Direct numerical simulations for hybrid rocket boundary layers: Performance modeling and scaling

Kolos Retfalvi, Russell Whitesides, Matthew T McGurn, Matthew G Knepley, Paul E DesJardin, Department of Mechanical and Aerospace Engineering, University at Buffalo, The State University of New York, Computational Engineering Division, Lawrence Livermore National Laboratory, Department of Computer Science, University at Buffalo, The State University of New York

The International Journal of High Performance Computing Applications

Published online on September 17, 2025

Abstract

The International Journal of High Performance Computing Applications, Volume 40, Issue 2, Page 142-157, March 2026.
This paper presents a comprehensive performance and scaling analysis of direct numerical simulations for reacting boundary layers, focusing on slab burner configurations. Using a PETSc-based finite volume CFD framework, the study evaluates the scalability ...