{"id":47651,"date":"2019-11-05T19:50:04","date_gmt":"2019-11-05T18:50:04","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/qual-e-a-solucao-da-equacao-de-navier-stokes-definicao\/"},"modified":"2020-01-24T12:37:34","modified_gmt":"2020-01-24T11:37:34","slug":"qual-e-a-solucao-da-equacao-de-navier-stokes-definicao","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/pt-br\/qual-e-a-solucao-da-equacao-de-navier-stokes-definicao\/","title":{"rendered":"Qual \u00e9 a Solu\u00e7\u00e3o da Equa\u00e7\u00e3o de Navier-Stokes – Defini\u00e7\u00e3o"},"content":{"rendered":"
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Embora as equa\u00e7\u00f5es de Navier-Stokes possuam apenas um n\u00famero limitado de solu\u00e7\u00f5es anal\u00edticas conhecidas, elas s\u00e3o pass\u00edveis de modelagem computacional em grade.\u00a0Solu\u00e7\u00e3o das equa\u00e7\u00f5es de Navier-Stokes<\/div>\n<\/div>\n
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Solu\u00e7\u00e3o das equa\u00e7\u00f5es de Navier-Stokes<\/h2>\n
\"Din\u00e2mica<\/a>
Simula\u00e7\u00e3o num\u00e9rica de CFD
\nFonte: CFD development group – hzdr.de<\/figcaption><\/figure>\n

Embora as\u00a0equa\u00e7\u00f5es de Navier-Stokes<\/strong>\u00a0possuam apenas um n\u00famero limitado de solu\u00e7\u00f5es anal\u00edticas conhecidas, elas s\u00e3o pass\u00edveis de modelagem computacional em grade.\u00a0A principal ferramenta dispon\u00edvel para sua an\u00e1lise \u00e9 a\u00a0an\u00e1lise CFD<\/strong>\u00a0.\u00a0O CFD \u00e9 um ramo da mec\u00e2nica de fluidos que utiliza an\u00e1lise e algoritmos num\u00e9ricos para resolver e analisar problemas que envolvem fluxos de fluidos turbulentos.\u00a0\u00c9 amplamente aceito que as\u00a0equa\u00e7\u00f5es de Navier-Stokes<\/strong>\u00a0(ou\u00a0equa\u00e7\u00f5es<\/strong>\u00a0simplificadas\u00a0de Navier-Stokes com m\u00e9dia de Reynolds<\/strong>\u00a0) s\u00e3o capazes de exibir solu\u00e7\u00f5es turbulentas, e essas equa\u00e7\u00f5es s\u00e3o a base de praticamente todos os c\u00f3digos CFD.\u00a0Agora \u00e9 poss\u00edvel obter resultados CFD aproximados, mas realistas, para uma ampla variedade de fluxos viscosos bidimensionais e tridimensionais complexos.<\/p>\n

As\u00a0equa\u00e7\u00f5es de Navier-Stokes<\/strong>\u00a0tamb\u00e9m s\u00e3o de grande interesse em um sentido puramente matem\u00e1tico.\u00a0Infelizmente, o car\u00e1ter altamente intermitente e irregular do\u00a0fluxo turbulento<\/strong><\/a>\u00a0complica todas as an\u00e1lises<\/strong>\u00a0.\u00a0Ainda n\u00e3o foi provado que em tr\u00eas dimens\u00f5es sempre existem solu\u00e7\u00f5es ou que, se existem, s\u00e3o suaves.\u00a0De fato, costuma-se dizer que a solu\u00e7\u00e3o geral das equa\u00e7\u00f5es de Navier-Stokes com turbul\u00eancias \u00e9 o\u00a0“\u00faltimo problema n\u00e3o resolvido da f\u00edsica matem\u00e1tica cl\u00e1ssica”.<\/strong><\/p>\n<\/div>\n<\/div>\n

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Este artigo \u00e9 baseado na tradu\u00e7\u00e3o autom\u00e1tica do artigo original em ingl\u00eas. Para mais informa\u00e7\u00f5es, consulte o artigo em ingl\u00eas. Voc\u00ea pode nos ajudar. Se voc\u00ea deseja corrigir a tradu\u00e7\u00e3o, envie-a para: translations@nuclear-power.com ou preencha o formul\u00e1rio de tradu\u00e7\u00e3o on-line. Agradecemos sua ajuda, atualizaremos a tradu\u00e7\u00e3o o mais r\u00e1pido poss\u00edvel. Obrigado.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

Embora as equa\u00e7\u00f5es de Navier-Stokes possuam apenas um n\u00famero limitado de solu\u00e7\u00f5es anal\u00edticas conhecidas, elas s\u00e3o pass\u00edveis de modelagem computacional em grade.\u00a0Solu\u00e7\u00e3o das equa\u00e7\u00f5es de Navier-Stokes Solu\u00e7\u00e3o das equa\u00e7\u00f5es de Navier-Stokes Simula\u00e7\u00e3o num\u00e9rica de CFD Fonte: CFD development group – hzdr.de Embora as\u00a0equa\u00e7\u00f5es de Navier-Stokes\u00a0possuam apenas um n\u00famero limitado de solu\u00e7\u00f5es anal\u00edticas conhecidas, elas s\u00e3o … Ler mais<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[14],"tags":[],"yoast_head":"\nQual \u00e9 a Solu\u00e7\u00e3o da Equa\u00e7\u00e3o de Navier-Stokes - Defini\u00e7\u00e3o<\/title>\n<meta name=\"description\" content=\"Embora as equa\u00e7\u00f5es de Navier-Stokes possuam apenas um n\u00famero limitado de solu\u00e7\u00f5es anal\u00edticas conhecidas, elas s\u00e3o pass\u00edveis de modelagem computacional em grade. 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