{"id":73846,"date":"2005-05-05T00:00:00","date_gmt":"2005-05-05T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/fenomeno-de-galope-en-obstaculos-de-seccion-no-rectangular\/"},"modified":"2005-05-05T00:00:00","modified_gmt":"2005-05-05T00:00:00","slug":"fenomeno-de-galope-en-obstaculos-de-seccion-no-rectangular","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-tecnologicas\/fenomeno-de-galope-en-obstaculos-de-seccion-no-rectangular\/","title":{"rendered":"Fen\u00f3meno de galope en obst\u00e1culos de secci\u00f3n no rectangular"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Gustavo Alonso Rodrigo <\/strong><\/h2>\n<p>En esta tesis se aborda experimentalmente el estudio de la inestabilidad a galope de cuerpos prism\u00e1ticos de secci\u00f3n triangular, de una manera sistem\u00e1tica, analizando la influencia de los distintos par\u00e1metros que intervienen en la aparici\u00f3n del fen\u00f3meno. Estos par\u00e1metros son la geometr\u00eda de la secci\u00f3n transversal, representada por el \u00e1ngulo b formado por los dos lados iguales del tri\u00e1ngulo is\u00f3sceles, el \u00e1ngulo de ataque de la corriente incidente, a la velocidad de la corriente incidente, uy, y las propiedades mec\u00e1nicas de la estructura;. Masa m, coeficiente de amortiguamiento estructural z, y frecuencia natural.  como resultado se han podido dibujar mapas de estabilidad en el plano (a,b). estos mapas se han obtenido en primer lugar mediante ensayos est\u00e1ticos, definiendo regiones de inestabilidad de acuerdo al criterio cuasi-est\u00e1tico de glauert-den hartog, y despu\u00e9s mediante ensayos din\u00e1micos, comprob\u00e1ndose a partir de qu\u00e9 velocidades comienza la inestabilidad para cada configuraci\u00f3n definida por el par (a,b). Se han encontrado tres regiones de inestabilidad: para \u00e1ngulos de ataque peque\u00f1os (alrededor de a- b\/2 + 5\u00c2\u00ba), para \u00e1ngulos de ataque grandes (a- 180\u00c2\u00ba +- (b\/2 + 5\u00c2\u00ba), y para una zona intermedia (aproximadamente 50\u00c2\u00ba menor a menor 90\u00c2\u00ba). En t\u00e9rminos generales se puede afirmar que las regiones de inestabilidad para un tri\u00e1ngulo dado son las comprendidas entre los \u00e1ngulos de ataque en que la corriente incidente se encuentra alineada con alguno de los lados del tri\u00e1ngulo.  comparando los mapas de estabilidad que se obtienen con los resultados de los ensayos est\u00e1ticos con los obtenidos de los ensayos din\u00e1micos, se comprueba que para los par\u00e1metros empleados el criterio cuasi-est\u00e1tico de glauret-den hartog predice razonablemente bien la inestabilidad a galope en los casos estudiados.  se han realizado adem\u00e1s medidas de las distribuciones de presiones alrededor del cuerpo, para poder explicar la aparici\u00f3n<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Fen\u00f3meno de galope en obst\u00e1culos de secci\u00f3n no rectangular<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Fen\u00f3meno de galope en obst\u00e1culos de secci\u00f3n no rectangular <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Gustavo Alonso Rodrigo <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Polit\u00e9cnica de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 05\/05\/2005<\/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>Jose Meseguer Ruiz<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Miguel angel Astiz suarez <\/li>\n<li>Fernando Zayas hinojosa (vocal)<\/li>\n<li> Sanz Andr\u00e9s angel pedro (vocal)<\/li>\n<li> Gonzalo de grado Jes\u00fas (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Gustavo Alonso Rodrigo En esta tesis se aborda experimentalmente el estudio de la inestabilidad a galope 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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