{"id":116153,"date":"2018-03-11T10:45:07","date_gmt":"2018-03-11T10:45:07","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/analisis-del-comportamiento-mecanico-de-laminados-cruzados-biestables\/"},"modified":"2018-03-11T10:45:07","modified_gmt":"2018-03-11T10:45:07","slug":"analisis-del-comportamiento-mecanico-de-laminados-cruzados-biestables","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/tecnologia-de-materiales\/analisis-del-comportamiento-mecanico-de-laminados-cruzados-biestables\/","title":{"rendered":"An\u00e1lisis del comportamiento mec\u00e1nico de laminados cruzados biestables"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Mar\u00eda  Asuncion Cantera Lopez De Silanes <\/strong><\/h2>\n<p>En esta tesis se analiza el comportamiento mec\u00e1nico de laminados composites cruzados[0\/90]t incidiendo fundamentalmente en los siguientes aspectos:se propone un m\u00e9todo basado en medidas de desplazamientos para determinar experimentalmente curvaturas de flexi\u00f3n y torsi\u00f3n de origen t\u00e9rmico en laminados rectangulares obtenidos al mecanizar laminados cruzados con un \u00e1ngulo determinado. Se analiza la influencia de la geometr\u00eda en las curvaturas. Se propone un m\u00e9todo para calcular el coeficiente de dilataci\u00f3n transversal usando curvaturas de torsi\u00f3n determinadas experimentalmente en laminados cuadrados [-45\/45]t.Se propone un modelo que ampl\u00eda un modelo anterior incorporando curvaturas no uniformes y considerando una deformaci\u00f3n uniforme en el espesor. Las curvaturas propuestas, llamadas mec\u00e1nicas retienen t\u00e9rminos cuadr\u00e1ticos de pendientes de desplazamientos fuera del plano seg\u00fan consideraciones cinem\u00e1ticas de la deformaci\u00f3n. Se desarrolla una formulaci\u00f3n para evaluar la energ\u00eda el\u00e1stica en esta situaci\u00f3n, compar\u00e1ndose los modelos mediante validaci\u00f3n experimental de desplazamientos fuera del plano y en el plano.Se propone una modelizaci\u00f3n basada en desplazamientos del proceso de snap-through causado por una carga vertical aplicada en el centro, considerando que el laminado cruzado est\u00e1 apoyado en cuatro puntos. Se determina paso a paso la posici\u00f3n de los puntos de contacto en el laminado. Se ensayan laminados de distintas longitudes y luces entre apoyos obteniendo curvas carga-desplazamiento. Se observan posiciones intermedias de equilibrio y la naturaleza multievento. Se realiza una correlaci\u00f3n num\u00e9rico-experimental.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>An\u00e1lisis del comportamiento mec\u00e1nico de laminados cruzados biestables<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 An\u00e1lisis del comportamiento mec\u00e1nico de laminados cruzados biestables <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Mar\u00eda  Asuncion Cantera Lopez De Silanes <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Pa\u00eds vasco\/euskal herriko unibertsitatea<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 18\/07\/2014<\/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>Faustino Mujika Garitano<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: javier Canales abaitua <\/li>\n<li>Antonio Arg\u00ed\u00bcelles amado (vocal)<\/li>\n<li>Jorge Bonhomme gonz\u00e1lez (vocal)<\/li>\n<li>Jes\u00fas alfredo G\u00ed\u00bcemes gordo (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Mar\u00eda Asuncion Cantera Lopez De Silanes En esta tesis se analiza el comportamiento mec\u00e1nico de laminados composites [&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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