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Listar por palabra clave "Modal analysis"

Mostrando ítems 1-18 de 18

Análisis Eficiente de Cavidades Plano E Mediante BI-RME 2D y Ecuación Integral

Carceller Candau, Carlos (Universitat Politècnica de València, 2013-03-04)

[ES] El trabajo propuesto se centra en el análisis electromagnético preciso y eficiente de cavidades de sección transversal arbitraria en configuración plano E. Combinando el método BI-RME en su versión 2D con la resolución ...
Análisis modal y propiedades de vibración de engranaje planetario helicoidal doble

Rodríguez Jorge, Daniel (Universitat Politècnica de València, 2019-10-03)

[ES] Los engranajes planetarios son usados en un amplio rango de sectores como el automovilísti-co, el de los aerorreactores o el de los aerogeneradores, debido fundamentalmente a su alta densidad de potencia y grado de ...
Diseño de una locomotora de maniobras de nueva generación. Solución 2: capota corta.

Aguilar Darós, Enrique (Universitat Politècnica de València, 2021-01-14)

[ES] El proyecto “Diseño de una locomotora de maniobras de nueva generación. Solución 2: Capota corta”se corresponde con el Trabajo Fin de Máster del Máster Universitario en Ingeniería Mecánica para la Universitat ...
Diseño y análisis de un panel de puerta de automóvil

Ballesta Hernández, Juan Manuel (Universitat Politècnica de València, 2024-10-29)

[ES] El Trabajo de Fin de Máster se enfoca en el análisis de un panel interior de puerta para automóvil. Se introducirá el proyecto contextualizando los paneles de puerta y su evolución. Luego, se escogerá un modelo de ...
Diseño y cálculo de una jaula de fuerza con acople para saco de boxeo

Herreros Arroyo, Roberto (Universitat Politècnica de València, 2024-10-29)

[ES] Este trabajo final de máster se centra en realizar una jaula de fuerza, diseñada para uso doméstico, pero completamente válida para cualquier gimnasio. La diferencia que tiene respecto al resto de jaulas del mercado ...
Efficient Analysis of Substrate Integrated Waveguide Devices Using Hybrid Mode Matching Between Cylindrical and Guided Modes

Díaz Caballero, Elena; Esteban González, Héctor; Belenguer Martínez, Ángel; Boria Esbert, Vicente Enrique (Institute of Electrical and Electronics Engineers (IEEE), 2012-02)

In this paper, a new method to efficiently analyze substrate integrated waveguide (SIW) based devices with multiple accessing ports is presented. The problem is considered as a 2-D electromagnetic problem assuming no field ...
Engineering surface waves in flat phononic plates

Estrada, Héctor; Candelas Valiente, Pilar; Belmar Ibáñez, Francisco; Uris Martínez, Antonio; García de Abajo, F. Javier; Meseguer Rico, Francisco Javier (American Physical Society, 2012-05-01)

Surface acoustic-wave phenomena span a wide range of length scales going from the devastation of earthquakes down to image reconstruction of buried nanostructures. In solid-fluid systems, the so-called Scholte-Stoneley ...
Flexible Piezoelectric Drop-On-Demand Droplet Generation

Riefler, Norbert; Wriedt, Thomas; Fritsching, Udo (Editorial Universitat Politècnica de València, 2017-07-28)

[EN] The size of droplets generated by piezoelectric drop-on-demand (DOD) droplet generators can be varied to a certain degree within one order of magnitude. This variation means that the droplet size is not solely ...
Full-wave characterization of bi-dimensional cavities and its application to the design of waveguide filters and multiplexers

Carceller Candau, Carlos (Universitat Politècnica de València, 2016-05-16)

[EN] Modern communications systems impose stringent requirements on the equipment that operates at microwave frequency, especially in the case of wireless communications. The design of passive components for these applications ...
Hybrid Technique Plus Fast Frequency Sweep for the Efficient and Accurate Analysis of Substrate Integrated Waveguide Devices

