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https://hdl.handle.net/10316/115436
Title: | Construction of a high order fluid-structure interaction solver | Authors: | Pena, Gonçalo Prud’homme, Christophe |
Keywords: | h/p Galerkin method; Incompressible Navier–Stokes; Preconditioning; Arbitrary Lagrangian Eulerian; Fluid structure interaction | Issue Date: | Aug-2010 | Publisher: | Elsevier | Project: | SFRH/BD/22243/2005 CEF/POCI2010/FEDER |
Serial title, monograph or event: | Journal of Computational and Applied Mathematics | Volume: | 234 | Issue: | 7 | Abstract: | Accuracy is critical if we are to trust simulation predictions. In settings such as fluid–structure interaction, it is all the more important to obtain reliable results to understand, for example, the impact of pathologies on blood flows in the cardiovascular system. In this paper, we propose a computational strategy for simulating fluid structure interaction using high order methods in space and time. First, we present the mathematical and computational core framework, Life, underlying our multi-physics solvers. Life is a versatile library allowing for 1D, 2D and 3D partial differential solves using h/p type Galerkin methods. Then, we briefly describe the handling of high order geometry and the structure solver. Next we outline the high-order spacetime approximation of the incompressible Navier–Stokes equations and comment on the algebraic system and the preconditioning strategy. Finally, we present the high-order Arbitrary Lagrangian Eulerian (ALE) framework in which we solve the fluid–structure interaction problem as well as some initial results. | URI: | https://hdl.handle.net/10316/115436 | ISSN: | 0377-0427 | DOI: | 10.1016/j.cam.2009.08.093 | Rights: | closedAccess |
Appears in Collections: | I&D CMUC - Artigos em Revistas Internacionais FCTUC Matemática - Artigos em Revistas Internacionais |
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