{"id":696042,"date":"2024-10-17T16:17:29","date_gmt":"2024-10-17T15:17:29","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=696042"},"modified":"2024-10-17T16:17:29","modified_gmt":"2024-10-17T15:17:29","slug":"mo-hinh-thuy-dong-luc-hoc-trong-ky-thuat-ven-bien","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/mo-hinh-thuy-dong-luc-hoc-trong-ky-thuat-ven-bien\/","title":{"rendered":"M\u00f4 h\u00ecnh th\u1ee7y \u0111\u1ed9ng l\u1ef1c h\u1ecdc trong k\u1ef9 thu\u1eadt ven bi\u1ec3n"},"content":{"rendered":"<p class=\"sidekick\">M\u00f4 h\u00ecnh th\u1ee7y \u0111\u1ed9ng l\u1ef1c h\u1ecdc trong k\u1ef9 thu\u1eadt ven bi\u1ec3n: Kh\u00e1m ph\u00e1 c\u00e1ch s\u1eed d\u1ee5ng m\u00f4 h\u00ecnh \u0111\u1ec3 ph\u00e2n t\u00edch t\u00e1c \u0111\u1ed9ng c\u1ee7a d\u00f2ng ch\u1ea3y v\u00e0 s\u00f3ng n\u01b0\u1edbc \u0111\u1ebfn b\u1edd bi\u1ec3n.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/mo_hinh_thuy_dong_luc_hoc_trong_ky_thuat_ven_bien.png\" alt=\"M\u00f4 h\u00ecnh th\u1ee7y \u0111\u1ed9ng l\u1ef1c h\u1ecdc trong k\u1ef9 thu\u1eadt ven bi\u1ec3n\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>M\u00f4 h\u00ecnh th\u1ee7y \u0111\u1ed9ng l\u1ef1c h\u1ecdc trong k\u1ef9 thu\u1eadt ven bi\u1ec3n<\/h2>\n<p>Trong l\u0129nh v\u1ef1c k\u1ef9 thu\u1eadt ven bi\u1ec3n, m\u00f4 h\u00ecnh th\u1ee7y \u0111\u1ed9ng l\u1ef1c h\u1ecdc l\u00e0 c\u00f4ng c\u1ee5 quan tr\u1ecdng gi\u00fap c\u00e1c k\u1ef9 s\u01b0 v\u00e0 nh\u00e0 nghi\u00ean c\u1ee9u hi\u1ec3u v\u00e0 d\u1ef1 \u0111o\u00e1n c\u00e1c hi\u1ec7n t\u01b0\u1ee3ng th\u1ee7y h\u1ecdc x\u1ea3y ra t\u1ea1i c\u00e1c khu v\u1ef1c ven bi\u1ec3n. C\u00e1c m\u00f4 h\u00ecnh n\u00e0y gi\u00fap c\u1ea3i thi\u1ec7n vi\u1ec7c thi\u1ebft k\u1ebf c\u00e1c c\u00f4ng tr\u00ecnh ven bi\u1ec3n, qu\u1ea3n l\u00fd t\u00e0i nguy\u00ean v\u00e0 b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng bi\u1ec3n.<\/p>\n<h2>T\u1ea7m Quan Tr\u1ecdng c\u1ee7a M\u00f4 H\u00ecnh Th\u1ee7y \u0110\u1ed9ng L\u1ef1c H\u1ecdc<\/h2>\n<p>C\u00e1c m\u00f4 h\u00ecnh th\u1ee7y \u0111\u1ed9ng l\u1ef1c h\u1ecdc \u0111\u00f3ng vai tr\u00f2 thi\u1ebft y\u1ebfu trong k\u1ef9 thu\u1eadt ven bi\u1ec3n v\u1edbi nh\u1eefng \u1ee9ng d\u1ee5ng sau:<\/p>\n<ul>\n<li><strong>D\u1ef1 b\u00e1o s\u00f3ng v\u00e0 d\u00f2ng ch\u1ea3y:<\/strong> Gi\u00fap d\u1ef1 \u0111o\u00e1n s\u1ef1 thay \u0111\u1ed5i c\u1ee7a s\u00f3ng v\u00e0 d\u00f2ng ch\u1ea3y do \u1ea3nh h\u01b0\u1edfng c\u1ee7a th\u1eddi ti\u1ebft v\u00e0 nh\u1eefng hi\u1ec7n t\u01b0\u1ee3ng thi\u00ean nhi\u00ean kh\u00e1c.