Mitigation strategies for airborne disease transmission in orchestras using computational fluid dynamics

HA Hedworth, M Karam, J McConnell… - Science …, 2021 - science.org
The COVID-19 pandemic forced performing arts groups to cancel shows and entire seasons
due to safety concerns for the audience and performers. It is unclear to what extent aerosols …

Investigating errors observed during UAV-based vertical measurements using computational fluid dynamics

H Hedworth, J Page, J Sohl, T Saad - Drones, 2022 - mdpi.com
Unmanned Aerial Vehicles (UAVs) are a popular platform for air quality measurements. For
vertical measurements, rotary-wing UAVs are particularly well-suited. However, an important …

On the theory of fast projection methods for high-order Navier-Stokes solvers

M Karam, T Saad - Journal of Computational Physics, 2023 - Elsevier
We propose a new framework for the design of fast-projection solvers for the Navier-Stokes
equations using Runge-Kutta integrators. The framework uses the full nonlinear equations …

Reduced-order modeling with reconstruction-informed projections

E Armstrong, JC Sutherland - Combustion and Flame, 2024 - Elsevier
Reduced-order models (ROMs) are commonly employed to address the large computational
cost of simulations for high-dimensional, dynamical systems such as those found in …

Stable timestep formulas for high-order advection–diffusion and Navier–Stokes solvers

T Saad, M Karam - Computers & Fluids, 2022 - Elsevier
We derive three-dimensional stable timestep formulas for high-order explicit time integration
of the advection–diffusion equation. The proposed formulas cover explicit first, second, third …

An evaluation of an asynchronous task based dataflow approach for Uintah

A Humphrey, M Berzins - 2019 IEEE 43rd Annual Computer …, 2019 - ieeexplore.ieee.org
The challenge of running complex physics code on the largest computers available has led
to dataflow paradigms being explored. While such approaches are often applied at smaller …

Automatic halo management for the Uintah GPU-heterogeneous asynchronous many-task runtime

B Peterson, A Humphrey, D Sunderland… - International Journal of …, 2019 - Springer
The Uintah computational framework is used for the parallel solution of partial differential
equations on adaptive mesh refinement grids using modern supercomputers. Uintah is …

Spatially-aware parallel I/O for particle data

S Kumar, S Petruzza, W Usher, V Pascucci - Proceedings of the 48th …, 2019 - dl.acm.org
Particle data are used across a diverse set of large scale simulations, for example, in
cosmology, molecular dynamics and combustion. At scale these applications generate …

Portable and performant GPU/heterogeneous asynchronous many-task runtime system

B Peterson - 2019 - search.proquest.com
Asynchronous many-task (AMT) runtimes are maturing as a model for computing simulations
on a diverse range of architectures at large-scale. The Uintah AMT framework is driven by a …

Does Drone Airflow Compromise Atmospheric Measurements using on-board Sensors: A Simulation and Generalized Scaling Approach

HA Hedworth, T Saad - AIAA AVIATION 2023 Forum, 2023 - arc.aiaa.org
Drones have become an important tool in many fields of research. For applications such as
air quality monitoring, it is important to understand how the airflow produced by the rotors …