130145 20241125101153.0 doi 10.3390/w15183268 sideral 136464 ART-2023-136464 eng Fernández-Pato, Javier Universidad de Zaragoza (orcid)0000-0002-3635-6223 A 2D hydraulic simulation model including dynamic piping and overtopping dambreach 2023 Access copy available to the general public Unrestricted Numerical simulation of unsteady free surface flows using depth averaged equations that consider the presence of initial discontinuities has been often reported for situations dealing with dam break flow. The usual approach is to assume a sudden removal of the gate at the dam location. Additionally, in order to prevent any kind of dam risk in earthen dams, it is very interesting to include the possibility of a progressive dam breach leading to dam overtopping or dam piping so that predictive hydraulic models benefit the global analysis of the water flow. On the other hand, when considering a realistic large domain with complex topography, a fine spatial discretization is mandatory. Hence, the number of grid cells is usually very large and, therefore, it is necessary to use parallelization techniques for the calculation, with the use of Graphic Processing Units (GPU) being one of the most efficient, due to the leveraging of thousands of processors within a single device. The aim of the present work is to describe an efficient GPU-based 2D shallow water flow solver (RiverFlow2D-GPU) supplied with the formulation of internal boundary conditions to represent dynamic dam failure processes. The results obtained indicate that it is able to develop a transient flow analysis taking into account several scenarios. The efficiency of the model is proven in two complex domains, leading to >76× faster simulations compared with the traditional CPU computation. info:eu-repo/grantAgreement/ES/UZ/JIUZ-2022-IAR-03 info:eu-repo/semantics/openAccess by http://creativecommons.org/licenses/by/3.0/es/ 3.0 2023 WATER RESOURCES 40 / 128 = 0.312 2023 Q2 T1 ENVIRONMENTAL SCIENCES 169 / 358 = 0.472 2023 Q2 T2 0.724 2023 Aquatic Science 2023 Q1 Water Science and Technology 2023 Q1 Geography, Planning and Development 2023 Q1 Biochemistry 2023 Q2 5.8 2023 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Martínez-Aranda, Sergio Universidad de Zaragoza (orcid)0000-0003-4673-9073 García-Navarro, Pilar Universidad de Zaragoza (orcid)0000-0001-8674-1042 5001 600 Universidad de Zaragoza Dpto. Ciencia Tecnol.Mater.Fl. Área Mecánica de Fluidos 15, 18 (2023), 3268 [15 pp.] Water (Basel) Water (Switzerland) 2073-4441 4466228 http://zaguan.unizar.es/record/130145/files/texto_completo.pdf Versión publicada 2745219 http://zaguan.unizar.es/record/130145/files/texto_completo.jpg?subformat=icon icon Versión publicada oai:zaguan.unizar.es:130145 articulos driver 2024-11-22-12:08:04 ARTICLE