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Browsing by Subject "Compression"

Now showing items 1-20 of 23

A simplified method to predict the ultimate shear stress of reinforcedconcrete membrane elements

Miguel Sosa, Pedro; Navarro-Gregori, Juan; Fernández Prada, Miguel Ángel; Bonet Senach, José Luís (Elsevier, 2013-04)

This paper presents a new simplified verification method to predict the ultimate shear stress and the mode of failure of reinforced concrete membrane elements with orthogonal reinforcement under any combination of normal ...
Bend sensor using fiber bragg gratings to determinate the distance from the sensor to the neutral axis in compression and extension

Berrio Valencia, Luis Humberto; Sales Maicas, Salvador; Barrera Vilar, David (Institute of Electrical and Electronics Engineers (IEEE), 2012-09)

The following paper presents a bend sensor that consists of three Bragg Gratings inside a Standard Fiber Optic for the characterization of the reflected wavelengths with respect to the radius of curvature in conditions of ...
Central core of a rectangular cross section

Guardiola Víllora, Arianna Paola (Universitat Politècnica de València, 2019-06-28)

This document explains the concept of central core for a rectangular cross section and shows how to calculate it. Practical application about how to obtain the central core is presented. A couple of proposed exercises ...
Characterization and Decomposition of the Natural van der Waals SnSb2Te4 under Compression

Sans-Tresserras, Juan Ángel; Vilaplana Cerda, Rosario Isabel; Da Silva, E. Lora; Popescu, Catalin; Cuenca-Gotor, Vanesa Paula; Andrada-Chacón, Adrián; Sánchez-Benitez, Javier; Gomis, O.; Pereira, André L. J.; Rodríguez-Hernández, Plácida; Muñoz, Alfonso; Daisenberger, Dominik; García-Domene, Braulio; Segura, Alfredo; Errandonea, Daniel; Manjón, Francisco-Javier (American Chemical Society, 2020-07-20)

[EN] High pressure X-ray diffraction, Raman scattering, and electrical measurements, together with theoretical calculations, which include the analysis of the topological electron density and electronic localization function, ...
Compression and load balancing for efficient sparse matrix-vector product on multicore processors and graphics processing units

Aliaga, José I.; Anzt, Hartwig; Grützmacher, Thomas; Quintana-Ortí, Enrique S.; Tomás Domínguez, Andrés Enrique (John Wiley & Sons, 2022-06-25)

[EN] We contribute to the optimization of the sparse matrix-vector product by introducing a variant of the coordinate sparse matrix format that balances the workload distribution and compresses both the indexing arrays and ...
Cross-validation in PCA models with the element-wise k-fold (ekf) algorithm: Practical Aspects

Camacho Páez, José; Ferrer Riquelme, Alberto José (Elsevier, 2014-02-15)

This is the second paper of a series devoted to provide theoretical and practical results and new algorithms for the selection of the number of Principal Components (PCs) in Principal Component Analysis (PCA) using ...
Cross-validation in PCA models with the element-wise k-fold (ekf) algorithm: theoretical aspects

Camacho Páez, José; Ferrer Riquelme, Alberto José (Wiley, 2012-07)

[EN] Cross-validation has become one of the principal methods to adjust the meta-parameters in predictive models. Extensions of the cross-validation idea have been proposed to select the number of components in principal ...
Crystal structure of sinhalite MgAlBO4 under high pressure

Santamaría Pérez, David; Errandonea, Daniel; Gomis, O.; Sans Tresserras, Juan Ángel; Pereira, A. L. J.; Manjón Herrera, Francisco Javier; Popescu, Catalin; Rodríguez Hernández, Plácida; Muñoz, Alfonso (American Chemical Society, 2015-03-26)

We report on high-pressure angle-dispersive X-ray diffraction data up to 27 GPa for natural MgAlBO4 sinhalite mineral and ab initio total energy calculations. The experimental bulk modulus of sinhalite is B-0 = 171(3) GPa ...
Effective power saving method by on-chip traffic compression in noc-based embedded systems

Soler Heredia, María (Universitat Politècnica de València, 2014-11-03)

[EN] of components, relying on an efficient on-chip network (network-on-chip; NoC). As the size of the system increases, NoC performance and power consumption become a central issue. In this project, we design compression ...
Estudio comparativo de los hormigones reforzados con fibra de vidrio y con fibra de poliolefina.