Belenguer Martínez, Ángel; Esteban González, Héctor; Díaz Caballero, Elena; Bachiller Martin, Maria Carmen; Cascón López, Joaquín; Boria Esbert, Vicente Enrique (Institute of Electrical and Electronics Engineers (IEEE), 2011-03)

In this paper, we adapt a novel mode-matching and method-of-moments hybrid technique to efficiently analyze substrate integrated waveguide (SIW) based devices. The hybrid technique is formulated in terms of a single ...
Improved computation of propagation losses in waveguide structures using perturbation of boundary conditions

Marini, Stephan; Mattes, Michael; Gimeno Martinez, Benito; Boria Esbert, Vicente Enrique (Institute of Electrical and Electronics Engineers (IEEE), 2011-11)

In this letter, a method for the improved consideration of propagation losses in metallic waveguide structures is presented. The method relies on the perturbation of the boundary conditions on the metallic walls of the ...
Multimodal Characterization of the Multipactor Effect in Microwave Waveguide Components

Jimenez, Manuel; Gimeno Martinez, Benito; Raboso García-Baquero, David; Anza Hormigo, Sergio; Alvarez Melcon, Alejandro; Quesada Pereira, Fernando Daniel; Boria Esbert, Vicente Enrique; Vicente Quiles, Carlos Pascual; Gil Raga, Jordi (Institute of Electrical and Electronics Engineers (IEEE), 2012-02)

Multipactor effect is a resonant avalanche of secondary electrons induced by an RF electromagnetic field, which endangers high-power payloads on satellites and particle accelerator structures. The main goal of this letter ...
Multimodal planar monopole filtenna for 5G applications

Ribó, Miquel; Cabedo Fabres, Marta; Pradell, Lluís; Blanch, Sebastián; Ferrando Bataller, Miguel (Elsevier, 2024-06)

[EN] This paper presents a novel planar filtering antenna (filtenna) with simple layout based on tightly -coupled different -length monopoles. Its design methodology is based on an even-mode/odd-mode decomposition of the ...
New laboratory procedure using a modal approach to obtain vibration attenuation properties of unaged and aged asphalt mixtures

Real Herraiz, Teresa Pilar; Montalbán Domingo, María Laura; Masanet Sendra, Claudio; Real Herráiz, Julia Irene (SAGE Publications, 2016-04)

[EN] During asphalt mixture service life, its structural and physical capabilities deteriorate progressively. A modal analysis using impact hammer excitation technique is put forward to measure the damping factor instead ...
Optimización de la estructura de cabina de una locomotora de maniobras para mejorar el comportamiento modal y la fatiga

Ballate Martínez, Isidro (Universitat Politècnica de València, 2020-07-31)

[ES] El proyecto se basa en una optimización estructural. Partiendo de un diseño inicial de cabina, sobre el cual se realiza un análisis modal y se estudiará su comportamiento a fatiga. En función de los resultados obtenidos ...
Robust acoustic source localization based on modal beamforming and time-frequency processing using circular microphone arrays

Torres Aranda, Ana María; Cobos Serrano, Máximo; Pueo Ortega, Basilio; López Monfort, José Javier (Acoustical Society of America, 2012-09)

Uniform circular array processing has been shown to be a very useful tool for broadband acoustic source localization over 360 degrees. Specifically, beamforming methods based on circular harmonics have attracted a lot of ...
Robust estimation of axial loads sustained by tie-rods in historical structures using Artificial Neural Networks

Makoond, Nirvan Chandra; Pelà, Luca; Molins, Climent (SAGE Publications, 2023-07)

[EN] Widely used simplified analytical methods for estimating the tensile force in tie-rods are clearly not applicable when they contain significant discontinuities or irregularities. A common example for which this fact ...
Stability analysis of polynomial fuzzy models via polynomial fuzzy Lyapunov functions

Bernal Reza, Miguel Ángel; Sala, Antonio; Jaadari, Abdelhafidh; Guerra, Thierry-Marie (Elsevier, 2011-12-15)

In this paper, the stability of continuous-time polynomial fuzzy models by means of a polynomial generalization of fuzzy Lyapunov functions is studied. Fuzzy Lyapunov functions have been fruitfully used in the literature ...