Relaxation Runge--Kutta methods: Fully discrete explicit entropy-stable schemes for the compressible Euler and Navier--Stokes equations

H Ranocha, M Sayyari, L Dalcin, M Parsani… - SIAM Journal on …, 2020 - SIAM
The framework of inner product norm preserving relaxation Runge--Kutta methods [DI
Ketcheson, SIAM J. Numer. Anal., 57 (2019), pp. 2850--2870] is extended to general convex …

High order entropy preserving ADER-DG schemes

E Gaburro, P Öffner, M Ricchiuto, D Torlo - Applied Mathematics and …, 2023 - Elsevier
In this paper, we develop a fully discrete entropy preserving ADER-Discontinuous Galerkin
(ADER-DG) method. To obtain this desired result, we equip the space part of the method …

High-order accurate entropy-stable discontinuous collocated Galerkin methods with the summation-by-parts property for compressible CFD frameworks: Scalable …

M Parsani, R Boukharfane, IR Nolasco… - Journal of …, 2021 - Elsevier
This work reports on the performances of a fully-discrete hp-adaptive entropy stable
discontinuous collocated Galerkin method for the compressible Naiver–Stokes equations …

On the robustness and performance of entropy stable collocated discontinuous Galerkin methods

D Rojas, R Boukharfane, L Dalcin… - Journal of …, 2021 - Elsevier
In computational fluid dynamics, the demand for increasingly multidisciplinary reliable
simulations, for both analysis and design optimization purposes, requires transformational …

[HTML][HTML] Fully discrete explicit locally entropy-stable schemes for the compressible Euler and Navier–Stokes equations

H Ranocha, L Dalcin, M Parsani - Computers & Mathematics with …, 2020 - Elsevier
Recently, relaxation methods have been developed to guarantee the preservation of a
single global functional of the solution of an ordinary differential equation. Here, we …

Conservative and entropy stable solid wall boundary conditions for the compressible Navier–Stokes equations: Adiabatic wall and heat entropy transfer

L Dalcin, D Rojas, S Zampini, DCDR Fernández… - Journal of …, 2019 - Elsevier
We present a novel technique for the imposition of non-linear entropy conservative and
entropy stable solid wall boundary conditions for the compressible Navier–Stokes equations …

Staggered-grid entropy-stable multidimensional summation-by-parts discretizations on curvilinear coordinates

DCDR Fernández, J Crean, MH Carpenter… - Journal of Computational …, 2019 - Elsevier
The entropy conservative/stable staggered grid tensor-product algorithm of Parsani et al.[1]
is extended to multidimensional SBP discretizations. The required SBP preserving …

[HTML][HTML] Evaluation of next-generation high-order compressible fluid dynamic solver on cloud computing for complex industrial flows

R Al Jahdali, S Kortas, M Shaikh, L Dalcin, M Parsani - Array, 2023 - Elsevier
Industrially relevant computational fluid dynamics simulations frequently require vast
computational resources that are only available to governments, wealthy corporations, and …

[HTML][HTML] An entropy–stable p–adaptive nodal discontinuous Galerkin for the coupled Navier–Stokes/Cahn–Hilliard system

G Ntoukas, J Manzanero, G Rubio, E Valero… - Journal of Computational …, 2022 - Elsevier
We develop a novel entropy–stable discontinuous Galerkin approximation of the
incompressible Navier–Stokes/Cahn–Hilliard system for p–non–conforming elements. This …

Optimized geometrical metrics satisfying free-stream preservation

IR Nolasco, L Dalcin, DCDR Fernández, S Zampini… - Computers & …, 2020 - Elsevier
Computational fluid dynamics and aerodynamics, which complement more expensive
empirical approaches, are critical for developing aerospace vehicles. During the past three …