{"id":51750,"date":"2025-08-11T06:29:15","date_gmt":"2025-08-10T22:29:15","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/51750.html"},"modified":"2025-08-11T06:29:15","modified_gmt":"2025-08-10T22:29:15","slug":"%e6%b5%81%e4%bd%93%e5%8a%a8%e5%8a%9b%e5%ad%a6%e4%bb%bf%e7%9c%9f%e8%bd%af%e4%bb%b6%ef%bc%9afluent_%ef%bc%8811%ef%bc%89-%e5%8c%96%e5%ad%a6%e5%8f%8d%e5%ba%94%e6%a8%a1%e5%9e%8b","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/51750.html","title":{"rendered":"\u6d41\u4f53\u52a8\u529b\u5b66\u4eff\u771f\u8f6f\u4ef6\uff1aFluent_\uff0811\uff09.\u5316\u5b66\u53cd\u5e94\u6a21\u578b"},"content":{"rendered":"<h3>\u5316\u5b66\u53cd\u5e94\u6a21\u578b<\/h3>\n<p>\u5728\u6d41\u4f53\u52a8\u529b\u5b66\u4eff\u771f\u8f6f\u4ef6Fluent\u4e2d&#xff0c;\u5316\u5b66\u53cd\u5e94\u6a21\u578b\u662f\u7528\u4e8e\u6a21\u62df\u5316\u5b66\u53cd\u5e94\u8fc7\u7a0b\u7684\u91cd\u8981\u5de5\u5177\u3002\u8fd9\u4e9b\u6a21\u578b\u53ef\u4ee5\u5e2e\u52a9\u7528\u6237\u7406\u89e3\u548c\u9884\u6d4b\u53cd\u5e94\u5668\u5185\u7684\u5316\u5b66\u53cd\u5e94\u52a8\u529b\u5b66\u3001\u71c3\u70e7\u8fc7\u7a0b\u3001\u6c61\u67d3\u7269\u751f\u6210\u7b49\u590d\u6742\u73b0\u8c61\u3002\u672c\u8282\u5c06\u8be6\u7ec6\u4ecb\u7ecdFluent\u4e2d\u7684\u5316\u5b66\u53cd\u5e94\u6a21\u578b&#xff0c;\u5305\u62ec\u5176\u57fa\u672c\u539f\u7406\u3001\u8bbe\u7f6e\u65b9\u6cd5\u4ee5\u53ca\u5177\u4f53\u7684\u7f16\u7a0b\u793a\u4f8b\u3002<\/p>\n<h4>1. \u5316\u5b66\u53cd\u5e94\u6a21\u578b\u7684\u57fa\u672c\u539f\u7406<\/h4>\n<p>Fluent\u4e2d\u7684\u5316\u5b66\u53cd\u5e94\u6a21\u578b\u57fa\u4e8e\u5316\u5b66\u52a8\u529b\u5b66\u7684\u57fa\u672c\u7406\u8bba&#xff0c;\u901a\u8fc7\u6c42\u89e3\u53cd\u5e94\u7269\u548c\u751f\u6210\u7269\u7684\u6d53\u5ea6\u53d8\u5316\u6765\u6a21\u62df\u5316\u5b66\u53cd\u5e94\u8fc7\u7a0b\u3002\u5316\u5b66\u53cd\u5e94\u53ef\u4ee5\u5206\u4e3a\u5355\u76f8\u53cd\u5e94\u548c\u591a\u76f8\u53cd\u5e94&#xff0c;\u5355\u76f8\u53cd\u5e94\u901a\u5e38\u53d1\u751f\u5728\u6c14\u76f8\u6216\u6db2\u76f8\u4e2d&#xff0c;\u800c\u591a\u76f8\u53cd\u5e94\u5219\u6d89\u53ca\u56fa\u76f8\u3001\u6db2\u76f8\u548c\u6c14\u76f8\u4e4b\u95f4\u7684\u76f8\u4e92\u4f5c\u7528\u3002Fluent\u63d0\u4f9b\u4e86\u591a\u79cd\u5316\u5b66\u53cd\u5e94\u6a21\u578b&#xff0c;\u5305\u62ec&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u9884\u6df7\u71c3\u70e7\u6a21\u578b&#xff08;Premixed Combustion Model&#xff09;&#xff1a;\u9002\u7528\u4e8e\u9884\u6df7\u6c14\u4f53\u71c3\u70e7&#xff0c;\u901a\u8fc7\u6c42\u89e3\u53cd\u5e94\u8fdb\u5ea6\u65b9\u7a0b\u6765\u6a21\u62df\u71c3\u70e7\u8fc7\u7a0b\u3002<\/p>\n<\/li>\n<li>\n<p>\u975e\u9884\u6df7\u71c3\u70e7\u6a21\u578b&#xff08;Non-Premixed