Articles | Volume 11, issue 3
Development and technical paper
29 Mar 2018
Development and technical paper |  | 29 Mar 2018

A fully consistent and conservative vertically adaptive coordinate system for SLIM 3D v0.4 with an application to the thermocline oscillations of Lake Tanganyika

Philippe Delandmeter, Jonathan Lambrechts, Vincent Legat, Valentin Vallaeys, Jaya Naithani, Wim Thiery, Jean-François Remacle, and Eric Deleersnijder

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Cited articles

Ainsworth, M.: Dispersive and dissipative behaviour of high order discontinuous Galerkin finite element methods, J. Computat. Phys., 198, 106–130, 2004.
Akkermans, T., Thiery, W., and van Lipzig, N. P. M.: The regional climate impact of a realistic future deforestation scenario in the Congo Basin, J. Climate, 27, 2714–2734, 2014.
Antenucci, J. P.: Comment on “Are there internal Kelvin waves in Lake Tanganyika?” by Jaya Naithani and Eric Deleersnijder, Geophys. Res. Lett., 32, L22601,, 2005.
Barnier, B., Siefridt, L., and Marchesiello, P.: Thermal forcing for a global ocean circulation model using a three-year climatology of ECMWF analyses, J. Marine Syst., 6, 363–380, 1995.
Bassi, F. and Rebay, S.: High-order accurate discontinuous finite element solution of the 2D Euler equations, J. Comput. Phys., 138, 251–285, 1997.
Short summary
The discontinuous Galerkin (DG) finite element method is well suited for the modelling of three-dimensional flows exhibiting strong density gradients. Here, a vertical adaptive mesh method is developed for DG finite element methods and implemented into SLIM 3D. This technique increases drastically the accuracy of simulations including strong stratification, without affecting the simulation cost. SLIM 3D is then used to simulate the thermocline oscillations of Lake Tanganyika.