{"id":738518,"date":"2024-09-09T04:21:16","date_gmt":"2024-09-09T03:21:16","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=738518"},"modified":"2024-09-09T04:21:16","modified_gmt":"2024-09-09T03:21:16","slug":"%e6%b5%81%e4%bd%93%e5%8a%a8%e5%8a%9b%e5%ad%a6%e7%9a%84%e8%ae%a1%e7%ae%97%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/zh-hans\/%e6%b5%81%e4%bd%93%e5%8a%a8%e5%8a%9b%e5%ad%a6%e7%9a%84%e8%ae%a1%e7%ae%97%e6%96%b9%e6%b3%95\/","title":{"rendered":"\u6d41\u4f53\u52a8\u529b\u5b66\u7684\u8ba1\u7b97\u65b9\u6cd5"},"content":{"rendered":"<p class=\"sidekick\">\u6d41\u4f53\u52a8\u529b\u5b66\u7684\u8ba1\u7b97\u65b9\u6cd5\u63a2\u8ba8\u4e86\u70ed\u529b\u5b66\u4e2d\u6d41\u4f53\u8fd0\u52a8\u548c\u4f20\u70ed\u7684\u6a21\u62df\u6280\u672f\uff0c\u63d0\u4f9b\u4e86\u6570\u503c\u65b9\u6cd5\u548c\u5b9e\u9645\u5e94\u7528\u6848\u4f8b\uff0c\u5e2e\u52a9\u7406\u89e3\u548c\u4f18\u5316\u6d41\u4f53\u7cfb\u7edf\u3002<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/\u6d41\u4f53\u52a8\u529b\u5b66\u7684\u8ba1\u7b97\u65b9\u6cd5.png\" alt=\"\u6d41\u4f53\u52a8\u529b\u5b66\u7684\u8ba1\u7b97\u65b9\u6cd5\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>\u6d41\u4f53\u52a8\u529b\u5b66\u7684\u8ba1\u7b97\u65b9\u6cd5<\/h2>\n<p>\u5728\u70ed\u5de5\u5b66\u4e2d\uff0c\u6d41\u4f53\u52a8\u529b\u5b66\uff08CFD\uff09\u662f\u4e00\u4e2a\u91cd\u8981\u7684\u5206\u652f\uff0c\u7814\u7a76\u6d41\u4f53\uff08\u5982\u7a7a\u6c14\u3001\u6c34\uff09\u7684\u8fd0\u52a8\u89c4\u5f8b\u53ca\u5176\u5bf9\u5468\u56f4\u73af\u5883\u7684\u5f71\u54cd\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u4e00\u4e9b\u6d41\u4f53\u52a8\u529b\u5b66\u7684\u57fa\u672c\u8ba1\u7b97\u65b9\u6cd5\u548c\u6240\u6d89\u53ca\u7684\u5173\u952e\u65b9\u7a0b\u3002<\/p>\n<h2>\u63a7\u5236\u65b9\u7a0b<\/h2>\n<p>\u6d41\u4f53\u52a8\u529b\u5b66\u7684\u8ba1\u7b97\u901a\u5e38\u57fa\u4e8e\u51e0\u4e2a\u57fa\u672c\u7684\u63a7\u5236\u65b9\u7a0b\uff0c\u8fd9\u4e9b\u65b9\u7a0b\u63cf\u8ff0\u4e86\u6d41\u4f53\u7684\u8d28\u91cf\u3001\u52a8\u91cf\u548c\u80fd\u91cf\u5b88\u6052\u3002<\/p>\n<ul>\n<li><b>\u8fde\u7eed\u65b9\u7a0b\uff1a<\/b>\u63cf\u8ff0\u4e86\u8d28\u91cf\u5b88\u6052\u3002\u5bf9\u4e8e\u4e0d\u53ef\u538b\u7f29\u6d41\u4f53\uff0c\u8fde\u7eed\u65b9\u7a0b\u53ef\u4ee5\u8868\u793a\u4e3a\uff1a\n<p>\u2207\u2022u = 0<\/p>\n<p>    \u8fd9\u91cc\uff0cu \u662f\u901f\u5ea6\u573a\u3002<\/li>\n<li><b>\u7eb3\u7ef4-\u65af\u6258\u514b\u65af\u65b9\u7a0b\uff1a<\/b>\u63cf\u8ff0\u4e86\u52a8\u91cf\u5b88\u6052\uff0c\u5f62\u5f0f\u4e3a\uff1a\n<p>\u03c1 ( \\frac{\\partial u}{\\partial t} + u\u2022\u2207u ) = -\u2207p + \u03bc\u2207\u00b2u + F<\/p>\n<p>    \u5176\u4e2d\uff0c\u03c1 \u662f\u6d41\u4f53\u5bc6\u5ea6\uff0cu \u662f\u901f\u5ea6\u573a\uff0cp \u662f\u538b\u529b\uff0c\u03bc \u662f\u9ecf\u5ea6\u7cfb\u6570\uff0cF \u662f\u4f53\u79ef\u529b\u3002<\/li>\n<li><b>\u80fd\u91cf\u65b9\u7a0b\uff1a<\/b>\u63cf\u8ff0\u4e86\u80fd\u91cf\u5b88\u6052\u3002\u5bf9\u4e8e\u4f20\u5bfc\u548c\u5bf9\u6d41\u70ed\u4f20\u5bfc\uff0c\u80fd\u91cf\u65b9\u7a0b\u4e3a\uff1a\n<p>\\frac{\\partial T}{\\partial t} + u\u2022\u2207T = \u03b1\u2207\u00b2T + Q<\/p>\n<p>    \u8fd9\u91cc\uff0cT \u662f\u6e29\u5ea6\uff0c\u03b1 \u662f\u70ed\u6269\u6563\u7387\uff0cQ \u662f\u70ed\u6e90\u9879\u3002<\/li>\n<\/ul>\n<h2>\u6570\u503c\u65b9\u6cd5<\/h2>\n<p>\u4e3a\u4e86\u6c42\u89e3\u8fd9\u4e9b\u63a7\u5236\u65b9\u7a0b\uff0c\u79d1\u5b66\u5bb6\u548c\u5de5\u7a0b\u5e08\u4eec\u5f00\u53d1\u4e86\u5404\u79cd\u6570\u503c\u65b9\u6cd5\u3002\u5e38\u89c1\u7684\u65b9\u6cd5\u6709\uff1a<\/p>\n<ol>\n<li><b>\u6709\u9650\u5dee\u5206\u6cd5\uff08FDM\uff09\uff1a<\/b>\u901a\u8fc7\u5dee\u5206\u8fd1\u4f3c\u6765\u5bf9\u504f\u5fae\u5206\u65b9\u7a0b\u8fdb\u884c\u79bb\u6563\u5316\u3002\u5408\u9002\u4e8e\u7b80\u5355\u7684\u51e0\u4f55\u5f62\u72b6\u548c\u89c4\u5219\u7f51\u683c\u3002<\/li>\n<li><b>\u6709\u9650\u4f53\u79ef\u6cd5\uff08FVM\uff09\uff1a<\/b>\u5c06\u5b88\u6052\u65b9\u7a0b\u79ef\u5206\u4e8e\u6bcf\u4e2a\u63a7\u5236\u4f53\u79ef\u4e0a\uff0c\u7528\u6765\u4fdd\u8bc1\u5b88\u6052\u7279\u6027\u3002\u5e7f\u6cdb\u7528\u4e8e\u5de5\u4e1a\u4e2d\u7684\u590d\u6742\u51e0\u4f55\u5f62\u72b6\u548c\u7f51\u683c\u3002<\/li>\n<li><b>\u6709\u9650\u5143\u6cd5\uff08FEM\uff09\uff1a<\/b>\u901a\u8fc7\u5c06\u533a\u57df\u5206\u5272\u4e3a\u6709\u9650\u4e2a\u5355\u5143\uff0c\u5bf9\u6bcf\u4e2a\u5355\u5143\u4e0a\u7684\u53d8\u91cf\u8fdb\u884c\u8fd1\u4f3c\u3002\u9002\u7528\u4e8e\u590d\u6742\u7684\u51e0\u4f55\u5f62\u72b6\u548c\u8fb9\u754c\u6761\u4ef6\u3002<\/li>\n<\/ol>\n<h2>\u6e4d\u6d41\u6a21\u578b<\/h2>\n<p>\u5927\u90e8\u5206\u5b9e\u9645\u6d41\u52a8\u662f\u6e4d\u6d41\uff0c\u56e0\u6b64\u6e4d\u6d41\u6a21\u578b\u5bf9\u4e