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cs.CE2019
FLEXI: A high order discontinuous Galerkin framework for hyperbolic-parabolic conservation laws
Nico Krais, Andrea Beck, Thomas Bolemann +8
High order (HO) schemes are attractive candidates for the numerical solution of multiscale problems occurring in fluid dynamics and related disciplines. Among the HO discretization…
cs.CE2019
A large eddy simulation method for DGSEM using non-linearly optimized relaxation filters
David G Flad, Andrea D Beck, Philipp Guthke
In this paper, we apply a specifically designed dissipative spatial filter as sub-grid scale model within the increasingly popular discontinuous Galerkin methods and the closely re…
cs.CE2018
Deep Neural Networks for Data-Driven Turbulence Models
Andrea D. Beck, David G. Flad, Claus-Dieter Munz
In this work, we present a novel data-based approach to turbulence modelling for Large Eddy Simulation (LES) by artificial neural networks. We define the exact closure terms includ…