Efficient exploitation of exascale architectures requires rethinking of the numerical
algorithms used in many large-scale applications. These architectures favor algorithms that …

Multiphysics problems that are characterized by complex interactions among fluid dynamics,
heat transfer, structural mechanics, and electromagnetics, are inherently challenging due to …

ENRICO is a coupled application developed under the US Department of Energy's Exascale
Computing Project (ECP) targeting the modeling of advanced nuclear reactors. It couples …

In this paper we describe the research and development activities in the Center for Efficient
Exascale Discretization within the US Exascale Computing Project, targeting state-of-the-art …

In the present work, two large eddy simulations (LESs) of single isothermal jets discharging
into large enclosure facilities are proposed. The geometries and tested flow conditions …

We present hipBone, an open-source performance-portable proxy application for the
Nek5000 (and NekRS) computational fluid dynamics applications. HipBone is a fully GPU …

In this work, we study the Galerkin–Boltzmann formulation within a physics-informed neural
network (PINN) framework to solve flow problems in weakly compressible regimes. The …

We examine large-eddy-simulation modeling approaches and computational performance
of two open-source computational fluid dynamics codes for the simulation of atmospheric …

Entropy stable schemes ensure that physically meaningful numerical solutions also satisfy a
semi-discrete entropy inequality under appropriate boundary conditions. In this work, we …

The Poisson pressure solve resulting from the spectral element discretization of the
incompressible Navier-Stokes equation requires fast, robust, and scalable preconditioning …