Rostra Rodríguez, Sergio (Universitat Politècnica de València, 2021-09-28)

[ES] El objetivo principal de este trabajo es observar cómo influye la incorporación de fibras, en ausencia de barras de acero, en la mejora de la resistencia a compresión y a flexión del hormigón reforzado. En este ...
Estudio de codecs de compresión de audio utilizando diferentes estilos de música

Tortosa Zamora, Rubén (Universitat Politècnica de València, 2014-11-05)

In a few years the music industry has experienced a continuous evolution result of digitization. This process has affected the workflow of the entire industry, creating changes in two levels. On the one hand, digitization ...
Estudio de herramientas para analizar y mejorar la robustez de vídeo codificado con HEVC

Pinzón Niño, David Leonardo (Universitat Politècnica de València, 2017-10-16)

The INTERNATIONAL UNION OF TELECOMUNICTIONS, identified by its Spanish initials UIT, began advanced research to find new ways to compress video, in 2004 VCEG was created to allow UIT to enhance its video compression ...
Estudio de la integración de un electrolizador tipo PEM y un campo solar fotovoltaico para la producción de hidrógeno verde.

Martí Valero, Alexandre (Universitat Politècnica de València, 2022-09-05)

[ES] Los afectos climáticos y ambientales adversos que se están experimentando y se van a experimentar a causa del cambio climático han incrementado los esfuerzos para evitar la emisión de gases de efecto invernadero que ...
Estudio de la técnica de codificación de vídeo HEVC y streaming sobre HTTP usando DASH

González Moreno, Mateo Alberto (Universitat Politècnica de València, 2017-08-28)

En la actualidad, es una realidad innegable el hecho que los contenidos multimedia se se están apoderando de internet a pasos agigantados, las redes sociales y las plataformas de distribución de contenidos en general han ...
Flexural and compressive creep behavior of UHPFRC specimens

Llano-Torre, Aitor; Martí Vargas, José Rocío; Serna Ros, Pedro (Elsevier, 2020-05-30)

[EN] The long term behavior of Ultra High Performance Fiber Reinforced Concrete (UHPFRC) is analyzed in this study. The experimental campaign covered creep in compression and creep in flexure in cracked state. Three types ...
High-pressure crystal structure, lattice vibrations, and band structure of BiSbO4

Errandonea, Daniel; Muñoz, Alfonso; Rodríguez-Hernández, Plácida; Gomis, O.; Achary, S. Nagabhusan; Popescu, Catalin; Patwe, Sadeque J.; Tyagi, Avesh J. (American Chemical Society, 2016-05-16)

The high-pressure crystal structure, lattice-vibrations HP crystal structure, lattice vibrations, and band , and electronic band structure of BiSbO4 were studied by ab initio simulations. We also performed Raman spectroscopy, ...
Influence of spray-glow plug configuration on cold start combustion for high-speed direct injection diesel engines

Pastor Soriano, José Vicente; Bermúdez, Vicente; García Oliver, José María; Ramírez Hernández, José Gustavo (Elsevier, 2011-09)

Glow plugs are currently the most employed solution to promote ignition in light-duty diesel engines during low temperature cold start. Improved knowledge about the mechanisms that control ignition and flame development ...
Influence of the macro and micro-porous structure on the mechanical behavior of poly(L-lactic acid) scaffolds

Acosta Santamaria, V.; Deplaine, Harmony; Mariggio, D.; Villanueva Molines, Ana Rosalía; Garcia Aznar, Jose Manuel; Gómez Ribelles, José Luís; Doblare Castellano, Manuel; Gallego Ferrer, Gloria; Ochoa, I. (Elsevier, 2012-12-01)

The development of macroporous biodegradable polymeric materials with three-dimensional pore structure is an important research field in tissue engineering. Structural scaffolds not only provide the cells with a mechanical ...
Multiple encryption method for improving the security in communications

Barrachina Rico, Sergio (Universitat Politècnica de València, 2022-03-21)

[EN] The frequent use of technology to send and share some personal and confidential data needs to have secure techniques and methods to transmit it securely. For this purpose, the work aims to introduce and describe a ...
Non-linear time-cost trade-off models of activity crashing: Application to construction scheduling and project compression with fast-tracking

Ballesteros-Pérez, Pablo; Elamrousy, Kamel Mohammed; González-Cruz, María-Carmen (Elsevier, 2019-01-31)

[EN] When shortening a project's duration, activity crashing, fast-tracking and substitution are the three most commonly employed compression techniques. Crashing generally involves allocating extra resources to an activity ...