Surface to sewer flow exchange through circular inlets during urban flood conditions

M Rubinato, S Lee, R Martins… - Journal of …, 2018 - iwaponline.com
Accurately quantifying the capacity of sewer inlets (such as manhole lids and gullies) to
transfer water is important for many hydraulic flood modelling tools. The large range of inlet …

[HTML][HTML] (Multi) wavelet-based Godunov-type simulators of flood inundation: Static versus dynamic adaptivity

G Kesserwani, MK Sharifian - Advances in Water Resources, 2023 - Elsevier
Real-world flood simulators often use first-order finite volume (FV1) solvers of the shallow
water equations with efficiency enhancements exploiting parallelisation on Graphical …

[HTML][HTML] Development of POD-based Reduced Order Models applied to shallow water equations using augmented Riemann solvers

P Solán-Fustero, JL Gracia, A Navas-Montilla… - Computer Methods in …, 2023 - Elsevier
Reduced-order models (ROMs) based on the proper orthogonal decomposition have been
proposed to reduce the computational resources required by the full-order models (FOMs) to …

Multiwavelet-based mesh adaptivity with Discontinuous Galerkin schemes: Exploring 2D shallow water problems

D Caviedes-Voullième, N Gerhard, A Sikstel… - Advances in Water …, 2020 - Elsevier
In Gerhard et al.(2015a) a new class of adaptive Discontinuous Galerkin schemes has been
introduced for shallow water equations, including the particular necessary properties, such …

(Multi) wavelets increase both accuracy and efficiency of standard Godunov-type hydrodynamic models: Robust 2D approaches

G Kesserwani, MK Sharifian - Advances in Water Resources, 2020 - Elsevier
Multiwavelets (MW) enable the compression, analysis and assembly of model data on a
multiresolution grid within Godunov-type solvers based on second-order discontinuous …

Adaptive wavelet methods for Earth systems modelling

NKR Kevlahan - Fluids, 2021 - mdpi.com
This paper reviews how dynamically adaptive wavelet methods can be designed to simulate
atmosphere and ocean dynamics in both flat and spherical geometries. We highlight the …

[HTML][HTML] GPU-parallelisation of Haar wavelet-based grid resolution adaptation for fast finite volume modelling: application to shallow water flows

AA Chowdhury, G Kesserwani, C Rougé… - Journal of …, 2023 - iwaponline.com
Wavelet-based grid resolution adaptation driven by the 'multiresolution analysis'(MRA) of the
Haar wavelet (HW) allows to devise an adaptive first-order finite volume (FV1) model …

[HTML][HTML] (Multi) wavelets increase both accuracy and efficiency of standard Godunov-type hydrodynamic models

G Kesserwani, J Shaw, MK Sharifian, D Bau… - Advances in Water …, 2019 - Elsevier
This paper presents a scaled reformulation of a robust second-order Discontinuous Galerkin
(DG2) solver for the Shallow Water Equations (SWE), with guiding principles on how it can …

Adaptation of flux-based solvers to 2D two-layer shallow flows with variable density including numerical treatment of the loss of hyperbolicity and drying/wetting fronts

J Murillo, S Martinez-Aranda… - Journal of …, 2020 - iwaponline.com
An important feature of the two-layer shallow flow model is that the resulting system of
equations cannot be expressed in conservation-law form. Here, the HLLS and ARoe solvers …

Combining ensemble Kalman filter and multiresolution analysis for efficient assimilation into adaptive mesh models

A Siripatana, L Giraldi, OP Le Maître, OM Knio… - Computational …, 2019 - Springer
A new approach is developed for data assimilation into adaptive mesh models with the
ensemble Kalman filter (EnKF). The EnKF is combined with a wavelet-based multiresolution …