{"id":1067,"date":"2025-12-07T19:14:35","date_gmt":"2025-12-07T11:14:35","guid":{"rendered":"https:\/\/guagefangzhen.cn\/?p=1067"},"modified":"2025-12-07T19:17:10","modified_gmt":"2025-12-07T11:17:10","slug":"comsol-%e4%b8%ad%e7%9a%84-rans-%e6%b9%8d%e6%b5%81%e6%a8%a1%e5%9e%8b%e5%85%a8%e5%ae%b6%e7%a6%8f","status":"publish","type":"post","link":"https:\/\/guagefangzhen.cn\/?p=1067","title":{"rendered":"COMSOL \u4e2d\u7684 RANS \u6e4d\u6d41\u6a21\u578b\u201c\u5168\u5bb6\u798f\u201d"},"content":{"rendered":"\n

COMSOL \u4e2d\u7684 RANS \u6e4d\u6d41\u6a21\u578b\u201c\u5168\u5bb6\u798f\u201d
\u2014\u2014\u5206\u7c7b\u3001\u7279\u70b9\u4e0e\u9009\u578b\u6307\u5357\uff082025 \u7248\uff09<\/p>\n\n\n\n

\n

\u5982\u679c\u4f60\u53ea\u60f3 3 min \u5185\u628a\u6a21\u578b\u9009\u5bf9\uff0c\u53ef\u76f4\u63a5\u8df3\u5230\u6700\u540e\u201c\u4e00\u5f20\u8868\u603b\u7ed3\u201d\u3002<\/p>\n<\/blockquote>\n\n\n\n

\u4e00\u3001\u4e3a\u4ec0\u4e48 RANS \u4ecd\u662f\u5de5\u4e1a\u4eff\u771f\u7684\u201c\u7b2c\u4e00\u9009\u62e9\u201d<\/h3>\n\n\n\n

\u5728 COMSOL 6.x \u7684 CFD \u6a21\u5757\u91cc\uff0c\u6e4d\u6d41\u5efa\u6a21\u8def\u7ebf\u88ab\u6e05\u6670\u5730\u62c6\u6210 4 \u6761\uff1a<\/p>\n\n\n\n

RANS-EVM\u3001RANS-RSM\u3001LES \u4e0e DES\u3002<\/p>\n\n\n\n

\u540e\u4e24\u79cd\uff08LES\/DES\uff09\u7cbe\u5ea6\u9ad8\uff0c\u4f46\u7f51\u683c\u91cf\u52a8\u8f84\u5343\u4e07\u7ea7\uff0c\u65f6\u95f4\u6b65\u957f\u5fae\u79d2\u7ea7\uff0c\u666e\u901a\u7b14\u8bb0\u672c\u8dd1\u4e0d\u52a8\uff1b\u800c RANS \u7528 PC overnight \u5c31\u80fd\u51fa\u7ed3\u679c\uff0c\u8bef\u5dee\u53c8\u8db3\u4ee5\u6ee1\u8db3 80 % \u7684\u5de5\u7a0b\u9700\u6c42\uff0c\u56e0\u6b64\u201c\u5148 RANS \u518d\u5347\u7ea7\u201d\u6210\u4e3a\u6700\u7ecf\u6d4e\u7684\u7b56\u7565 \u3002<\/p>\n\n\n\n

\u4e8c\u3001COMSOL \u91cc\u5230\u5e95\u6709\u591a\u5c11\u79cd RANS\uff1f<\/h3>\n\n\n\n

\u5b98\u65b9\u6587\u6863\u628a RANS \u5206\u6210\u4e24\u5927\u9635\u8425\uff1a<\/p>\n\n\n\n

    \n
  1. \u6da1\u9ecf\u6a21\u578b\uff08RANS-EVM\uff09\uff1a\u5047\u8bbe\u96f7\u8bfa\u5e94\u529b \u221d \u5e73\u5747\u5e94\u53d8\u7387\uff0c\u7528\u201c\u6e4d\u6d41\u9ecf\u5ea6 \u03bct\u201d\u5c01\u95ed\u65b9\u7a0b\uff1b<\/li>\n\n\n\n
  2. \u96f7\u8bfa\u5e94\u529b\u6a21\u578b\uff08RANS-RSM\uff09\uff1a\u76f4\u63a5\u6c42\u89e3 6 \u4e2a\u5e94\u529b\u5206\u91cf\uff0c\u653e\u5f03\u201c\u5404\u5411\u540c\u6027\u201d\u5047\u8bbe\u3002<\/li>\n<\/ol>\n\n\n\n

