{"id":81085,"date":"1999-01-11T00:00:00","date_gmt":"1999-01-11T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/analisis-estructural-de-fluxos-turbulents-amb-xarses-neuronals\/"},"modified":"1999-01-11T00:00:00","modified_gmt":"1999-01-11T00:00:00","slug":"analisis-estructural-de-fluxos-turbulents-amb-xarses-neuronals","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/matematicas\/analisis-estructural-de-fluxos-turbulents-amb-xarses-neuronals\/","title":{"rendered":"An\u00e1lisis estructural de fluxos turbulents amb xarses neuronals"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Joan Manuel Ferre Gine <\/strong><\/h2>\n<p>Se presenta un m\u00e9todo autom\u00e1tico para localizar estructuras coherentes  en un campo de velocidades turbulento. Este campo proviene de seccionar horizontalmente por un plano de flujo turbulento tipo estela obtenido experimentalmente. el m\u00e9todo se ha desarrollado por medio de algoritmo neuronal adaptado de la red fuzzy artmap. Mediante un preproceso de los datos y la modificaci\u00f3n de la regla de aprendizaje de la red se consigue que el sistema alcance el objetivo. Este algoritmo neuronal usa, para obtener los patrones de entrenamiento, un algoritmo determinista cl\u00e1sico que extrae del campo de velocidades algunas de las estructuras, en particular las m\u00e1s coherentes, desde el punto de vista geom\u00e9trico. Transformaciones geom\u00e9tricas del campo de velocidades hacen que el mismo sistema neuronal sea capaz de extraer ocho tipos distintos de estructuras sin necesidad de ser reentrenado. El m\u00e9todo se comporta como un experto humano que identificar\u00e1 estructuras visualmente.  tambi\u00e9n se presenta un sistema para generar un campo de velocidades turbulento. este sistema aprovecha la capacidad de generalizaci\u00f3n de la red fuzzy artmap y es capaz de capturar la din\u00e1mica del campo de velocidades y generar otro campo totalmente an\u00e1logo al experimental. En este sistema, se dota la red base de una salida para que el sistema sea apto para generar nuevos valores. La analog\u00eda entre los dos campos se encuentra tanto en la escala grande de la turbulancia como en la escala disipativa.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>An\u00e1lisis estructural de fluxos turbulents amb xarses neuronals<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 An\u00e1lisis estructural de fluxos turbulents amb xarses neuronals <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Joan Manuel Ferre Gine <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Illes balears<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/11\/1999<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Direcci\u00f3n y tribunal<\/h3>\n<ul>\n<li><strong>Director de la tesis<\/strong>\n<ul>\n<li>Francesc Giralt Prat<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: lloren\u00ed\u00a7 Valverde garcia <\/li>\n<li>Francisco Toledo lobo (vocal)<\/li>\n<li>joan Codina filba (vocal)<\/li>\n<li>enric Monte moreno (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Joan Manuel Ferre Gine Se presenta un m\u00e9todo autom\u00e1tico para localizar estructuras coherentes en un campo de [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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