Discontinuous Galerkin methods for hypersonic flows

DS Hoskin, RL Van Heyningen, NC Nguyen… - Progress in Aerospace …, 2024 - Elsevier
In recent years, high-order discontinuous Galerkin (DG) methods have emerged as an
attractive approach for numerical simulations of compressible flows. This paper presents an …

A novel robust strategy for discontinuous Galerkin methods in computational fluid mechanics: Why? When? What? Where?

GJ Gassner, AR Winters - Frontiers in Physics, 2021 - frontiersin.org
In this paper we will review a recent emerging paradigm shift in the construction and
analysis of high order Discontinuous Galerkin methods applied to approximate solutions of …

General drag coefficient for flow over spherical particles

N Singh, M Kroells, C Li, E Ching, M Ihme, CJ Hogan… - AIAA journal, 2022 - arc.aiaa.org
A generalized physics-based expression for the drag coefficient of spherical particles
moving in a fluid is developed. The proposed correlation incorporates essential rarefied …

A conservative discontinuous Galerkin discretization for the chemically reacting Navier-Stokes equations

RF Johnson, AD Kercher - Journal of Computational Physics, 2020 - Elsevier
We present a detailed description and verification of a discontinuous Galerkin finite element
method (DG) for the multi-component chemically reacting compressible Navier-Stokes …

High-order methods for hypersonic flows with strong shocks and real chemistry

A Peyvan, K Shukla, J Chan, G Karniadakis - Journal of Computational …, 2023 - Elsevier
We compare high-order methods including spectral difference (SD), flux reconstruction (FR),
the entropy-stable discontinuous Galerkin spectral element method (ES-DGSEM), modal …

Positivity-preserving and entropy-bounded discontinuous Galerkin method for the chemically reacting, compressible Euler equations. Part I: The one-dimensional …

EJ Ching, RF Johnson, AD Kercher - Journal of Computational Physics, 2024 - Elsevier
In this paper, we develop a fully conservative, positivity-preserving, and entropy-bounded
discontinuous Galerkin scheme for simulating the multicomponent, chemically reacting …

A robust, high-order implicit shock tracking method for simulation of complex, high-speed flows

T Huang, MJ Zahr - Journal of Computational Physics, 2022 - Elsevier
High-order implicit shock tracking (fitting) is a new class of numerical methods to
approximate solutions of conservation laws with non-smooth features, eg, contact lines …

An adaptive viscosity regularization approach for the numerical solution of conservation laws: Application to finite element methods

NC Nguyen, J Vila-Pérez, J Peraire - Journal of Computational Physics, 2023 - Elsevier
We introduce an adaptive viscosity regularization approach for the numerical solution of
systems of nonlinear conservation laws with shock waves. The approach seeks to solve a …

The moving discontinuous Galerkin finite element method with interface condition enforcement for compressible viscous flows

AD Kercher, A Corrigan… - International Journal for …, 2021 - Wiley Online Library
The moving discontinuous Galerkin finite element method with interface condition
enforcement is applied to the case of viscous flows. This method uses a weak formulation …

Model reduction techniques for parametrized nonlinear partial differential equations

NC Nguyen - Error Control, Adaptive Discretizations, and …, 2024 - books.google.com
2. Hyper-reduction methods 2.1 Parametrized integrals 2.2 Empirical quadrature methods
2.3 Empirical interpolation methods 2.4 Integral interpolation methods 3. First-order …