    \u4e0b\u9762\u628a COMSOL 6.3 \u76ee\u524d\u5f00\u653e\u7684 11 \u79cd RANS \u6a21\u578b\u6309\u201c\u65b9\u7a0b\u6570\u201d\u6392\u4e2a\u961f\uff0c\u5e76\u7ed9\u51fa\u201c\u4e00\u53e5\u8bdd\u573a\u666f\u201d\u3002<\/p>\n\n\n\n

    #<\/th>\u6a21\u578b<\/th>\u65b9\u7a0b\u6570<\/th>\u58c1\u9762\u5904\u7406<\/th>\u4e00\u53e5\u8bdd\u9002\u7528\u573a\u666f<\/th><\/tr><\/thead>
    1<\/td>Algebraic y+<\/td>0<\/td>\u58c1\u9762\u51fd\u6570<\/td>\u9ad8 Re \u76f4\u7ba1\u3001\u9600\u5185\u6d41\uff0c\u53ea\u6c42\u538b\u964d\u4e0d\u6c42\u7ec6\u8282<\/td><\/tr>
    2<\/td>L-VEL<\/td>0<\/td>\u58c1\u9762\u51fd\u6570<\/td>\u7535\u5b50\u51b7\u5374\u677f\u5185\u901a\u9053\uff0c\u5feb\u901f\u4f30\u7b97\u6e29\u5ea6<\/td><\/tr>
    3<\/td>Spalart-Allmaras<\/td>1<\/td>\u4f4e Re \u53ef\u89e3\u6790<\/td>\u822a\u7a7a\u7ffc\u578b\u3001\u53f6\u8f6e\u673a\u68b0\uff0c\u58c1\u9762\u8fb9\u754c\u5c42\u91cd\u8981<\/td><\/tr>
    4<\/td>Standard k-\u03b5<\/td>2<\/td>\u58c1\u9762\u51fd\u6570<\/td>\u81ea\u7531\u526a\u5207\u6d41\uff1a\u5c04\u6d41\u3001\u6405\u62cc\u69fd\u3001\u901a\u98ce\u7cfb\u7edf<\/td><\/tr>
    5<\/td>Realizable k-\u03b5<\/td>2<\/td>\u58c1\u9762\u51fd\u6570<\/td>\u5f3a\u65cb\u6d41\u3001\u5706\u5c04\u6d41\uff0c\u6291\u5236 k-\u03b5 \u8fc7\u51b2<\/td><\/tr>
    6<\/td>k-\u03c9<\/td>2<\/td>\u4f4e Re \u53ef\u89e3\u6790<\/td>\u5c0f\u5c3a\u5ea6\u56de\u6d41\u3001\u9006\u538b\u68af\u5ea6\uff0c\u6bd4 k-\u03b5 \u66f4\u8d34\u58c1<\/td><\/tr>
    7<\/td>SST (Menter)<\/td>2<\/td>\u81ea\u52a8\u6df7\u5408<\/td>\u5de5\u4e1a\u201c\u4e07\u91d1\u6cb9\u201d\uff1a\u5206\u79bb\u6d41\u3001\u6269\u538b\u5668\u3001\u949d\u4f53\u7ed5\u6d41<\/td><\/tr>
    8<\/td>Low-Re k-\u03b5<\/td>2<\/td>\u9700\u89e3\u6790\u9ecf\u6027\u5b50\u5c42<\/td>\u6362\u70ed\u5668\u7a84\u7f1d\u3001\u7a84\u901a\u9053\uff0c\u7b2c\u4e00\u5c42 y+<1<\/td><\/tr>
    9<\/td>v\u00b2-f<\/td>4<\/td>\u4f4e Re \u53ef\u89e3\u6790<\/td>\u66f2\u9762\u5f3a\u66f2\u7387\u3001\u65cb\u6d41\u71c3\u70e7\u5ba4\uff0c\u7cbe\u5ea6\u9ad8<\/td><\/tr>
    10<\/td>Wilcox R-\u03c9 (RSM)<\/td>7<\/td>\u4f4e Re \u53ef\u89e3\u6790<\/td>\u65cb\u8f6c\u7ba1\u9053\u3001\u65cb\u98ce\u5206\u79bb\u5668\uff0c\u5404\u5411\u5f02\u6027\u660e\u663e<\/td><\/tr>
    11<\/td>SSG\/LRR (RSM)<\/td>7<\/td>\u4f4e Re \u53ef\u89e3\u6790<\/td>\u6da1\u8f6e\u673a\u68b0\u3001\u5f3a\u4e09\u7ef4\u4e8c\u6b21\u6d41\uff0c\u79d1\u7814\u7ea7\u7cbe\u5ea6<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
    \n