Combustion Model&#xff09;&#xff1a;\u9002\u7528\u4e8e\u975e\u9884\u6df7\u6c14\u4f53\u71c3\u70e7&#xff0c;\u901a\u8fc7\u6c42\u89e3\u6df7\u5408\u5206\u6570\u65b9\u7a0b\u6765\u6a21\u62df\u71c3\u70e7\u8fc7\u7a0b\u3002<\/p>\n<\/li>\n<li>\n<p>\u90e8\u5206\u9884\u6df7\u71c3\u70e7\u6a21\u578b&#xff08;Partially Premixed Combustion Model&#xff09;&#xff1a;\u7ed3\u5408\u4e86\u9884\u6df7\u548c\u975e\u9884\u6df7\u71c3\u70e7\u6a21\u578b\u7684\u7279\u70b9&#xff0c;\u9002\u7528\u4e8e\u90e8\u5206\u9884\u6df7\u71c3\u70e7\u8fc7\u7a0b\u3002<\/p>\n<\/li>\n<li>\n<p>\u6709\u9650\u901f\u7387\/\u6da1\u6d41\u8017\u6563\u6a21\u578b&#xff08;Finite Rate\/EDC Model&#xff09;&#xff1a;\u9002\u7528\u4e8e\u9ad8\u6e4d\u6d41\u71c3\u70e7\u8fc7\u7a0b&#xff0c;\u901a\u8fc7\u8003\u8651\u5316\u5b66\u53cd\u5e94\u7684\u6709\u9650\u901f\u7387\u548c\u6da1\u6d41\u8017\u6563\u6765\u6a21\u62df\u71c3\u70e7\u8fc7\u7a0b\u3002<\/p>\n<\/li>\n<li>\n<p>\u6982\u7387\u5bc6\u5ea6\u51fd\u6570\u6a21\u578b&#xff08;PDF Model&#xff09;&#xff1a;\u9002\u7528\u4e8e\u590d\u6742\u71c3\u70e7\u8fc7\u7a0b&#xff0c;\u901a\u8fc7\u6c42\u89e3\u6982\u7387\u5bc6\u5ea6\u51fd\u6570\u6765\u6a21\u62df\u5316\u5b66\u53cd\u5e94\u7684\u52a8\u529b\u5b66\u3002<\/p>\n<\/li>\n<\/ul>\n<h4>2. \u5316\u5b66\u53cd\u5e94\u6a21\u578b\u7684\u8bbe\u7f6e\u65b9\u6cd5<\/h4>\n<p>\u5728Fluent\u4e2d\u8bbe\u7f6e\u5316\u5b66\u53cd\u5e94\u6a21\u578b\u901a\u5e38\u5305\u62ec\u4ee5\u4e0b\u51e0\u4e2a\u6b65\u9aa4&#xff1a;<\/p>\n<li>\n<p>\u5b9a\u4e49\u5316\u5b66\u53cd\u5e94&#xff1a;\u5728\u201cDefine\u201d\u83dc\u5355\u4e2d\u9009\u62e9\u201cSpecies\u201d -&gt; \u201cReaction\u201d&#xff0c;\u5b9a\u4e49\u53cd\u5e94\u7269\u3001\u751f\u6210\u7269\u548c\u53cd\u5e94\u901f\u7387\u5e38\u6570\u3002<\/p>\n<\/li>\n<li>\n<p>\u9009\u62e9\u5316\u5b66\u53cd\u5e94\u6a21\u578b&#xff1a;\u5728\u201cModels\u201d\u83dc\u5355\u4e2d\u9009\u62e9\u201cSpecies Transport\u201d -&gt; \u201cReaction\u201d&#xff0c;\u9009\u62e9\u5408\u9002\u7684\u5316\u5b66\u53cd\u5e94\u6a21\u578b\u3002<\/p>\n<\/li>\n<li>\n<p>\u8bbe\u7f6e\u53cd\u5e94\u53c2\u6570&#xff1a;\u6839\u636e\u6240\u9009\u62e9\u7684\u5316\u5b66\u53cd\u5e94\u6a21\u578b&#xff0c;\u8bbe\u7f6e\u76f8\u5173\u7684\u53c2\u6570&#xff0c;\u5982\u53cd\u5e94\u8fdb\u5ea6\u65b9\u7a0b\u3001\u6df7\u5408\u5206\u6570\u65b9\u7a0b\u7b49\u3002<\/p>\n<\/li>\n<li>\n<p>\u5b9a\u4e49\u8fb9\u754c\u6761\u4ef6&#xff1a;\u5728\u201cBoundary