8e\u51c6\u786e\u9884\u6d4b\u6d41\u4f53\u884c\u4e3a\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u5e38\u89c1\u7684\u6e4d\u6d41\u6a21\u578b\u6709\uff1a<\/p>\n<ul>\n<li>\u96f7\u8bfa\u5e73\u5747\u7eb3\u7ef4-\u65af\u6258\u514b\u65af\u65b9\u7a0b\uff08RANS\uff09\uff1a\u901a\u8fc7\u65f6\u5747\u5316\u51cf\u5c11\u65b9\u7a0b\u7684\u590d\u6742\u5ea6\u3002<\/li>\n<li>\u5927\u6da1\u6a21\u62df\uff08LES\uff09\uff1a\u901a\u8fc7\u5206\u79bb\u5927\u5c3a\u5ea6\u548c\u5c0f\u5c3a\u5ea6\u6da1\u6d41\u6765\u7b80\u5316\u8ba1\u7b97\u3002<\/li>\n<li>\u76f4\u63a5\u6570\u503c\u6a21\u62df\uff08DNS\uff09\uff1a\u76f4\u63a5\u6c42\u89e3\u6240\u6709\u5c3a\u5ea6\u7684\u6d41\u52a8\uff0c\u8ba1\u7b97\u6210\u672c\u6781\u9ad8\u3002<\/li>\n<\/ul>\n<h2>\u5e94\u7528\u9886\u57df<\/h2>\n<p>\u6d41\u4f53\u52a8\u529b\u5b66\u7684\u8ba1\u7b97\u65b9\u6cd5\u5e7f\u6cdb\u5e94\u7528\u4e8e\u591a\u4e2a\u9886\u57df\uff1a<\/p>\n<ul>\n<li><b>\u822a\u7a7a\u822a\u5929\uff1a<\/b>\u8bbe\u8ba1\u98de\u673a\u548c\u706b\u7bad\u7684\u6c14\u52a8\u529b\u6027\u80fd\u3002<\/li>\n<li><b>\u6c7d\u8f66\u5de5\u7a0b\uff1a<\/b>\u4f18\u5316\u8f66\u8eab\u7684\u7a7a\u6c14\u52a8\u529b\u6027\u80fd\u3002<\/li>\n<li><b>\u73af\u5883\u5de5\u7a0b\uff1a<\/b>\u6a21\u62df\u7a7a\u6c14\u8d28\u91cf\u548c\u6c34\u8d28\u6d41\u52a8\u3002<\/li>\n<li><b>\u80fd\u6e90\u7cfb\u7edf\uff1a<\/b>\u8bbe\u8ba1\u548c\u4f18\u5316\u71c3\u70e7\u5ba4\u3001\u70ed\u4ea4\u6362\u5668\u7b49\u8bbe\u5907\u3002<\/li>\n<\/ul>\n<p>\u901a\u8fc7\u638c\u63e1\u4e0a\u8ff0\u57fa\u672c\u8ba1\u7b97\u65b9\u6cd5\u548c\u76f8\u5173\u77e5\u8bc6\uff0c\u5de5\u7a0b\u5e08\u4eec\u53ef\u4ee5\u66f4\u597d\u5730\u89e3\u51b3\u5404\u7c7b\u590d\u6742\u7684\u6d41\u4f53\u52a8\u529b\u5b66\u95ee\u9898\uff0c\u4ece\u800c\u63a8\u52a8\u79d1\u6280\u7684\u53d1\u5c55\u548c\u5e94\u7528\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6d41\u4f53\u52a8\u529b\u5b66\u7684\u8ba1\u7b97\u65b9\u6cd5\u63a2\u8ba8\u4e86\u70ed\u529b\u5b66\u4e2d\u6d41\u4f53\u8fd0\u52a8\u548c\u4f20\u70ed\u7684\u6a21\u62df\u6280\u672f\uff0c\u63d0\u4f9b\u4e86\u6570\u503c\u65b9\u6cd5\u548c\u5b9e\u9645\u5e94\u7528\u6848\u4f8b\uff0c\u5e2e\u52a9\u7406\u89e3\u548c\u4f18\u5316\u6d41\u4f53\u7cfb\u7edf\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[134],"tags":[],"yoast_head":"<!-- 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