    \u6ce8\uff1a7 \u4e2a\u65b9\u7a0b = 6 \u4e2a\u5e94\u529b\u5206\u91cf + 1 \u4e2a\u8017\u6563\u7387\u3002<\/p>\n<\/blockquote>\n\n\n\n

    \u4e09\u3001\u5982\u4f55 3 \u6b65\u9501\u5b9a\u201c\u90a3\u552f\u4e00\u201d\u7684\u6a21\u578b<\/h3>\n\n\n\n
      \n
    1. \u770b\u96f7\u8bfa\u6570 Re < 2000 \u2192 \u76f4\u63a5\u7528\u5c42\u6d41\u63a5\u53e3\uff1b Re > 4000 \u2192 \u8fdb\u5165 RANS \u4e16\u754c \u3002<\/li>\n\n\n\n
    2. \u770b\u201c\u5206\u79bb\/\u9006\u538b\u68af\u5ea6\u201d \u82e5\u5b58\u5728\u660e\u663e\u5206\u79bb\u3001\u6269\u538b\u3001\u949d\u4f53\u5c3e\u6d41 \u2192 \u9996\u9009 SST\uff1b \u82e5\u53ea\u662f\u76f4\u7ba1\u3001\u55b7\u5c04\u53e3 \u2192 Standard k-\u03b5 \u8db3\u591f\u3002<\/li>\n\n\n\n
    3. \u770b\u201c\u58c1\u9762\u662f\u5426\u5173\u952e\u201d \u53ea\u8981\u7b97\u963b\u529b\u3001\u4f20\u70ed\u7cfb\u6570\uff0c\u4e14\u80fd\u627f\u62c5 y+<1 \u7684\u7f51\u683c \u2192 \u9009 Low-Re \u7c7b\uff08SST\u3001v\u00b2-f\u3001Low-Re k-\u03b5\u3001Spalart\uff09\uff1b \u82e5\u53ea\u5173\u5fc3\u6574\u4f53\u538b\u964d \u2192 \u7528\u58c1\u9762\u51fd\u6570\uff08y+\u224830\u2013300\uff09\u5373\u53ef\uff0c\u7f51\u683c\u91cf\u7acb\u964d 3\u00d7\u3002<\/li>\n<\/ol>\n\n\n\n

      \u4e00\u5f20\u6d41\u7a0b\u56fe\u5e2e\u4f60 10 s \u505a\u51b3\u5b9a\uff1a<\/p>\n\n\n\n

      \"\"<\/figure>\n\n\n\n

      \u56db\u3001\u5178\u578b\u6848\u4f8b\u5bf9\u7167<\/h3>\n\n\n\n
      \u5de5\u7a0b\u573a\u666f<\/th>\u63a8\u8350\u6a21\u578b<\/th>\u7406\u7531<\/th><\/tr><\/thead>
      \u529e\u516c\u697c\u98ce\u8f7d<\/td>SST<\/td>\u949d\u4f53\u7ed5\u6d41+\u5206\u79bb\uff0c\u81ea\u52a8\u58c1\u9762\u5904\u7406\u7701\u7f51\u683c<\/td><\/tr>
      \u6838\u53cd\u5e94\u5806\u5382\u623f\u6e29\u5ea6\u573a<\/td>Standard k-\u03b5<\/td>\u5927\u7a7a\u95f4\u3001\u4f4e\u7cbe\u5ea6\u8981\u6c42\uff0c\u5feb\u901f\u51fa\u7a33\u6001<\/td><\/tr>
      \u822a\u7a7a\u7ffc\u578b\u5347\u963b\u529b<\/td>Spalart-Allmaras<\/td>\u822a\u7a7a\u884c\u4e1a\u6807\u6a21\uff0c\u58c1\u9762\u89e3\u6790\u5c42\u8584<\/td><\/tr>
      \u65cb\u98ce\u5206\u79bb\u5668<\/td>Wilcox R-\u03c9 RSM<\/td>\u5f3a\u65cb\u6da1\uff0c\u5404\u5411\u5f02\u6027\u660e\u663e<\/td><\/tr>
      \u7535\u5b50\u51b7\u5374\u5fae\u901a\u9053<\/td>Low-Re k-\u03b5<\/td>\u901a\u9053\u9ad8\u5bbd\u6bd4\u5927\uff0c\u9700\u89e3\u6790\u9ecf\u6027\u5b50\u5c42<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

