2 papers
physics.flu-dyn2024
Online Optimisation of Machine Learning Collision Models to Accelerate Direct Molecular Simulation of Rarefied Gas Flows
Nicholas Daultry Ball, Jonathan F. MacArt, Justin Sirignano
We develop an online optimisation algorithm for in situ calibration of collision models in simulations of rarefied gas flows. The online optimised collision models are able to achi…
cs.LG2024
Deep Neural Network Initialization with Sparsity Inducing Activations
Ilan Price, Nicholas Daultry Ball, Samuel C. H. Lam +2
Inducing and leveraging sparse activations during training and inference is a promising avenue for improving the computational efficiency of deep networks, which is increasingly im…