{"id":41848,"date":"1999-01-01T00:00:00","date_gmt":"1999-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/numerical-model-for-compressible-laminar-and-turbulent-flow\/"},"modified":"1999-01-01T00:00:00","modified_gmt":"1999-01-01T00:00:00","slug":"numerical-model-for-compressible-laminar-and-turbulent-flow","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/fisica\/numerical-model-for-compressible-laminar-and-turbulent-flow\/","title":{"rendered":"Numerical model for compressible laminar and turbulent flow."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Mar\u00eda no V\u00e1zquez <\/strong><\/h2>\n<p>Este trabajo de investigaci\u00f3n se enmarca dentro de la mec\u00e1nica computacional de fluidos. La din\u00e1mica de fluidos esta modelada principalmente por un grupo de ecuaciones diferenciales conocidas como ecuaciones de navier &#8211; stokes. Las soluciones a estas ecuaciones representan distribuciones en espacio y tiempo de las variables que caracterizan el sistema din\u00e1mico en cuesti\u00f3n, como ser presi\u00f3n, velocidad, temperatura, densidad, etc. En la inmensa mayor\u00eda de los casos, las soluciones anal\u00edticas de estas ecuaciones no pueden encontrarse. la simulaci\u00f3n num\u00e9rica de las mismas es entonces el arma m\u00e1s poderosa que se tiene para tratar estos problemas, entre los que se encuentran pr\u00e1cticamente todos los problemas industriales o tecnol\u00f3gicos en este campo que puedan imaginarse. De ah\u00ed la importancia del desarrollo de estos m\u00e9todos.  en la presente tesis, se estudia un algoritmo general, que pueda resolver de la misma forma los dos grandes tipos de problemas de flujo: incompresible y compresible. uno y otro presentan sus propias caracter\u00edsticas f\u00edsicas y desde el punto de vista de las ecuaciones que los modelan, matem\u00e1ticas. En este caso se elige para la discretizaci\u00f3n espacial el m\u00e9todo de los elementos finitos y para la temporal, una discretizaci\u00f3n siguiendo las caracter\u00edsticas. De esta forma, combinando estas t\u00e9cnicas con un esquema de paso fraccionado, se puede resolver el l\u00edmite de incompresibilidad y adem\u00e1s, tener una beneficiosa viscosidad que estabiliza los termios convectivos de las ecuaciones originales. La combinaci\u00f3n de estas t\u00e9cnicas recibe el nombre de algoritmo cbs (characteristic based split).  una vez el algoritmo para el caso laminar esta probado, pasamos al caso turbulento. El modelo elegido es el k-epsilon y el cbs es extendido para incluir las ecuaciones de la energ\u00eda y la disipaci\u00f3n turbulentas. Los problemas de flujo turbulento a tratar son, por tanto, de flujo compresible e incompresible.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Numerical model for compressible laminar and turbulent flow.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Numerical model for compressible laminar and turbulent flow. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Mar\u00eda no V\u00e1zquez <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Polit\u00e9cnica de catalunya<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/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>Ram\u00f3n Codina Rovira<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: eugenio O\u00f1ate ib\u00e1\u00f1ez de navarra <\/li>\n<li>sergio Idelsohn (vocal)<\/li>\n<li>olgierd Cecil zienkiewicz (vocal)<\/li>\n<li>Javier Jimenez (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Mar\u00eda no V\u00e1zquez Este trabajo de investigaci\u00f3n se enmarca dentro de la mec\u00e1nica computacional de fluidos. La [&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 center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"footnotes":""},"categories":[51119,332,199,200,9021,1192,15596],"tags":[15730,105729,105727,105728,52945,15696],"class_list":["post-41848","post","type-post","status-publish","format-standard","hentry","category-aerodinamica","category-ciencias-tecnologicas","category-fisica","category-fisica-de-fluidos","category-ingenieria-y-tecnologia-aeronauticas","category-mecanica-de-fluidos","category-politecnica-de-catalunya","tag-eugenio-onate-ibanez-de-navarra","tag-javier-jimenez","tag-maria-no-vazquez","tag-olgierd-cecil-zienkiewicz","tag-ramon-codina-rovira","tag-sergio-idelsohn"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/41848","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/comments?post=41848"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/41848\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=41848"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=41848"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=41848"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}