{"id":401838,"date":"2024-06-28T05:10:17","date_gmt":"2024-06-28T04:10:17","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/%e7%92%b0%e5%a2%83%e5%bd%b1%e9%9f%bf%e8%a9%95%e4%be%a1%e3%81%ae%e3%81%9f%e3%82%81%e3%81%aecfd%e8%a7%a3%e6%9e%90\/"},"modified":"2024-06-28T05:10:17","modified_gmt":"2024-06-28T04:10:17","slug":"%e7%92%b0%e5%a2%83%e5%bd%b1%e9%9f%bf%e8%a9%95%e4%be%a1%e3%81%ae%e3%81%9f%e3%82%81%e3%81%aecfd%e8%a7%a3%e6%9e%90","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/ja\/%e7%92%b0%e5%a2%83%e5%bd%b1%e9%9f%bf%e8%a9%95%e4%be%a1%e3%81%ae%e3%81%9f%e3%82%81%e3%81%aecfd%e8%a7%a3%e6%9e%90\/","title":{"rendered":"\u74b0\u5883\u5f71\u97ff\u8a55\u4fa1\u306e\u305f\u3081\u306eCFD\u89e3\u6790"},"content":{"rendered":"<p class=\"sidekick\">\u74b0\u5883\u5f71\u97ff\u8a55\u4fa1\u306e\u305f\u3081\u306bCFD\u89e3\u6790\u3092\u6d3b\u7528\u3057\u3001\u6d41\u4f53\u306e\u6319\u52d5\u3092\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u3057\u3066\u3001\u71b1\u74b0\u5883\u3084\u5927\u6c17\u6c5a\u67d3\u89e3\u6790\u3001\u98a8\u74b0\u5883\u8a55\u4fa1\u306b\u5f79\u7acb\u3066\u308b\u6280\u8853\u306b\u3064\u3044\u3066\u89e3\u8aac\u3002<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/06\/\u74b0\u5883\u5f71\u97ff\u8a55\u4fa1\u306e\u305f\u3081\u306eCFD\u89e3\u6790.png\" alt=\"\u74b0\u5883\u5f71\u97ff\u8a55\u4fa1\u306e\u305f\u3081\u306eCFD\u89e3\u6790\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>\u74b0\u5883\u5f71\u97ff\u8a55\u4fa1\u306e\u305f\u3081\u306eCFD\u89e3\u6790<\/h2>\n<p>CFD (Computational Fluid Dynamics) \u89e3\u6790\u306f\u3001\u6d41\u4f53\u306e\u6319\u52d5\u3092\u6570\u5024\u7684\u306b\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u3059\u308b\u624b\u6cd5\u3067\u3042\u308a\u3001\u7279\u306b\u71b1\u5de5\u5b66\u306e\u5206\u91ce\u3067\u5e83\u304f\u5229\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u74b0\u5883\u5f71\u97ff\u8a55\u4fa1\u306b\u304a\u3044\u3066\u3082\u3001CFD\u89e3\u6790\u306f\u91cd\u8981\u306a\u6280\u8853\u3068\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2>CFD\u89e3\u6790\u3068\u306f\u4f55\u304b?<\/h2>\n<p>CFD\u89e3\u6790\u306f\u3001\u6d41\u4f53\u306e\u901f\u5ea6\u3001\u5727\u529b\u3001\u6e29\u5ea6\u5206\u5e03\u306a\u3069\u3092\u6570\u5024\u7684\u306b\u4e88\u6e2c\u3059\u308b\u305f\u3081\u306e\u6280\u8853\u3067\u3059\u3002\u3053\u306e\u89e3\u6790\u6280\u8853\u306b\u3088\u308a\u3001\u8907\u96d1\u306a\u6d41\u4f53\u306e\u52d5\u304d\u3092\u30c7\u30b8\u30bf\u30eb\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u3057\u3066\u3001\u3055\u307e\u3056\u307e\u306a\u6761\u4ef6\u4e0b\u3067\u306e\u6319\u52d5\u3092\u4e88\u6e2c\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u6d41\u4f53: \u6db2\u4f53\u3084\u6c17\u4f53\u306e\u3053\u3068\u3002<\/li>\n<li>\u6570\u5024\u7684: \u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u3092\u7528\u3044\u305f\u8a08\u7b97\u3002<\/li>\n<li>\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3: \u5b9f\u969b\u306e\u72b6\u6cc1\u3092\u6a21\u5023\u3057\u305f\u4eee\u60f3\u7684\u306a\u5b9f\u9a13\u3002<\/li>\n<\/ul>\n<h2>\u74b0\u5883\u5f71\u97ff\u8a55\u4fa1\u306b\u304a\u3051\u308b\u5229\u7528<\/h2>\n<p>\u74b0\u5883\u5f71\u97ff\u8a55\u4fa1\u306f\u3001\u65b0\u3057\u3044\u5efa\u7bc9\u7269\u3084\u30a4\u30f3\u30d5\u30e9\u304c\u74b0\u5883\u306b\u4e0e\u3048\u308b\u5f71\u97ff\u3092\u8a55\u4fa1\u3059\u308b\u305f\u3081\u306e\u30d7\u30ed\u30bb\u30b9\u3067\u3059\u3002CFD\u89e3\u6790\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u7528\u9014\u306b\u5229\u7528\u3055\u308c\u3066\u3044\u307e\u3059:<\/p>\n<ol>\n<li><b>\u5927\u6c17\u6c5a\u67d3\u89e3\u6790: <\/b>\u6392\u51fa\u30ac\u30b9\u304c\u7a7a\u6c17\u4e2d\u306b\u3069\u306e\u3088\u3046\u306b\u62e1\u6563\u3057\u3001\u4f4f\u5b85\u5730\u3084\u5b66\u6821\u306b\u3069\u306e\u3088\u3046\u306a\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u304b\u3092\u4e88\u6e2c\u3057\u307e\u3059\u3002<\/li>\n<li><b>\u71b1\u74b0\u5883\u8a55\u4fa1: <\/b>\u90fd\u5e02\u306e\u30d2\u30fc\u30c8\u30a2\u30a4\u30e9\u30f3\u30c9\u73fe\u8c61\u3084\u5efa\u7bc9\u7269\u5468\u8fba\u306e\u71b1\u5206\u5e03\u3092\u30b7\u30df\u30e5\u30ec\u30fc\u30c8\u3057\u3001\u9069\u5207\u306a\u5bfe\u7b56\u3092\u8b1b\u3058\u308b\u305f\u3081\u306e\u30c7\u30fc\u30bf\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/li>\n<li><b>\u98a8\u74b0\u5883\u89e3\u6790: <\/b>\u5efa\u7bc9\u7269\u3084\u98a8\u8eca\u306e\u8a2d\u8a08\u306b\u304a\u3051\u308b\u98a8\u306e\u5f71\u97ff\u3092\u8a55\u4fa1\u3057\u3001\u5b89\u5168\u6027\u3068\u52b9\u7387\u6027\u3092\u9ad8\u3081\u308b\u305f\u3081\u306b\u5229\u7528\u3055\u308c\u307e\u3059\u3002<\/li>\n<\/ol>\n<h2>CFD\u89e3\u6790\u306e\u57fa\u672c\u65b9\u7a0b\u5f0f<\/h2>\n<p>CFD\u89e3\u6790\u306f\u4e3b\u306b\u30ca\u30d3\u30a8\u2013\u30b9\u30c8\u30fc\u30af\u30b9\u65b9\u7a0b\u5f0f\u3092\u7528\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u6d41\u4f53\u306e\u904b\u52d5\u3092\u8a18\u8ff0\u3059\u308b\u504f\u5fae\u5206\u65b9\u7a0b\u5f0f\u3067\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8868\u3055\u308c\u307e\u3059\uff1a<\/p>\n<p>\u904b\u52d5\u91cf\u65b9\u7a0b\u5f0f:<\/p>\n<p>\\[<br \/>\n\\frac{\\partial (\\rho \\mathbf{u})}{\\partial t} + \\nabla \\cdot (\\rho \\mathbf{u} \\mathbf{u}) = -\\nabla p + \\nabla \\cdot (\\mu \\nabla \\mathbf{u}) + \\mathbf{f}<br \/>\n\\]\n<p>\u8cea\u91cf\u4fdd\u5b58\u65b9\u7a0b\u5f0f:<\/p>\n<p>\\[<br \/>\n\\frac{\\partial \\rho}{\\partial t} + \\nabla \\cdot (\\rho \\mathbf{u}) = 0<br \/>\n\\]\n<p>\u3053\u3053\u3067\u3001<i>\\(\\rho\\)<\/i>\u306f\u6d41\u4f53\u306e\u5bc6\u5ea6\u3001<i>\\(\\mathbf{u}\\)<\/i>\u306f\u901f\u5ea6\u30d9\u30af\u30c8\u30eb\u3001<i>\\(p\\)<\/i>\u306f\u5727\u529b\u3001<i>\\(\\mu\\)<\/i>\u306f\u6d41\u4f53\u306e\u7c98\u6027\u4fc2\u6570\u3001<i>\\(\\mathbf{f}\\)<\/i>\u306f\u5916\u529b\u3067\u3059\u3002<\/p>\n<h2>\u307e\u3068\u3081<\/h2>\n<p>CFD\u89e3\u6790\u306f\u3001\u73fe\u4ee3\u306e\u74b0\u5883\u5f71\u97ff\u8a55\u4fa1\u306b\u6b20\u304b\u305b\u306a\u3044\u30c4\u30fc\u30eb\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u6d41\u4f53\u306e\u6319\u52d5\u3092\u8a73\u7d30\u306b\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u3059\u308b\u3053\u3068\u3067\u3001\u74b0\u5883\u3078\u306e\u5f71\u97ff\u3092\u4e8b\u524d\u306b\u8a55\u4fa1\u3057\u3001\u5bfe\u7b56\u3092\u8b1b\u3058\u308b\u3053\u3068\u304c\u53ef\u80fd\u3068\u306a\u308a\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u3088\u308a\u6301\u7d9a\u53ef\u80fd\u3067\u5b89\u5168\u306a\u793e\u4f1a\u306e\u5b9f\u73fe\u306b\u5bc4\u4e0e\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u3088\u3046\u306b\u3001CFD\u89e3\u6790\u306f\u74b0\u5883\u554f\u984c\u306e\u89e3\u6c7a\u306b\u304a\u3044\u3066\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u3066\u304a\u308a\u3001\u672a\u6765\u306e\u6280\u8853\u767a\u5c55\u306b\u3082\u5927\u304d\u306a\u671f\u5f85\u304c\u5bc4\u305b\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u74b0\u5883\u5f71\u97ff\u8a55\u4fa1\u306e\u305f\u3081\u306bCFD\u89e3\u6790\u3092\u6d3b\u7528\u3057\u3001\u6d41\u4f53\u306e\u6319\u52d5\u3092\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u3057\u3066\u3001\u71b1\u74b0\u5883\u3084\u5927\u6c17\u6c5a\u67d3\u89e3\u6790\u3001\u98a8\u74b0\u5883\u8a55\u4fa1\u306b\u5f79\u7acb\u3066\u308b\u6280\u8853\u306b\u3064\u3044\u3066\u89e3\u8aac\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[125],"tags":[],"yoast_head":"<!-- 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