Numerical Simulations of a Dispersive Model Approximating Free-Surface Euler Equations
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Published:2021-10-18
Issue:3
Volume:89
Page:
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ISSN:0885-7474
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Container-title:Journal of Scientific Computing
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language:en
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Short-container-title:J Sci Comput
Author:
Sánchez Cipriano Escalante, Fernández-Nieto Enrique D.ORCID, de Luna Tomás Morales, Penel Yohan, Sainte-Marie Jacques
Abstract
AbstractIn some configurations, dispersion effects must be taken into account to improve the simulation of complex fluid flows. A family of free-surface dispersive models has been derived in Fernández-Nieto et al. (Commun Math Sci 16(05):1169–1202, 2018). The hierarchy of models is based on a Galerkin approach and parameterised by the number of discrete layers along the vertical axis. In this paper we propose some numerical schemes designed for these models in a 1D open channel. The cornerstone of this family of models is the Serre – Green-Naghdi model which has been extensively studied in the literature from both theoretical and numerical points of view. More precisely, the goal is to propose a numerical method for the $$LDNH_2$$
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model that is based on a projection method extended from the one-layer case to any number of layers. To do so, the one-layer case is addressed by means of a projection-correction method applied to a non-standard differential operator. A special attention is paid to boundary conditions. This case is extended to several layers thanks to an original relabelling of the unknowns. In the numerical tests we show the convergence of the method and its accuracy compared to the $$LDNH_0$$
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model.
Funder
Universidad de Sevilla
Publisher
Springer Science and Business Media LLC
Subject
Computational Theory and Mathematics,General Engineering,Theoretical Computer Science,Software,Applied Mathematics,Computational Mathematics,Numerical Analysis
Reference66 articles.
1. Aïssiouene, N., Bristeau, M.-O., Godlewski, E., Mangeney, A., Parés, C.: A two-dimensional method for a family of dispersive shallow water models. SMAI J. Comp. Math. 6, 187–226 (2020) 2. Aïssiouene, N., Bristeau, M.-O., Godlewski, E., Sainte-Marie, J.: A combined finite volume-finite element scheme for a dispersive shallow water system. Netw. Heterog. Media 11(1), 1–27 (2016) 3. Allgeyer, S., Bristeau, M.-O., Froger, D., Hamouda, R., Jauzein, V., Mangeney, A., Sainte-Marie, J., Souillé, F., Vallée, M.: Numerical approximation of the 3d hydrostatic Navier-Stokes system with free surface. ESAIM Math. Model. Numer. Anal. 53(6), 1981–2024 (2019) 4. Antuono, M., Liapidevskii, V., Brocchini, M.: Dispersive Nonlinear Shallow-Water Equations. Stud. Appl. Math. 122(1), 1–28 (2009) 5. Bai, Y., Cheung, K.F.: Dispersion and nonlinearity of multi-layer non-hydrostatic free-surface flow. J. Fluid Mech. 726, 226–260 (2013)
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