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Listar por palabra clave "Kriging"

Mostrando ítems 1-20 de 22

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Accelerated optimization method for low-embodied energy concrete box-girder bridge design

Penadés-Plà, Vicent; García-Segura, Tatiana; Yepes, V. (Elsevier, 2019)

[EN] Structural optimization is normally carried out by means of conventional heuristic optimization due to the complexity of the structural problems. However, the conventional heuristic optimization still consumes a large ...
An Architecture Offering Mobile Pollution Sensing with High Spatial Resolution

Alvear-Alvear, Óscar; Zamora-Mero, Willian Jesus; Tavares de Araujo Cesariny Calafate, Carlos Miguel; Cano Escribá, Juan Carlos; Manzoni, Pietro (Hindawi Publishing Corporation, 2016)

Mobile sensing is becoming the best option to monitor our environment due to its ease of use, high flexibility, and low price. In this paper, we present a mobile sensing architecture able to monitor different pollutants ...
Análisis espacio-temporal de la humedad del combustible vivo en la Comunidad Valenciana usando métodos estadísticos multivariados

Aguilar Albán, John Henry (Universitat Politècnica de València, 2021-03-30)

[ES] Para que se inicie un fuego es necesario que se produzca una reacción de combustión en la que interviene un combustible, un comburente y una aportación de calor. La disponibilidad de los combustibles y el comportamiento ...
Análisis geoestadístico de la salinidad del suelo en cultivos de la Albufera de València

Santillana Fernández, Daniel (Universitat Politècnica de València, 2019-10-07)

[ES] La salinidad es una de las formas más extendidas de degradación del suelo inducida por actividades humanas. Es una variable ambiental de gran importancia, pudiendo llegar a reducir drásticamente la producción en ...
Análisis regional de frecuencias de las precipitaciones diarias extremas en Navarra. Elaboración de los mapas de cuantiles

López, J.J.; Goñi, M.; San Martín, I.; Erro, J. (Universitat Politècnica de València, 2019-01-30)

[EN] The determination of the law of frequency of precipitations is essential for the design of different hydraulic infrastructures as well as for the analysis and determination of flood areas. The objective of this paper ...
Artificial neural network and Kriging surrogate model for embodied energy optimization of prestressed slab bridges

Yepes-Bellver, Lorena; Brun-Izquierdo, Alejandro; Alcalá-González, Julián; Yepes, V. (MDPI AG, 2024-10)

[EN] The main objective of this study is to assess and contrast the efficacy of distinct spatial prediction methods in a simulation aimed at optimizing the embodied energy during the construction of prestressed slab bridge ...
CO2-Optimization of Post-Tensioned Concrete Slab-Bridge Decks Using Surrogate Modeling

Yepes-Bellver, Lorena; Brun-Izquierdo, Alejandro; Alcalá-González, Julián; Yepes, V. (MDPI AG, 2022-07)

[EN] This paper deals with optimizing embedded carbon dioxide (CO2) emissions using surrogate modeling, whether it is the deck of a post-tensioned cast-in-place concrete slab bridge or any other design structure. The main ...
Diseño óptimo de tableros de puentes losa pretensados aligerados frente a emisiones de CO2 utilizando metamodelos.

Yepes Bellver, Lorena (Universitat Politècnica de València, 2021-01-13)

[ES] La reducción de emisiones de CO2 a la atmósfera constituye un factor relevante en la situación actual mundial respecto al cambio climático. El exceso de este tipo de gas es el principal causante del calentamiento como ...
Elaboración de mapas de contenidos isotópicos de o-18 en la precipitación sobre la Península Ibérica por medio de Técnicas Geoestadísticas

Soto Castro, Hansell (Universitat Politècnica de València, 2017-05-02)

The planning and efficient management of water resources requires an adequate knowledge and understanding of the functioning of hydrological systems, including resource trajectories in systems, the origins of recharge and ...
Embodied Energy Optimization of Prestressed Concrete Road Flyovers by a Two-Phase Kriging Surrogate Model

Yepes-Bellver, Lorena; Brun-Izquierdo, Alejandro; Alcalá-González, Julián; Yepes, V. (MDPI AG, 2023-10)

