[EN] Automatic interpolation of precipitation maps combining rain gauge and radar data has been done in the past but considering only the data collected at a given time interval. Since radar and rain gauge data are collected ...
Almeida De-Godoy, Vanessa; Zuquette, L.V.; Gómez-Hernández, J. Jaime(Elsevier, 2018-08)
[EN] Hydraulic conductivity (K) heterogeneity is seldom considered in geotechnical practice for the impossibility of sampling the entire area of interest and for the difficulty of accounting for scale effects. Stochastic ...
Chen, Zi(Universitat Politècnica de València, 2021-02-01)
[ES] Como parte de los métodos de asimilacíon de datos, los métodos basados en conjuntos han ganado popularidad en hidrogeología dada su capacidad para manejar grandes cantidades de datos observados simultáneamente. ...
Zhou ., Haiyan(Universitat Politècnica de València, 2011-10-21)
La modelación numérica del flujo de agua subterránea y del transporte de masa se está convirtiendo en un criterio de referencia en la actualidad para la evaluación de recursos hídricos y la protección del medio ambiente. ...
Almeida De-Godoy, Vanessa; Zuquette, L.V.; Gómez-Hernández, J. Jaime(Springer-Verlag, 2019)
[EN] Stochastic upscaling of flow and reactive solute transport in a tropical soil is performed using real data collected in the laboratory. Upscaling of hydraulic conductivity, longitudinal hydrodynamic dispersion, and ...
Secci, Daniele(Universitat Politècnica de València, 2024-07-01)
[ES] Esta investigación contribuye al avance de la modelación sustitutiva como una técnica poderosa en el campo de la simulación computacional que ofrece numerosas ventajas para resolver eficientemente problemas complejos. ...
Gómez-Hernández, J. Jaime(Springer-Verlag, 2022-08)
[EN] The use of spreadsheets for numerical groundwater flow modeling is not a novelty; however, its potential in the classroom has not been emphasized enough. This Teachers Aid provides a step-by-step implementation of a ...
Rodrigo-Ilarri, Javier; Capilla Romá, José Esteban; Gómez-Hernández, J. Jaime(Univerzita Karlova, 2002)
[EN] In order to model the uncertainty about predictions based on groundwater flow and transport models, it is necessary to properly characterize the uncertainty of those parameters that vary spatially, such as porosity, ...
Xu, Teng; Gómez-Hernández, J. Jaime; Zhou, Haiyan; Li, Liangping(Elsevier, 2013-04)
The localized normal-score ensemble Kalman filter (NS-EnKF) coupled with covariance inflation is used to characterize the spatial variability of a channelized bimodal hydraulic conductivity field, for which the only existing ...
Zhou ., Haiyan(Universitat Politècnica de València, 2011-11-29)
Groundwater numerical simulation is a tool nowadays routinely used in water resources evaluation. The accuracy of groundwater flow and transport simulations relies very much on the ability to properly characterize the ...
Li ., Liangping(Universitat Politècnica de València, 2012-01-25)
A new three-dimensional steady-state groundwater-flow forward-simulator with full conductivity tensors using a nineteen-points block-centered finite-difference method is presented. Hydraulic conductivity tensors are defined ...
Li ., Liangping; Zhou ., Haiyan; Gómez-Hernández, J. Jaime(Elsevier Ltd, 2011)
[EN] A methodology for transport upscaling of three-dimensional highly heterogeneous formations is developed and demonstrated. The overall approach requires a prior hydraulic conductivity upscaling using an interblock-centered ...
Li ., Liangping(Universitat Politècnica de València, 2011-10-21)
Dividimos el trabajo en tres bloques:
En el primer bloque, se han revisado las técnicas de escalado que utilizan una media simple, el método laplaciano simple, el laplaciano con piel y el escalado con mallado no uniforme ...
Llerar Meza, Gerónimo(Universitat Politècnica de València, 2009-06-29)
This thesis focuses on solute transport upscaling. Upscaling of solute transport is usually required to obtain computationally efficient numerical models in many field applications such as, remediation of aquifers, ...
Almeida de Godoy, Vanessa(Universitat Politècnica de València, 2018-05-21)
Los modelos numéricos son herramientas fundamentales para realizar predicciones de muchos problemas enfrentados por ingenieros geotécnicos y geoambientales. Sin embargo, para que estos modelos puedan realizar predicciones ...
Fu, Jianlin; Axness, Carl Louis; Gómez-Hernández, J. Jaime(2011)
Upscaling transmissivity near the wellbore is expected to be useful for well performance prediction. This article ascertains the need of upscaling by comparing several numerical schemes and presents an approach to upscale ...
Pérez-Aparicio, José L.; Moreno-Navarro, Pablo; Gómez-Hernández, J. Jaime(Elsevier, 2023-09)
[EN] Thermoelectric materials assembled in Peltier cells are an increasingly widespread option for generating electricity from residual sources and refrigeration, even at the nanoscale. These cells can cool below the nominal ...