000162994 001__ 162994 000162994 005__ 20251009133841.0 000162994 0247_ $$2doi$$a10.1061/JHEND8.HYENG-14354 000162994 0248_ $$2sideral$$a145500 000162994 037__ $$aART-2026-145500 000162994 041__ $$aeng 000162994 100__ $$aFarina, Gabriele 000162994 245__ $$aModeling Bridges in HEC-RAS 2D: Comparison with Flume Experiments 000162994 260__ $$c2026 000162994 5060_ $$aAccess copy available to the general public$$fUnrestricted 000162994 5203_ $$aA set of experimental measurements with a physical model in a flume, measuring the head loss generated by different bridge geometries in steady and unsteady conditions, is used to test the performance of HEC-RAS 2D in modeling bridge hydraulics, a fundamental component of any flood study. After upscaling the experimental results according to Froude similarity, the numerical tests have explored the effects of the choice of the options offered by the HEC-RAS 2D software with the default value of the parameters and the obtainable improvement when the geometry of the bridges suggested a customized value of parameters. The numerical results show a very good match with the measured water elevation upstream of the bridges for almost all tested cases. The mean absolute percentage error obtained pooling all the steady test cases is less than 5%. 000162994 540__ $$9info:eu-repo/semantics/openAccess$$aAll rights reserved$$uhttp://www.europeana.eu/rights/rr-f/ 000162994 655_4 $$ainfo:eu-repo/semantics/article$$vinfo:eu-repo/semantics/acceptedVersion 000162994 700__ $$aPilotti, Marco 000162994 700__ $$aBonomelli, Riccardo 000162994 700__ $$0(orcid)0000-0003-4673-9073$$aMartínez-Aranda, Sergio$$uUniversidad de Zaragoza 000162994 700__ $$0(orcid)0000-0001-8674-1042$$aGarcía-Navarro, Pilar$$uUniversidad de Zaragoza 000162994 7102_ $$15001$$2600$$aUniversidad de Zaragoza$$bDpto. Ciencia Tecnol.Mater.Fl.$$cÁrea Mecánica de Fluidos 000162994 773__ $$g152, 1 (2026), 14354 [24 pp.]$$pJ. hydraul. eng.$$tJOURNAL OF HYDRAULIC ENGINEERING-ASCE$$x0733-9429 000162994 787__ $$tData from: Numerical modelling of bridges in 2D shallow water flow simulations [Data set]$$whttps://doi.org/10.5281/zenodo.14230033 000162994 8564_ $$s2002182$$uhttps://zaguan.unizar.es/record/162994/files/texto_completo.pdf$$yPostprint 000162994 8564_ $$s861164$$uhttps://zaguan.unizar.es/record/162994/files/texto_completo.jpg?subformat=icon$$xicon$$yPostprint 000162994 909CO $$ooai:zaguan.unizar.es:162994$$particulos$$pdriver 000162994 951__ $$a2025-10-09-13:25:53 000162994 980__ $$aARTICLE