      \u4e94\u3001\u5bb9\u6613\u8e29\u7684 3 \u4e2a\u5751<\/h3>\n\n\n\n
        \n
      1. \u628a SST \u5f53\u201c\u4e07\u80fd\u94a5\u5319\u201d SST \u5bf9\u7f51\u683c\u957f\u5bbd\u6bd4\u654f\u611f\uff0c\u7b2c\u4e00\u5c42 1 \u03bcm \u6700\u540e\u4e00\u7c73 \u7684\u573a\u666f\u4f1a\u62d6\u57ae\u6536\u655b\uff1b\u5148\u4f30\u7b97 y+ \u518d\u753b\u7f51\u683c\u3002<\/li>\n\n\n\n
      2. \u58c1\u9762\u51fd\u6570 + y+<1 \u58c1\u9762\u51fd\u6570\u8981\u6c42 30<y+<300\uff1b\u628a\u7f51\u683c\u753b\u5f97\u8fc7\u7ec6\u53cd\u800c\u4ea7\u751f\u201c\u8fc7\u89e3\u6790\u201d\u8bef\u5dee\uff0c\u963b\u529b\u7cfb\u6570\u504f\u4f4e 10 % \u4e0d\u662f\u68a6\u3002<\/li>\n\n\n\n
      3. RSM \u4e00\u5b9a\u6bd4 EVM \u51c6\uff1f RSM \u65b9\u7a0b\u591a\u3001\u8026\u5408\u5f3a\uff0c\u521d\u503c\u4e0d\u597d\u4f1a\u201c\u6f02\u201d\u5230\u975e\u7269\u7406\u89e3\uff1b\u5148\u7528 SST \u8dd1\u4e00\u4e2a\u521d\u573a\uff0c\u518d\u6362 RSM \u80fd\u5c11\u6389\u4e00\u534a\u767d\u53d1\u3002<\/li>\n<\/ol>\n\n\n\n

        \u516d\u3001\u4e00\u5f20\u8868\u603b\u7ed3\uff08\u6536\u85cf\u7248\uff09<\/h3>\n\n\n\n
        \u6a21\u578b<\/th>\u8ba1\u7b97\u901f\u5ea6<\/th>\u7cbe\u5ea6<\/th>\u6700\u6613\u51fa\u9519\u70b9<\/th>\u4e00\u53e5\u8bdd\u8bb0\u5fc6<\/th><\/tr><\/thead>
        y+\/L-VEL<\/td>\u2605\u2605\u2605\u2605\u2605<\/td>\u2605\u2606\u2606\u2606\u2606<\/td>\u5ffd\u7565\u5c3e\u6d41<\/td>\u53ea\u6c42\u538b\u964d<\/td><\/tr>
        Spalart<\/td>\u2605\u2605\u2605\u2605\u2606<\/td>\u2605\u2605\u2605\u2606\u2606<\/td>\u526a\u5207\u5c42\u9884\u6d4b\u5f31<\/td>\u822a\u7a7a\u4e13\u7528<\/td><\/tr>
        k-\u03b5<\/td>\u2605\u2605\u2605\u2605\u2606<\/td>\u2605\u2605\u2606\u2606\u2606<\/td>\u8fd1\u58c1\u8bef\u5dee\u5927<\/td>\u81ea\u7531\u526a\u5207<\/td><\/tr>
        SST<\/td>\u2605\u2605\u2605\u2606\u2606<\/td>\u2605\u2605\u2605\u2606\u2606<\/td>\u7f51\u683c\u654f\u611f<\/td>\u5de5\u4e1a\u4e07\u91d1\u6cb9<\/td><\/tr>
        v\u00b2-f<\/td>\u2605\u2605\u2606\u2606\u2606<\/td>\u2605\u2605\u2605\u2605\u2606<\/td>\u6536\u655b\u96be<\/td>\u66f2\u9762\u795e\u5668<\/td><\/tr>
        RSM<\/td>\u2605\u2606\u2606\u2606\u2606<\/td>\u2605\u2605\u2605\u2605\u2606<\/td>\u521d\u503c\u654f\u611f<\/td>\u79d1\u7814\u7ea7<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

