{"id":84723,"date":"2018-03-10T00:09:03","date_gmt":"2018-03-10T00:09:03","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/dinamica-de-fracturas\/"},"modified":"2018-03-10T00:09:03","modified_gmt":"2018-03-10T00:09:03","slug":"dinamica-de-fracturas","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/matematicas\/dinamica-de-fracturas\/","title":{"rendered":"Dinamica de fracturas"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Gerardo Oleaga <\/strong><\/h2>\n<p>En este trabajo se estudian diversos problemas vinculados a la propagaci\u00f3n de una grieta en un s\u00f3lido el\u00e1stico. En primer lugar se establece una relaci\u00f3n que permite hallar la direcci\u00f3n y la velocidad de propagaci\u00f3n deducida a partir de un principio variacional vinculado al cl\u00e1sico principio de hamilton. La ley obtenida es expresada analiticamente a trav\u00e9s de los llamados \u00abfactores de intensidad de esfuerzos\u00bb en el caso en que el comportamiento del material es lineal.  a continuaci\u00f3n se estudian diversos problemas modelo con objeto de analizar la dependencia de los factores anteriores respecto de la geometria de la trayectoria. Finalmente, se considera el problema consistente en comparar el factor de intensidad de esfuerzos cuando se recorre una trayectoria angulosa de dos formas diferentes. Se concluye entonces que la propiedad de independencia de la historia del movimiento que pose\u00edan las soluciones con trayectorias rectilineas ya no se verifica cuando la grieta abandona la trayectoria recta.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Dinamica de fracturas<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Dinamica de fracturas <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Gerardo Oleaga <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Complutense de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 29\/05\/2000<\/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>Miguel Angel Herrero Garc\u00eda<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal:  Diaz diaz Jes\u00fas ildefonso <\/li>\n<li>Carlos Navarro ugena (vocal)<\/li>\n<li> Lopez bonilla Luis Francisco (vocal)<\/li>\n<li>Miguel Escobedo Martinez (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Gerardo Oleaga En este trabajo se estudian diversos problemas vinculados a la propagaci\u00f3n de una grieta en [&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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