncertainty in visualization. We use a self-validating computational model to compute a posteriori uncertainty bounds, based on a novel uncertainty framework that captures the various forms of uncertainty present in visualization. We then go on to show that such uncertainty-aware visualizations can produce more complete depictions of the data, thereby allowing more reliable conclusions and informed decisions. This is shown for volume rendering, where we demonstrate that fuzzy volume rendering (volume rendering based on our framework) is capable of generating a reliable volume visualization in which a range of possible renderings is produced, as opposed to a single rendering in which the degree of uncertainty is completely disregarded. Our approach, by computing and communicating the uncertainty in volume rendering, allows viewers a greater degree of confidence in assigning an interpretation to the visualization.
Author :
Publisher :
ISBN 13 :
Total Pages : 854 pages
Book Rating : 4.F/5 ( download)
Download or read book Dissertation Abstracts International written by and published by . This book was released on 2007 with total page 854 pages. Available in PDF, EPUB and Kindle. Book excerpt:
