{"id":74091,"date":"2018-03-09T23:19:02","date_gmt":"2018-03-09T23:19:02","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/optimizacion-multiobjetivo-de-porticos-metalicos-mediante-algoritmos-evolutivos\/"},"modified":"2018-03-09T23:19:02","modified_gmt":"2018-03-09T23:19:02","slug":"optimizacion-multiobjetivo-de-porticos-metalicos-mediante-algoritmos-evolutivos","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/matematicas\/optimizacion-multiobjetivo-de-porticos-metalicos-mediante-algoritmos-evolutivos\/","title":{"rendered":"Optimizaci\u00f3n multiobjetivo de p\u00f3rticos met\u00e1licos mediante algoritmos evolutivos"},"content":{"rendered":"<h2>Tesis doctoral de <strong> David Juan Greiner S\u00e1nchez <\/strong><\/h2>\n<p>En el presente trabajo se ha desarrollado un m\u00e9todo muy eficiente para la optimizaci\u00f3n multicriterio del dise\u00f1o de p\u00f3rticos met\u00e1licos, minimizando simult\u00e1neamente tanto la masa restringida de la estructura como el n\u00famero de distintos tipos de perfiles que conforman la misma. Ambos requisitos responden a criterios econ\u00f3micos de coste material y constructivo, respectivamente.  la metodolog\u00eda de resoluci\u00f3n ha sido en el contexto de los m\u00e9todos evolutivos multicriterio o multiobjetivo (m\u00e9todos estoc\u00e1sticos globales inspirados en mecanismos de la evoluci\u00f3n natural) que permiten optimizar seg\u00fan varios criterios en conflicto y resolver problemas antes vedados a los m\u00e9todos cl\u00e1sicos. Son id\u00f3neos para el problema abordado, que requiere la optimizaci\u00f3n global, discreta y multicriterio.  tras un estudio del estado del arte tanto de los m\u00e9todos de optimizaci\u00f3n multicriterio, especialmente los evolutivos, como de la optimizaci\u00f3n evolutiva estructural, se ha realizado un an\u00e1lisis sobre varios casos test estructurales considerando los algoritmos m\u00e1s eficaces (trece) y distintos aspectos en la optimizaci\u00f3n (codificaci\u00f3n, elitismo, mutaci\u00f3n y estrategia poblacional). este estudio no s\u00f3lo nos permite obtener directrices acerca de una optimizaci\u00f3n eficaz, sino que tambi\u00e9n incluye la propuesta de un nuevo algoritmo muy competitivo con respecto a los comparados. Adem\u00e1s, en relaci\u00f3n con el problema estructural de minimizaci\u00f3n de la masa restringida se realizan dos aportaciones de mejora: la multiobjetivizaci\u00f3n y el operador renacimiento autoadaptativo.  finalmente se resuelven dos problemas de optimizaci\u00f3n multicriterio de inter\u00e9s en la ingenier\u00eda industrial: el dise\u00f1o de sistemas de seguridad (el sistema de contenci\u00f3n por inyecci\u00f3n en spray de una central nuclear de generaci\u00f3n el\u00e9ctrica, contemplando la minimizaci\u00f3n del coste y la minimizaci\u00f3n de la no-disponibilidad) y el despacho de carga en sistemas de producci<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Optimizaci\u00f3n multiobjetivo de p\u00f3rticos met\u00e1licos mediante algoritmos evolutivos<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Optimizaci\u00f3n multiobjetivo de p\u00f3rticos met\u00e1licos mediante algoritmos evolutivos <\/li>\n<li><strong>Autor:<\/strong>\u00a0 David Juan Greiner S\u00e1nchez <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Palmas de gran canaria<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 21\/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>Gabriel Winter Althaus<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal:  Coello coello Carlos artemio <\/li>\n<li>Francisco Herrera triguero (vocal)<\/li>\n<li>jacques Periaux (vocal)<\/li>\n<li>Francisco Chirino godoy (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de David Juan Greiner S\u00e1nchez En el presente trabajo se ha desarrollado un m\u00e9todo muy eficiente para la 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