32 resultados para Computer Simulation
Resumo:
El propsito de este Proyecto Fin de Carrera es el estudio acstico y electroacstico de la realizacin del musical Hoy no me puedo levantar en el Teatro Rialto de Madrid en 2005. En primer lugar, se realiza una breve introduccin histrica, citando sus remodelaciones y comentando la situacin actual del recinto. Posteriormente, es analizado el equipo de sonido empleado en el espectculo a partir de cada uno de los distintos controles de sonido: FOH (Front of Hause), monitores y microfona inalmbrica. De cada uno de ellos se explican sus principales funciones y los sistemas que los conforman. Tambin se describe la utilizacin de las cabinas insonorizadas. A continuacin, se detallan los sistemas electroacsticos (empleados en el diseo) de la sonorizacin de dicho musical, que se consideran divididos en las siguientes partes: sistema principal, refuerzos y retardos, efectos y monitores. Adems, se detalla el software RMS (Remote Monitoring System), que aporta informacin del funcionamiento de estos sistemas en tiempo real. Seguidamente, se exponen el equipo, procedimiento y resultados de la medida in situ en el Teatro, aplicando la Norma UNE-EN ISO 3382-2/2008 para obtener el tiempo de reverberacin y ruido de fondo. Con el objeto de inicializar la simulacin por ordenador, primero se exportan los planos originales de AutoCAD a EASE 4.4, donde se finaliza el proceso de modelar el recinto. Posteriormente, se asignan materiales, reas de audiencia, puntos de escucha y se ubican los sistemas electroacsticos. Se afina el tiempo de reverberacin obtenido en la medida in situ mediante materiales de la base de datos del propio software. Tambin se ajustan los sistemas electroacsticos en el recinto para obtener la ecualizacin empleada y los niveles de presin sonora directo y total para distintas frecuencias. Una vez finalizados los pasos anteriores, se procede a realizar estudios psicoacsticos para comprobar posibles ecos y el efecto precedencia (empleando retardos electrnicos o delays). Finalmente, se realizan estudios de inteligibilidad, en los que se justifica la Claridad de Voz (C50) y Claridad Musical (C80); el ndice de inteligibilidad del habla (SII), la Prdida de articulacin de consonantes (Alcons) y el ndice de transmisin del habla (STI). Por ltimo se expone el presupuesto del proyecto y del alquiler del equipo de sonido del musical y se exponen las conclusiones del Proyecto Final de Carrera. ABSTRACT. The purpose of this Final Degree Project is the acoustic and electro-acoustic study of the musical Hoy No Me Puedo Levantar at Teatro Rialto in 2005 (Madrid, Spain). First of all, a brief review of its history is made, quoting its refurbishments and discussing the current situation of this enclosure. Later, the sound equipment of the show is analyzed through every different sound controls: FOH (Front Of House), monitors and wireless microphones. There is also an explanation about their principal functions and systems, as well as a description of the soundproof cabins. Then, the electro-acoustic systems are detailed and divided in the following parts: main system, boosters and delays, effects and monitors. The RMS software (Remote Monitoring System) is described too, since it gives relevant information of the systems operations in real time. Afterwards, equipment, procedures and results of the measurements are exposed, applying the UNE-EN ISO 3382-2/2008 regulation in order to obtain the reverberation time and background noise of the theatre. With the purpose of initialize the computer simulation, original plans are exported from AutoCad to EASE 4.4., where its modeling process is ended. Materials, audience areas, hearing points and electro-acoustic locations are assigned below. At the same time, reverberation time is tuned up using database materials of the software itself. Also, electro-acoustic systems of the enclosure are adjusted to get the equalization and pressure sound levels of the different frequencies. Once previous steps are finished, psycho-acoustic studies are made to check possible echoes and the precedence effect - using electronic delays -. Finally, intelligibility studies are detailed, where the Voice and Musical Clarities are justified: The Speech Intelligibility Index, the Loss of Consonants Articulation and the Talk Transmission Index. This Final Degree Project ends describing the budget and rent of the sound equipment and the final conclusions.
Resumo:
The temperature in a ferromagnetic nanostripe with a notch subject to Joule heating has been studied in detail. We first performed an experimental real-time calibration of the temperature versus time as a 100 ns current pulse was injected into a Permalloy nanostripe. This calibration was repeated for different pulse amplitudes and stripe dimensions and the set of experimental curves were fitted with a computer simulation using the Fourier thermal conduction equation. The best fit of these experimental curves was obtained by including the temperature-dependent behavior of the electrical resistivity of the Permalloy and of the thermal conductivity of thesubstrate(SiO2). Notably, a nonzero interface thermal resistance between the metallic nanostripe and thesubstrate was also necessary to fit the experimental curves. We found this parameter pivotal to understand ourresults and the results from previous works. The higher current density in the notch, together with the interface thermal resistance, allows a considerable increase of the temperature in the notch, creating a large horizontal thermal gradient. This gradient, together with the high temperature in the notch and the larger current density close to the edges of the notch, can be very influential in experiments studying the current assisted domain wall motion.
