Sambrook Smith, G. H.; Hardy, R. J.; Sinha, S.

Numerical model output data on the interaction of flow with a permeable bed and biofilms

The data contains numerical model simulations designed to assess the influence of a) a permeable bed on flow structures above and within the pore spaces of a bed and b) a biofilm streamer on the free flow structure.

For the former the data relates to a novel Computational Fluid Dynamics (CFD) model that is able to simulate flow both in the boundary layer flow and Brinkman layer. This allows simultaneous predictions of surface and subsurface flow in one numerical scheme. The analysis is applied to undertake a numerical sensitivity experiment to assess how bed permeability influences flow over bed forms typically found in river channels e.g. dunes.

For the latter the data simulates flow around biofilm-streamers in the laminar flow regime. Numerical simulations simulate the flapping motion of a single biofilm streamer. The major thrust of the study is to investigate the impact of changing Reynolds number on hydrodynamic characteristics of the ambient flow and the frequency of biofilm oscillation.

Publication date: 2021-03-15

Get the data

This dataset is made available under the terms of the Open Government Licence

Format of the data: DAT

You must cite: Sambrook Smith, G. H.; Hardy, R. J.; Sinha, S. (2021). Numerical model output data on the interaction of flow with a permeable bed and biofilms. NERC Environmental Information Data Centre.




Temporal extent
2014-01-01    to    2017-12-29

Provenance & quality

The numerical data was generated using computational fluid dynamics software. The permeable bed data was created using Phoenics and the biofilm streamer was created using OPENFOAM


Sinha, S., Hardy, R.J., Blois, G., Best, J.L. & Sambrook Smith, G.H. (2017). The influence of bed permeability on the structure of turbulent flow over bedforms: a numerical investigation. Water Resources Research, 53, 3067–3086.

Correspondence/contact details

Professor Greg Sambrook Smith
University of Birmingham
School of Geography, Earth and Environmental Sciences
B15 2TT


Sambrook Smith, G. H.
University of Birmingham
Hardy, R. J.
Durham University
Sinha, S.
University of Leeds

Other contacts

NERC EDS Environmental Information Data Centre
NERC Environmental Information Data Centre

Additional metadata

Topic categories
Environment , Inland Waters
CFD,  computational fluid dynamics,  dunes,  Hydrology hyporheic flow
Natural Environment Research Council Award: NE/K012819/1
Last updated
20 May 2022 10:42