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＜電子ブック＞
Advances in Trefftz Methods and Their Applications / edited by Carlos Alves, Andreas Karageorghis, Vitor Leitão, Svilen Valtchev
(SEMA SIMAI Springer Series. ISSN:2199305X ; 23)

版	1st ed. 2020.
出版者	(Cham : Springer International Publishing : Imprint: Springer)
出版年	2020
本文言語	英語
大きさ	XIV, 203 p. 106 illus., 78 illus. in color : online resource
著者標目	Alves, Carlos editor Karageorghis, Andreas editor Leitão, Vitor editor Valtchev, Svilen editor SpringerLink (Online service)
件　名	LCSH:Mathematics -- Data processing  全ての件名で検索 LCSH:Computer science LCSH:Mathematical physics FREE:Computational Mathematics and Numerical Analysis FREE:Computer Science FREE:Theoretical, Mathematical and Computational Physics
一般注記	1 Chen, M. et al., Solving Partial Differential Equations on Surfaces with Fundamental Solutions -- 2 Akhmouch, L. et al., Solving magneto-hydrodynamic (MHD) channel flows at large Hartmann numbers by using the method of fundamental solutions -- 3 Gáspár, C. et al., Application of Quadtrees in the Method of Fundamental Solutions using Multi-Level Tools -- 4 Liu, Q., Method of Fundamental Solutions without Fictitious Boundary for Anisotropic Elasticity Problems Based on Mechanical Equilibrium Desingularization -- 5 Barbeiro, S. and Serranho, P., The method of fundamental solutions for the direct elastography problem in the human retina -- 6 Martins, Nuno F. M., Identification and reconstruction of body forces in a Stokes system using shear waves -- 7 Marin, L., MFS-Fading Regularization Method for Inverse BVPs in Anisotropic Heat Conduction -- 8. Mocerino, A., et al., Non-intrusive Estimate of Spatially Varying Internal Heat Flux in Coiled Ducts: Method of Fundamental Solutions Applied to theReciprocity Functional Approach -- 9 Moldovan, D.I., et al., Unified hybrid-Trefftz finite element formulation for dynamic problems -- 10. Fu, Z.-J. et al., Acoustic bandgap calculation of liquid phononic crystals via the meshless generalized finite difference method In this book we gather recent mathematical developments and engineering applications of Trefftz methods, with particular emphasis on the Method of Fundamental Solutions (MFS). These are true meshless methods that have the advantage of avoiding the need to set up a mesh altogether, and therefore going beyond the reduction of the mesh to a boundary. These Trefftz methods have advantages in several engineering applications, for instance in inverse problems where the domain is unknown and some numerical methods would require a remeshing approach. Trefftz methods are also known to perform very well with regular domains and regular data in boundary value problems, achieving exponential convergence. On the other hand, they may also under certain conditions, exhibit instabilities and lead to ill-conditioned systems. This book is divided into ten chapters that illustrate recent advances in Trefftz methods and their application to engineering problems. Thefirst eight chapters are devoted to the MFS and variants whereas the last two chapters are devoted to related meshless engineering applications. Part of these selected contributions were presented in the 9th International Conference on Trefftz Methods and 5th International Conference on the MFS, held in 2019, July 29-31, in Lisbon, Portugal HTTP:URL=https://doi.org/10.1007/978-3-030-52804-1

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