We consider multiphysics applications from algorithmic and architectural perspectives,
where “algorithmic” includes both mathematical analysis and computational complexity, and …

Bioethanol is the alternative to fossil fuels for the transport sector's environmental
sustainability. Scientific journals have disclosed a few works on modeling and enhancing …

The development of NekRS, a GPU-oriented thermal-fluids simulation code based on the
spectral element method (SEM) is described. For performance portability, the code is based …

Nektar++ is an open-source software framework designed to support the development of
high-performance scalable solvers for partial differential equations using the spectral/hp …

Visualization and analysis tools, techniques, and algorithms have undergone a rapid
evolution in recent decades to accommodate explosive growth in data size and complexity …

Laplacian matrices of graphs arise in large-scale computational applications such as
semisupervised machine learning; spectral clustering of images, genetic data, and web …

Performance tests and analyses are critical to effective high-performance computing
software development and are central components in the design and implementation of …

The simulation of turbulent flows requires high spatial resolution in potentially a priori
unknown, solution-dependent locations. To achieve adaptive refinement of the mesh, we …

Three-dimensional effects in turbulent duct flows, ie, sidewall boundary layers and
secondary motions, are studied by means of direct numerical simulation (DNS). The spectral …

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 …