[EN] This study aims to establish a methodology for optimizing embodied energy while constructing lightened road flyovers. A cross-sectional analysis is conducted to determine design parameters through an exhaustive ...
Estudio del diseño óptimo para el tablero del viaducto situado en el Km. 441 de la A-7 en el T.M de Cocentaina (Alicante). Análisis del tablero

Brun Izquierdo, Alejandro (Universitat Politècnica de València, 2019-01-09)

[EN] In Spain, it is common to solve the upper road steps using prestressed lightweight slab-type panels. Due to the number of structures of this type that are projected, it is of great interest to know how to apply a ...
Estudio del diseño óptimo para el tablero del viaducto situado en el Km. 441 de la A-7 en el T.M de Cocentaina (Alicante). Optimización mediante modelos kriging

Yepes Bellver, Lorena (Universitat Politècnica de València, 2019-01-09)

[EN] In Spain, it is common to solve the upper road steps using prestressed lightweight slab-type panels. Due to the number of structures of this type that are projected, it is of great interest to know how to apply a ...
Life-cycle sustainability design of post-tensioned box-girder bridge obtained by metamodel-assisted optimization and decision-making under uncertainty

Penadés Plà, Vicent (Universitat Politècnica de València, 2021-03-12)

[EN] Currently, there is a trend towards sustainability, especially in developed countries, where the concerns of society about environmental degradation and social problems have increased. Following this trend, the ...
Metamodel-assisted meta-heuristic design optimization of reinforced concrete frame structures considering soil-structure interaction

Negrín-Díaz, Iván Antonio; Kripka, Moacir; Yepes, V. (Elsevier, 2023-10-15)

[EN] It is well known that conventional heuristic optimization is the most common approach to deal with structural optimization problems. However, metamodel-assisted optimization has become a valuable strategy for decreasing ...
Nonlinear prediction based on independent component analysis mixture modelling

Safont Armero, Gonzalo; Salazar Afanador, Addisson; Vergara Domínguez, Luís (Springer Verlag (Germany), 2011)

[EN] This paper presents a new algorithm for nonlinear prediction based on independent component analysis mixture modelling (ICAMM). The data are considered from several mutually-exclusive classes which are generated by ...
Optimización energética de tableros tipo losa pretensados aligerados mediante modelos Kriging.

Brun Izquierdo, Alejandro (Universitat Politècnica de València, 2021-01-13)

[ES] La industria de la construcción pasa por ser una de las mayores consumidoras de recursos naturales. En efecto, la construcción consume alrededor del 40% del total de roca, grava y arena, el 25% de la madera, el 40% ...
Path Loss Predictions in the VHF and UHF Bands Within Urban Environments: Experimental Investigation of Empirical, Heuristics and Geospatial Models

Faruk, Nasir; Popoola, Segun I.; Surajudeen-Bakinde, Nazmat T.; Oloyede, Abdulkarim A.; Abdulkarim, Abubakar; Olawoyin, Lukman A.; Ali, Maaruf; Tavares De Araujo Cesariny Calafate, Carlos Miguel; Atayero, Aderemi A. (Institute of Electrical and Electronics Engineers, 2019-06-26)

[EN] Deep knowledge of how radio waves behave in a practical wireless channel is required for effective planning and deployment of radio access networks in urban environments. Empirical propagation models are popular for ...
Robust decision-making design for sustainable pedestrian concrete bridges

Penadés-Plà, Vicent; Yepes, V.; García-Segura, Tatiana (Elsevier, 2020-04-15)

[EN] In recent years, there is a trend toward the construction of sustainable structures. The goal of sustainability in structures involves several criteria that are normally opposed, leading to a decision-making process. ...
Robust Design Optimization for Low-Cost Concrete Box-Girder Bridge

Penadés-Plà, Vicent; García-Segura, Tatiana; Yepes, V. (MDPI AG, 2020-03)

[EN] The design of a structure is generally carried out according to a deterministic approach. However, all structural problems have associated initial uncertain parameters that can differ from the design value. This becomes ...
Slab Track Optimization Using Metamodels to Improve Rail Construction Sustainability

Martínez Fernández, Pablo; Villalba Sanchis, Ignacio; Insa Franco, Ricardo; Yepes, V. (American Society of Civil Engineers, 2022-07-01)

[EN] Railways are an efficient transportmode, but building and maintaining railway tracks has a significant environmental impact in terms of CO2 emissions and use of raw materials. This is particularly true for slab tracks, ...