{"id":752120,"date":"2024-12-25T11:01:07","date_gmt":"2024-12-25T10:01:07","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=752120"},"modified":"2024-12-25T11:01:07","modified_gmt":"2024-12-25T10:01:07","slug":"%e8%ae%a1%e7%ae%97%e6%b5%81%e4%bd%93%e5%8a%a8%e5%8a%9b%e5%ad%a6%e5%9f%ba%e7%a1%80","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/zh-hans\/%e8%ae%a1%e7%ae%97%e6%b5%81%e4%bd%93%e5%8a%a8%e5%8a%9b%e5%ad%a6%e5%9f%ba%e7%a1%80\/","title":{"rendered":"\u8ba1\u7b97\u6d41\u4f53\u52a8\u529b\u5b66\u57fa\u7840"},"content":{"rendered":"<p class=\"sidekick\">\u8ba1\u7b97\u6d41\u4f53\u52a8\u529b\u5b66\u57fa\u7840\uff0c\u8bb2\u89e3\u6d41\u4f53\u901a\u8fc7\u8ba1\u7b97\u673a\u6a21\u62df\u5206\u6790\u7684\u57fa\u672c\u539f\u7406\u53ca\u65b9\u6cd5\uff0c\u9002\u7528\u4e8e\u5de5\u7a0b\u70ed\u529b\u5b66\u9886\u57df\uff0c\u63d0\u9ad8\u8bbe\u8ba1\u548c\u6027\u80fd\u4f18\u5316\u6548\u7387\u3002<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/\u8ba1\u7b97\u6d41\u4f53\u52a8\u529b\u5b66\u57fa\u7840.png\" alt=\"\u8ba1\u7b97\u6d41\u4f53\u52a8\u529b\u5b66\u57fa\u7840\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>\u8ba1\u7b97\u6d41\u4f53\u52a8\u529b\u5b66\u57fa\u7840<\/h2>\n<p>\u8ba1\u7b97\u6d41\u4f53\u52a8\u529b\u5b66\uff08Computational Fluid Dynamics\uff0c\u7b80\u79f0CFD\uff09\u662f\u4e00\u95e8\u5229\u7528\u6570\u503c\u7b97\u6cd5\u548c\u8ba1\u7b97\u673a\u6c42\u89e3\u4e0e\u6d41\u4f53\u6d41\u52a8\u3001\u4f20\u70ed\u53ca\u76f8\u5173\u73b0\u8c61\u6709\u5173\u7684\u65b9\u7a0b\u7684\u5b66\u79d1\u3002\u672c\u6587\u5c06\u4ecb\u7ecdCFD\u7684\u57fa\u672c\u539f\u7406\u548c\u5e94\u7528\u3002<\/p>\n<h2>\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>CFD\u7684\u6838\u5fc3\u662f\u5904\u7406\u6d41\u4f53\u7684\u6d41\u52a8\u95ee\u9898\uff0c\u8fd9\u9700\u8981\u89e3\u51b3\u6d41\u4f53\u7684\u57fa\u672c\u63a7\u5236\u65b9\u7a0b\uff1a<strong>\u7eb3\u7ef4-\u65af\u6258\u514b\u65af\u65b9\u7a0b<\/strong>\u3002\u8fd9\u4e9b\u65b9\u7a0b\u8868\u8fbe\u4e86\u8d28\u91cf\u3001\u52a8\u91cf\u548c\u80fd\u91cf\u7684\u5b88\u6052\u5b9a\u5f8b\uff0c\u5728\u4e0d\u540c\u7684\u5750\u6807\u7cfb\u548c\u6761\u4ef6\u4e0b\u53ef\u4ee5\u8868\u793a\u4e3a\uff1a<\/p>\n<ul>\n<li><strong>\u8d28\u91cf\u5b88\u6052:<\/strong> \u4e5f\u79f0\u4e3a<strong>\u8fde\u7eed\u6027\u65b9\u7a0b<\/strong>\u3002\n<pre>&#x2202;\\rho \/ &#x2202;t + &#x2202;(\\rho u_i) \/ &#x2202;x_i = 0<\/pre>\n<\/li>\n<li><strong>\u52a8\u91cf\u5b88\u6052:<\/strong> \u8fd9\u662f\u7531\u725b\u987f\u7b2c\u4e8c\u5b9a\u5f8b\u63a8\u5bfc\u51fa\u7684\u3002\n<pre>&#x2202;(\\rho u_i) \/ &#x2202;t + &#x2202;(\\rho u_iu_j + p\\delta_ij - \\tau_ij) \/ &#x2202;x_i = 0<\/pre>\n<\/li>\n<li><strong>\u80fd\u91cf\u5b88\u6052:<\/strong> \u63cf\u8ff0\u80fd\u91cf\u5728\u6d41\u4f53\u4e2d\u7684\u4f20\u9012\u3002\n<pre>&#x2202;(\\rho E) \/ &#x2202;t + &#x2202;[\\rho u_i(E + p) - q_i] \/ &#x2202;x_i = 0<\/pre>\n<\/li>\n<\/ul>\n<h2>CFD\u7684\u6b65\u9aa4<\/h2>\n<ol>\n<li><strong>\u9884\u5904\u7406:<\/strong> \u5305\u62ec\u5b9a\u4e49\u8ba1\u7b97\u57df\u3001\u751f\u6210\u7f51\u683c\u548c\u8bbe\u5b9a\u8fb9\u754c\u6761\u4ef6\u3002\u7f51\u683c\u7684\u8d28\u91cf\u5bf9\u8ba1\u7b97\u7ed3\u679c\u6709\u91cd\u8981\u5f71\u54cd\u3002<\/li>\n<li><strong>\u6c42\u89e3:<\/strong> \u5229\u7528\u6570\u503c\u65b9\u6cd5\u5bf9\u79bb\u6563\u5316\u540e\u7684\u65b9\u7a0b\u8fdb\u884c\u8fed\u4ee3\u6c42\u89e3\uff0c\u5e38\u7528\u7684\u65b9\u6cd5\u5305\u62ec\u6709\u9650\u5dee\u5206\u6cd5\u3001\u6709\u9650\u4f53\u79ef\u6cd5\u548c\u6709\u9650\u5143\u6cd5\u3002<\/li>\n<li><strong>\u540e\u5904\u7406:<\/strong> \u5bf9\u8ba1\u7b97\u7ed3\u679c\u8fdb\u884c\u53ef\u89c6\u5316\u548c\u5206\u6790\uff0c\u4ee5\u4fbf\u7406\u89e3\u6d41\u4f53\u884c\u4e3a\u548c\u4f18\u5316\u8bbe\u8ba1\u3002<\/li>\n<\/ol>\n<h2>\u5e94\u7528\u9886\u57df<\/h2>\n<p>CFD\u5728\u5404\u4e2a\u5de5\u7a0b\u548c\u79d1\u5b66\u9886\u57df\u6709\u5e7f\u6cdb\u7684\u5e94\u7528\uff0c\u5305\u62ec\u4f46\u4e0d\u9650\u4e8e\uff1a<\/p>\n<ul>\n<li><strong>\u822a\u7a7a\u822a\u5929:<\/strong> \u5206\u6790\u98de\u884c\u5668\u7684\u6c14\u52a8\u6027\u80fd\u548c\u8bbe\u8ba1\u4f18\u5316\u3002<\/li>\n<li><strong>\u6c7d\u8f66\u5de5\u4e1a:<\/strong> 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