Articles | Volume 14, issue 6
https://doi.org/10.5194/gmd-14-3577-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/gmd-14-3577-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Development and technical paper
| 
11 Jun 2021
Development and technical paper |
| 11 Jun 2021
| 11 Jun 2021
LISFLOOD-FP 8.0: the new discontinuous Galerkin shallow-water solver for multi-core CPUs and GPUs
Department of Civil and Structural Engineering, The University of Sheffield, Western Bank, Sheffield, UK
Georges Kesserwani
CORRESPONDING AUTHOR
Department of Civil and Structural Engineering, The University of Sheffield, Western Bank, Sheffield, UK
Jeffrey Neal
School of Geographical Sciences, University of Bristol, Bristol, UK
Paul Bates
School of Geographical Sciences, University of Bristol, Bristol, UK
Mohammad Kazem Sharifian
Department of Civil and Structural Engineering, The University of Sheffield, Western Bank, Sheffield, UK
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Latest update: 23 Apr 2025
Short summary
LISFLOOD-FP has been extended with new shallow-water solvers – DG2 and FV1 – for modelling all types of slow- or fast-moving waves over any smooth or rough surface. Using GPU parallelisation, FV1 is faster than the simpler ACC solver on grids with millions of elements. The DG2 solver is notably effective on coarse grids where river channels are hard to capture, improving predicted river levels and flood water depths. This marks a new step towards real-world DG2 flood inundation modelling.
LISFLOOD-FP has been extended with new shallow-water solvers – DG2 and FV1 – for modelling all...