<\/li>\n<li><strong>Thi\u1ebft k\u1ebf c\u00f4ng tr\u00ecnh ven bi\u1ec3n:<\/strong> \u0110\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c c\u00f4ng tr\u00ecnh nh\u01b0 \u0111\u00ea ch\u1eafn s\u00f3ng, c\u1ea3ng bi\u1ec3n v\u00e0 c\u1ea7u c\u1ea3ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf an to\u00e0n v\u00e0 b\u1ec1n v\u1eefng.<\/li>\n<li><strong>B\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng:<\/strong> Gi\u00fap \u0111\u00e1nh gi\u00e1 t\u00e1c \u0111\u1ed9ng c\u1ee7a c\u00e1c d\u1ef1 \u00e1n c\u00f4ng nghi\u1ec7p v\u00e0 d\u00e2n d\u1ee5ng l\u00ean h\u1ec7 sinh th\u00e1i ven bi\u1ec3n.<\/li>\n<\/ul>\n<h2>C\u00e1c Y\u1ebfu T\u1ed1 C\u01a1 B\u1ea3n Trong M\u00f4 H\u00ecnh Th\u1ee7y \u0110\u1ed9ng L\u1ef1c H\u1ecdc<\/h2>\n<p>M\u00f4 h\u00ecnh th\u1ee7y \u0111\u1ed9ng l\u1ef1c h\u1ecdc trong k\u1ef9 thu\u1eadt ven bi\u1ec3n d\u1ef1a v\u00e0o c\u00e1c y\u1ebfu t\u1ed1 nh\u01b0:<\/p>\n<ol>\n<li><strong>\u0110\u1ed9 s\u00e2u:<\/strong> \u0110\u1ed9 s\u00e2u c\u1ee7a n\u01b0\u1edbc \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn t\u1ed1c \u0111\u1ed9 v\u00e0 h\u01b0\u1edbng d\u00f2ng ch\u1ea3y.<\/li>\n<li><strong>\u0110\u1ed9ng h\u1ecdc c\u1ee7a ch\u1ea5t l\u1ecfng:<\/strong> C\u00e1c m\u00f4 h\u00ecnh n\u00e0y s\u1eed d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh Navier-Stokes \u0111\u1ec3 m\u00f4 t\u1ea3 s\u1ef1 chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a n\u01b0\u1edbc.<\/li>\n<li><strong>Th\u1ee7y tri\u1ec1u v\u00e0 s\u00f3ng:<\/strong> S\u1ef1 t\u01b0\u01a1ng t\u00e1c gi\u1eefa th\u1ee7y tri\u1ec1u, s\u00f3ng bi\u1ec3n, v\u00e0 d\u00f2ng ch\u1ea3y \u0111\u00f2i h\u1ecfi c\u00e1c m\u00f4 h\u00ecnh ph\u1ee9c t\u1ea1p \u0111\u1ec3 m\u00f4 ph\u1ecfng ch\u00ednh x\u00e1c.<\/li>\n<li><strong>\u0110\u1ecba h\u00ecnh:<\/strong> \u0110\u1ecba h\u00ecnh \u0111\u00e1y bi\u1ec3n v\u00e0 b\u1edd bi\u1ec3n \u0111\u00f3ng vai tr\u00f2 quy\u1ebft \u0111\u1ecbnh trong ph\u00e2n t\u00e1n v\u00e0 ph\u1ea3n x\u1ea1 s\u00f3ng.<\/li>\n<\/ol>\n<h2>M\u1ed9t S\u1ed1 Ph\u01b0\u01a1ng Tr\u00ecnh Quan Tr\u1ecdng<\/h2>\n<p>C\u00e1c m\u00f4 h\u00ecnh th\u1ee7y \u0111\u1ed9ng l\u1ef1c h\u1ecdc th\u01b0\u1eddng s\u1eed d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh d\u01b0\u1edbi \u0111\u00e2y:<\/p>\n<ul>\n<li><strong>Ph\u01b0\u01a1ng tr\u00ecnh b\u1ea3o to\u00e0n kh\u1ed1i l\u01b0\u1ee3ng:<\/strong><br \/>\n    \\[<br \/>\n      \\frac{\\partial \\rho}{\\partial t} + \\nabla \\cdot (\\rho \\vec{v}) = 0<br \/>\n    \\]\n  <\/li>\n<li><strong>Ph\u01b0\u01a1ng tr\u00ecnh b\u1ea3o to\u00e0n \u0111\u1ed9ng l\u01b0\u1ee3ng:<\/strong><br \/>\n    \\[<br \/>\n      \\frac{\\partial (\\rho \\vec{v})}{\\partial t} + \\nabla \\cdot (\\rho \\vec{v} \\otimes \\vec{v}) = -\\nabla p + \\rho \\vec{g} + \\nabla \\cdot \\mathbf{\\tau}<br \/>\n    \\]\n  <\/li>\n<\/ul>\n<h2>C\u00e1c C\u00f4ng C\u1ee5 v\u00e0 Ph\u1ea7n M\u1ec1m<\/h2>\n<p>\u0110\u1ec3 ph\u00e1t tri\u1ec3n v\u00e0 \u1ee9ng d\u1ee5ng m\u00f4 h\u00ecnh th\u1ee7y \u0111\u1ed9ng l\u1ef1c h\u1ecdc, c\u00e1c k\u1ef9 s\u01b0 v\u00e0 nh\u00e0 nghi\u00ean c\u1ee9u th\u01b0\u1eddng s\u1eed d\u1ee5ng c\u00e1c ph\u1ea7n m\u1ec1m chuy\u00ean d\u1ee5ng nh\u01b0:<\/p>\n<ul>\n<li><strong>MIKE 21:<\/strong> M\u1ed9t ph\u1ea7n m\u1ec1m m\u00f4 ph\u1ecfng \u0111\u1ed9ng l\u1ef1c h\u1ecdc bi\u1ec3n.<\/li>\n<li><strong>SWAN (Simulating WAves Nearshore):<\/strong> D\u00f9ng \u0111\u1ec3 m\u00f4 ph\u1ecfng s\u00f3ng bi\u1ec3n g\u1ea7n b\u1edd.<\/li>\n<li><strong>Delft3D:<\/strong> C\u00f4ng c\u1ee5 m\u1ea1nh m\u1ebd cho m\u00f4 ph\u1ecfng d\u00f2ng ch\u1ea3y, ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc v\u00e0 c\u00e1c qu\u00e1 tr\u00ecnh \u0111\u1ecba h\u00ecnh trong m\u00f4i tr\u01b0\u1eddng h\u00e0ng h\u1ea3i.<\/li>\n<\/ul>\n<p>Nh\u1eefng c\u00f4ng c\u1ee5 n\u00e0y gi\u00fap c\u00e1c k\u1ef9 s\u01b0 c\u00f3 th\u1ec3 m\u00f4 ph\u1ecfng v\u00e0 ph\u00e2n t\u00edch c\u00e1c hi\u1ec7n t\u01b0\u1ee3ng ph\u1ee9c t\u1ea1p trong m\u00f4i tr\u01b0\u1eddng bi\u1ec3n, t\u1eeb \u0111\u00f3 \u0111\u01b0a ra c\u00e1c gi\u1ea3i ph\u00e1p thi\u1ebft k\u1ebf hi\u1ec7u qu\u1ea3 v\u00e0 an to\u00e0n.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>M\u00f4 h\u00ecnh th\u1ee7y \u0111\u1ed9ng l\u1ef1c h\u1ecdc trong k\u1ef9 thu\u1eadt ven bi\u1ec3n: Kh\u00e1m ph\u00e1 c\u00e1ch s\u1eed d\u1ee5ng m\u00f4 h\u00ecnh \u0111\u1ec3 ph\u00e2n t\u00edch t\u00e1c \u0111\u1ed9ng c\u1ee7a d\u00f2ng ch\u1ea3y v\u00e0 s\u00f3ng n\u01b0\u1edbc \u0111\u1ebfn b\u1edd bi\u1ec3n.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[132],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v15.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>M\u00f4 h\u00ecnh th\u1ee7y \u0111\u1ed9ng l\u1ef1c h\u1ecdc trong k\u1ef9 thu\u1eadt ven bi\u1ec3n<\/title>\n<meta name=\"description\" content=\"M\u00f4 h\u00ecnh th\u1ee7y \u0111\u1ed9ng l\u1ef1c h\u1ecdc trong k\u1ef9 thu\u1eadt ven bi\u1ec3n: Kh\u00e1m ph\u00e1 c\u00e1ch s\u1eed 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