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Civil-Comp Conferences
ISSN 2753-3239
ISSN 2753-3239
CCC: 10
PROCEEDINGS OF THE EIGHTEENTH INTERNATIONAL CONFERENCE ON CIVIL, STRUCTURAL AND ENVIRONMENTAL ENGINEERING COMPUTING
PROCEEDINGS OF THE EIGHTEENTH INTERNATIONAL CONFERENCE ON CIVIL, STRUCTURAL AND ENVIRONMENTAL ENGINEERING COMPUTING
Edited by: P. Iványi, J. Kruis and B.H.V. Topping
Paper 8.2
Fictitious Domain Approach for a Fluid in an Elastic Channel
L. Gastaldi and P. Tesini
Dipartimento di Ingegneria Civile, Architettura, Territorio, Ambiente e di Matematica (DICATAM), Università degli Studi di Brescia, Italy
Full Bibliographic Reference for this paper
L. Gastaldi, P. Tesini, "Fictitious Domain Approach for a Fluid in an Elastic Channel", in P. Iványi, J. Kruis, B.H.V. Topping, (Editors), "Proceedings of the Eighteenth International Conference on
Civil, Structural and Environmental Engineering Computing", Civil-Comp Press, Edinburgh, UK,
Online volume: CCC 10, Paper 8.2, 2025,
Keywords: fluid structure interactions, fictitious domain method, immersed boundary method, finite elements, incompressible fluid, elastic response.
Abstract
We consider a fluid structure interaction problem consisting of a channel with
an elastic wall which deforms due to the flow of an incompressible fluid.
The proposed method consists in the use of a fictitious domain approach so that
the fluid domain is extended outside the channel and the structure is then
immersed in the fluid. This allows to avoid the construction of a time
dependent grid fitted with the position of the structure. Our results
are in good agreement with those provided by a remeshing technique.
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