294 citations
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5 papers · 1 filter
Generalization and stabilization of exact scattering solutions for spherical symmetric scatterers
Jon Vegard Venås, Trond Jenserud
In a previous work the authors described a fast high-fidelity computer model for acoustic scattering from multi-layered elastic spheres. This work is now extended with a scaling st…
Nonlinear proper orthogonal decomposition for convection-dominated flows
Shady E. Ahmed, Omer San, Adil Rasheed +1
Autoencoder techniques find increasingly common use in reduced order modeling as a means to create a latent space. This reduced order representation offers a modular data-driven mo…
Multifidelity Computing for Coupling Full and Reduced Order Models
Shady E. Ahmed, Omer San, Kursat Kara +2
Hybrid physics-machine learning models are increasingly being used in simulations of transport processes. Many complex multiphysics systems relevant to scientific and engineering a…
Data-driven deconvolution for large eddy simulations of Kraichnan turbulence
Romit Maulik, Omer San, Adil Rasheed +1
In this article, we demonstrate the use of artificial neural networks as optimal maps which are utilized for convolution and deconvolution of coarse-grained fields to account for s…
Sub-grid modelling for two-dimensional turbulence using neural networks
Romit Maulik, Omer San, Adil Rasheed +1
In this investigation, a data-driven turbulence closure framework is introduced and deployed for the sub-grid modelling of Kraichnan turbulence. The novelty of the proposed method…