Non-intrusive reduced order modeling of unsteady flows using artificial neural networks with application to a combustion problem

Q Wang, JS Hesthaven, D Ray - Journal of computational physics, 2019 - Elsevier
A non-intrusive reduced-basis (RB) method is proposed for parametrized unsteady flows. A
set of reduced basis functions are extracted from a collection of high-fidelity solutions via a …

One-dimensional modeling of dam-break flow over movable beds

W Wu, SS Wang - Journal of hydraulic engineering, 2007 - ascelibrary.org
A one-dimensional model has been established to simulate the fluvial processes under dam-
break flow over movable beds. The hydrodynamic model adopts the generalized shallow …

Finite-difference TVD scheme for computation of dam-break problems

JS Wang, HG Ni, YS He - Journal of hydraulic engineering, 2000 - ascelibrary.org
A second-order hybrid type of total variation diminishing (TVD) finite-difference scheme is
investigated for solving dam-break problems. The scheme is based upon the first-order …

An unstructured node-centered finite volume scheme for shallow water flows with wet/dry fronts over complex topography

IK Nikolos, AI Delis - Computer Methods in Applied Mechanics and …, 2009 - Elsevier
An unstructured high-resolution, node-centered finite volume algorithm for triangular grids is
developed in order to simulate unsteady, two-dimensional, shallow water flows over …

Upwind conservative scheme for the Saint Venant equations

X Ying, AA Khan, SSY Wang - Journal of hydraulic engineering, 2004 - ascelibrary.org
An upwind conservative scheme with a weighted average water-surface-gradient approach
is proposed to compute one-dimensional open channel flows. The numerical scheme is …

One-dimensional explicit finite-volume model for sediment transport

W Wu, SSY Wang - Journal of Hydraulic Research, 2008 - Taylor & Francis
A 1D finite-volume model has been established to simulate the nonequilibrium transport of
nonuniform sediment with transient flows, such as dam-break flow and overtopping flow …

Performance of finite volume solutions to the shallow water equations with shock‐capturing schemes

KS Erduran, V Kutija… - International journal for …, 2002 - Wiley Online Library
Numerical methods have become well established as tools for solving problems in hydraulic
engineering. In recent years the finite volume method (FVM) with shock capturing …

[HTML][HTML] Numerical solution of the two-dimensional shallow water equations by the application of relaxation methods

AI Delis, T Katsaounis - Applied Mathematical Modelling, 2005 - Elsevier
A generalization and extension of a finite difference method for calculating numerical
solutions of the two dimensional shallow water system of equations is investigated. A …

Performance and comparison of cell-centered and node-centered unstructured finite volume discretizations for shallow water free surface flows

AI Delis, IK Nikolos, M Kazolea - Archives of Computational Methods in …, 2011 - Springer
Finite volume (FV) methods for solving the two-dimensional (2D) nonlinear shallow water
equations (NSWE) with source terms on unstructured, mostly triangular, meshes are known …

Conservative finite-volume forms of the Saint-Venant equations for hydrology and urban drainage

BR Hodges - Hydrology and Earth System Sciences, 2019 - hess.copernicus.org
New integral, finite-volume forms of the Saint-Venant equations for one-dimensional (1-D)
open-channel flow are derived. The new equations are in the flux-gradient conservation …