Optimized Runge-Kutta methods with automatic step size control for compressible computational fluid dynamics

H Ranocha, L Dalcin, M Parsani… - … on Applied Mathematics …, 2022 - Springer
We develop error-control based time integration algorithms for compressible fluid dynamics
(CFD) applications and show that they are efficient and robust in both the accuracy-limited …

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 …

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 …

Entropy stable modal discontinuous Galerkin schemes and wall boundary conditions for the compressible Navier-Stokes equations

J Chan, Y Lin, T Warburton - Journal of Computational Physics, 2022 - Elsevier
Entropy stable schemes ensure that physically meaningful numerical solutions also satisfy a
semi-discrete entropy inequality under appropriate boundary conditions. In this work, we …

Provably stable flux reconstruction high-order methods on curvilinear elements

A Cicchino, DCDR Fernández, S Nadarajah… - Journal of …, 2022 - Elsevier
Provably stable flux reconstruction (FR) schemes are derived for partial differential
equations cast in curvilinear coordinates. Specifically, energy stable flux reconstruction …

[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 …

[HTML][HTML] A multi-domain summation-by-parts formulation for complex geometries

T Lundquist, F Laurén, J Nordström - Journal of Computational Physics, 2022 - Elsevier
We combine existing summation-by-parts discretization methods to obtain a simplified
numerical framework for partial differential equations posed on complex multi-block/element …

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 …