A high-order semi-explicit discontinuous Galerkin solver for 3D incompressible flow with application to DNS and LES of turbulent channel flow

B Krank, N Fehn, WA Wall, M Kronbichler - Journal of Computational …, 2017 - Elsevier
We present an efficient discontinuous Galerkin scheme for simulation of the incompressible
Navier–Stokes equations including laminar and turbulent flow. We consider a semi-explicit …

On the stability of projection methods for the incompressible Navier–Stokes equations based on high-order discontinuous Galerkin discretizations

N Fehn, WA Wall, M Kronbichler - Journal of Computational Physics, 2017 - Elsevier
The present paper deals with the numerical solution of the incompressible Navier–Stokes
equations using high-order discontinuous Galerkin (DG) methods for discretization in space …

High‐order DG solvers for underresolved turbulent incompressible flows: A comparison of L2 and H(div) methods

N Fehn, M Kronbichler, C Lehrenfeld… - … Methods in Fluids, 2019 - Wiley Online Library
The accurate numerical simulation of turbulent incompressible flows is a challenging topic in
computational fluid dynamics. For discretisation methods to be robust in the underresolved …

[HTML][HTML] A high-order discontinuous Galerkin solver for the incompressible RANS equations coupled to the k− ϵ turbulence model

M Tiberga, A Hennink, JL Kloosterman… - Computers & Fluids, 2020 - Elsevier
Accurate methods to solve the Reynolds-Averaged Navier-Stokes (RANS) equations
coupled to turbulence models are still of great interest, as this is often the only …

A variable stepsize, variable order family of low complexity

V DeCaria, A Guzel, W Layton, Y Li - SIAM Journal on Scientific Computing, 2021 - SIAM
Variable stepsize, variable order (VSVO) methods have limited impact in timestepping
methods in complex applications due to their computational complexity and the difficulty in …

An energy-conservative DG-FEM approach for solid–liquid phase change

BJ Kaaks, M Rohde, JL Kloosterman… - … Heat Transfer, Part B …, 2023 - Taylor & Francis
We present a discontinuous Galerkin method for melting/solidification problems based on
the “linearized enthalpy approach,” which is derived from the conservative form of the …

A high‐order discontinuous Galerkin solver for low Mach number flows

B Klein, B Müller, F Kummer… - International Journal for …, 2016 - Wiley Online Library
In this work, we present a high‐order discontinuous Galerkin method (DGM) for simulating
variable density flows at low Mach numbers. The corresponding low Mach number …

Assessment of high‐order IMEX methods for incompressible flow

M Guesmi, M Grotteschi, J Stiller - International Journal for …, 2023 - Wiley Online Library
This paper investigates the competitiveness of semi‐implicit Runge‐Kutta (RK) and spectral
deferred correction (SDC) time‐integration methods up to order six for incompressible …

[HTML][HTML] Direct Numerical Simulation of Multi-Phase Flows using Extended Discontinuous Galerkin Methods

M Smuda - 2021 - tuprints.ulb.tu-darmstadt.de
The scientific study of multi-phase flows is a challenging task for analytical and experimental
works. Thus, sophisticated and specialized numerical methods are in need for the direct …

Level set methods for high-order unfitted discontinuous Galerkin schemes

T Utz - 2018 - tuprints.ulb.tu-darmstadt.de
This work presents three algorithms for the level set modeling of phase boundaries. The
application of these algorithms are high-order extended discontinuous Galerkin methods for …