        \u4e03\u3001\u5199\u5728\u6700\u540e<\/h3>\n\n\n\n

        COMSOL \u628a\u201c\u6a21\u578b\u9009\u62e9\u201d\u505a\u6210\u4e0b\u62c9\u83dc\u5355\u53ea\u9700\u8981 1 \u79d2\uff0c\u4f46\u80cc\u540e\u7684\u7269\u7406\u5047\u8bbe\u51b3\u5b9a\u4e86\u4f60\u662f\u201c\u4e00\u591c\u51fa\u56fe\u201d\u8fd8\u662f\u201c\u4e00\u5468\u8c03\u53c2\u201d\u3002<\/p>\n\n\n\n

        \u8bb0\u4f4f\uff1a<\/p>\n\n\n\n

        \u201c\u5148\u5224\u96f7\u8bfa\uff0c\u518d\u770b\u5206\u79bb\uff0c\u58c1\u9762\u5173\u952e\u9009\u4f4e Re\uff0c\u53ea\u8981\u8d8b\u52bf\u7528\u51fd\u6570\u3002\u201d<\/strong><\/p>\n\n\n\n

        \u4e0b\u6b21\u518d\u9762\u5bf9 11 \u79cd RANS\uff0c\u4f60\u5c31\u80fd 10 \u79d2\u5185\u70b9\u5230\u201c\u5bf9\u201d\u7684\u90a3\u4e00\u884c\u3002<\/p>\n\n\n\n

        \n

        \u5982\u679c\u8fd8\u6709\u5177\u4f53\u6848\u4f8b\u7ea0\u7ed3\u9009\u578b\uff0c\u6b22\u8fce\u7559\u8a00\uff0c\u628a\u51e0\u4f55+Re+\u5173\u6ce8\u76ee\u6807\u53d1\u7ed9\u6211\uff0c\u4e00\u8d77\u628a\u6a21\u578b\u9501\u6b7b\uff01<\/p>\n<\/blockquote>\n\n\n\n

        \u53c2\u8003\u8d44\u6599<\/strong>
        \u74dc\u54e5\u4eff\u771f\u300a3 min \u901f\u89e3 COMSOL \u4e2d\u6e4d\u6d41\u6a21\u578b\u5206\u7c7b\u300b
        \u72ec\u8bfb123\u300a\u5982\u4f55\u9009\u62e9 COMSOL \u6e4d\u6d41\u6a21\u578b\uff1fRANS\u3001LES\u3001DES \u5bf9\u6bd4\u5206\u6790\u300b
        COMSOL \u5b98\u65b9\u767d\u76ae\u4e66\u300aTurbulent Flow Modeling\u300b<\/em><\/p>\n\n\n\n

        \"\"<\/figure>\n","protected":false},"excerpt":{"rendered":"

        COMSOL \u4e2d\u7684 RANS \u6e4d\u6d41\u6a21\u578b\u201c\u5168\u5bb6\u798f\u201d\u2014\u2014\u5206\u7c7b\u3001\u7279\u70b9\u4e0e\u9009\u578b\u6307\u5357\uff082025 \u7248\uff09 \u5982\u679c\u4f60\u53ea\u60f3 3 mi […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9],"tags":[],"class_list":["post-1067","post","type-post","status-publish","format-standard","hentry","category-comsol"],"_links":{"self":[{"href":"https:\/\/guagefangzhen.cn\/index.php?rest_route=\/wp\/v2\/posts\/1067","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/guagefangzhen.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/guagefangzhen.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/guagefangzhen.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/guagefangzhen.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1067"}],"version-history":[{"count":2,"href":"https:\/\/guagefangzhen.cn\/index.php?rest_route=\/wp\/v2\/posts\/1067\/revisions"}],"predecessor-version":[{"id":1070,"href":"https:\/\/guagefangzhen.cn\/index.php?rest_route=\/wp\/v2\/posts\/1067\/revisions\/1070"}],"wp:attachment":[{"href":"https:\/\/guagefangzhen.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1067"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/guagefangzhen.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1067"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/guagefangzhen.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1067"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}