Journal
ENVIRONMENTAL MODELLING & SOFTWARE
Volume 143, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.envsoft.2021.105102
Keywords
GPU-CUDA; River modelling; Unstructured grid; Shallow water; Sediment transport; Pollutant transport
Categories
Funding
- Swiss Federal Office for the Environment (FOEN)
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The freeware BASEMENT version 3 is a flexible tool for two-dimensional river simulations, incorporating solvers for hydrodynamic, morphodynamic, and scalar advection-diffusion processes. It leverages different computational platforms to efficiently simulate large domains and long-term river processes, making it a versatile tool for research, engineering practice, and education in river modelling.
Modelling river physical processes is of critical importance for flood protection, river management and resto-ration of riverine environments. Developments in algorithms and computational power have led to a wider spread of river simulation tools. However, the use of two-dimensional models can still be hindered by complexity in the setup and the high computational costs. Here we present the freeware BASEMENT version 3, a flexible tool for two-dimensional river simulations that bundles solvers for hydrodynamic, morphodynamic and scalar advection-diffusion processes. BASEMENT leverages different computational platforms (multi-core CPUs and graphics pro-cessing units GPUs) to enable the simulation of large domains and long-term river processes. The adoption of a fully costless workflow and a light GUI facilitate its broad utilization. We test its robustness and efficiency in a selection of benchmarks. Results confirm that BASEMENT could be an efficient and versatile tool for research, engineering practice and education in river modelling.
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