[HTML][HTML] The entropy fix in augmented Riemann solvers in presence of source terms: Application to the shallow water equations

J Mairal, J Murillo, P García-Navarro - Computer Methods in Applied …, 2023 - Elsevier
Extensions to the Roe and HLL method have been previously formulated in order to solve
the Shallow Water equations in the presence of source terms. These were named the …

[HTML][HTML] A vertically non-uniform temperature approach for the friction term computation in depth-averaged viscoplastic lava flows

J Ortega-Moya, S Martínez-Aranda… - Journal of …, 2024 - Elsevier
Recently, depth-averaged shallow flow models have been adapted to modelling liquefied
lava flows, generally characterized by a marked temperature-dependent non-Newtonian …

[HTML][HTML] A GPU-based 2D viscous flow model with variable density and heat exchange

I Echeverribar, S Martínez-Aranda… - … in Engineering Software, 2023 - Elsevier
Numerical simulation of unsteady viscous flow over variable topography under the influence
of temperature changes is a challenge. In order to apply the model to large domains with …

[HTML][HTML] Mixing-phase model for shear-induced contractive/dilative effects in unsteady water-sediment mixture flows

S Martínez-Aranda, J Fernández-Pato… - Advances in Water …, 2024 - Elsevier
Among the geophysical surface processes, mud and debris flows show one of the most
complex and challenging behaviour for scientists and modellers. These flows consist of …

[HTML][HTML] A novel efficient and robust treatment of the friction source term in 2D shallow water inundation models

G Varra, V Pepe, R Della Morte, L Cozzolino - Journal of Hydrology, 2024 - Elsevier
The technological advancements of the last few decades have fostered the use of two-
dimensional (2D) Shallow water Equations (SWE) flood simulations not only in academic …

A fully Eulerian two-layer model for the simulation of oil spills spreading over coastal flows

I Echeverribar, P Brufau, P García-Navarro - Physics of Fluids, 2023 - pubs.aip.org
Nowadays, the vast majority of coastal oil spill simulation models are based on Lagrangian
methods focused on particle tracking algorithms to represent the oil slick fate. In this work, a …

[HTML][HTML] Efficient Simulation Tools (EST) for Sediment-Laden Shallow Flows

S Martínez-Aranda… - Modeling of Sediment …, 2022 - intechopen.com
Rapid flows of water-sediment mixtures are probably the most challenging and unknown
geophysical gravity-driven processes. The fluidized material in motion consists of a mixture …

A Robust Model for the Assessment of Oil Spill Hazards over Land and Water Bodies

P Vallés, S Martínez-Aranda, R García… - 2024 - zaguan.unizar.es
Oil spills over land and water bodies are some of the most relevant hazards that should be
considered when implementing oil production and transport projects. However, the …

Análisis de sensibilidad de modelos de simulación numérica de flujos geofísicos

JL Arcega Royo, P García Navarro, J Fernández Pato - zaguan.unizar.es
Analizar la sensibilidad de un modelo hidráulico distribuido y bidimensional basado en las
ecuaciones de aguas poco profundas frente a variaciones de variables de modelos de …

[PDF][PDF] Análisis de sensibilidad de modelos de simulación numérica de flujos geofísicos

JLA Royo - zaguan.unizar.es
Hoy en día, la potencia de los ordenadores personales permite a la comunidad científica
desarrollar modelos computacionales para realizar simulaciones numéricas complejas. En …