Showing physics.comp-phShow all
3 papers · 1 filter
physics.comp-ph2020
Direct Numerical Simulations of turbulent flows using high-order Asynchrony-Tolerant schemes: accuracy and performance
Komal Kumari, Diego A. Donzis
Direct numerical simulations (DNS) are an indispensable tool for understanding the fundamental physics of turbulent flows. Because of their steep increase in computational cost wit…
physics.comp-ph2019
A scalable weakly-synchronous algorithm for solving partial differential equations
Konduri Aditya, Tobias Gysi, Grzegorz Kwasniewski +3
Synchronization overheads pose a major challenge as applications advance towards extreme scales. In current large-scale algorithms, synchronization as well as data communication de…
physics.comp-ph2019
A Unified Approach for Deriving Optimal Finite Differences
Komal Kumari, Raktim Bhattacharya, Diego A. Donzis
A unified approach to derive optimal finite differences is presented which combines three critical elements for numerical performance especially for multi-scale physical problems,…