Non-intrusive reduced order modelling of the Navier–Stokes equations

D Xiao, F Fang, AG Buchan, CC Pain, IM Navon… - Computer Methods in …, 2015 - Elsevier
This article presents two new non-intrusive reduced order models based upon proper
orthogonal decomposition (POD) for solving the Navier–Stokes equations. The novelty of …

A dynamically bi-orthogonal method for time-dependent stochastic partial differential equations I: Derivation and algorithms

M Cheng, TY Hou, Z Zhang - Journal of Computational Physics, 2013 - Elsevier
We propose a dynamically bi-orthogonal method (DyBO) to solve time dependent stochastic
partial differential equations (SPDEs). The objective of our method is to exploit some intrinsic …

A dynamically bi-orthogonal method for time-dependent stochastic partial differential equations II: Adaptivity and generalizations

M Cheng, TY Hou, Z Zhang - Journal of Computational Physics, 2013 - Elsevier
This is part II of our paper in which we propose and develop a dynamically bi-orthogonal
method (DyBO) to study a class of time-dependent stochastic partial differential equations …

[PDF][PDF] Non-intrusive reduced order models and their applications

D Xiao - 2016 - core.ac.uk
Reduced order models (ROMs) have become prevalent in many fields of physics as they
offer the potential to simulate dynamical systems with substantially increased computation …

A data-driven stochastic method for elliptic PDEs with random coefficients

M Cheng, TY Hou, M Yan, Z Zhang - SIAM/ASA Journal on Uncertainty …, 2013 - SIAM
We propose a data-driven stochastic method (DSM) to study stochastic partial differential
equations (SPDEs) in the multiquery setting. An essential ingredient of the proposed method …