Conditions\u201d\u4e2d\u8bbe\u7f6e\u53cd\u5e94\u7269\u7684\u8fdb\u6c14\u6761\u4ef6\u548c\u751f\u6210\u7269\u7684\u51fa\u6c14\u6761\u4ef6\u3002<\/p>\n<\/li>\n<li>\n<p>\u6c42\u89e3&#xff1a;\u5728\u201cSolve\u201d\u83dc\u5355\u4e2d\u9009\u62e9\u201cControls\u201d -&gt; \u201cSolution\u201d&#xff0c;\u8bbe\u7f6e\u6c42\u89e3\u63a7\u5236\u53c2\u6570&#xff0c;\u7136\u540e\u8fd0\u884c\u6c42\u89e3\u5668\u3002<\/p>\n<\/li>\n<h4>3. \u7f16\u7a0b\u793a\u4f8b&#xff1a;\u81ea\u5b9a\u4e49\u5316\u5b66\u53cd\u5e94\u6a21\u578b<\/h4>\n<p>\u5728\u67d0\u4e9b\u590d\u6742\u7684\u5e94\u7528\u573a\u666f\u4e2d&#xff0c;Fluent\u5185\u7f6e\u7684\u5316\u5b66\u53cd\u5e94\u6a21\u578b\u53ef\u80fd\u65e0\u6cd5\u6ee1\u8db3\u7279\u5b9a\u7684\u9700\u6c42\u3002\u6b64\u65f6&#xff0c;\u7528\u6237\u53ef\u4ee5\u901a\u8fc7UDF&#xff08;User Defined Function&#xff09;\u81ea\u5b9a\u4e49\u5316\u5b66\u53cd\u5e94\u6a21\u578b\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684UDF\u793a\u4f8b&#xff0c;\u7528\u4e8e\u5b9a\u4e49\u4e00\u4e2a\u81ea\u5b9a\u4e49\u7684\u5316\u5b66\u53cd\u5e94\u901f\u7387\u3002<\/p>\n<h5>3.1. UDF\u5b9a\u4e49\u5316\u5b66\u53cd\u5e94\u901f\u7387<\/h5>\n<p>\u5047\u8bbe\u6211\u4eec\u9700\u8981\u5b9a\u4e49\u4e00\u4e2a\u7b80\u5355\u7684\u5316\u5b66\u53cd\u5e94&#xff1a;<\/p>\n<p><span class=\"katex--display\"><span class=\"katex-display\"><span class=\"katex\"><span class=\"katex-mathml\">A&#043;B\u2192C A &#043; B \\\\rightarrow C <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.7667em;vertical-align: -0.0833em\"><\/span><span class=\"mord mathnormal\">A<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><span class=\"mbin\">&#043;<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 0.6833em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0502em\">B<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><span class=\"mrel\">\u2192<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 0.6833em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0715em\">C<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n<p>\u53cd\u5e94\u901f\u7387\u5e38\u6570 <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\">kk<\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.6944em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0315em\">k<\/span><\/span><\/span><\/span><\/span> \u4e3a 0.1 <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\">mol\/m3\u22c5s\u22c5mol\/m3\\\\text{mol\/m}^3 \\\\cdot \\\\text{s} \\\\cdot \\\\text{mol\/m}^3<\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 1.204em;vertical-align: -0.25em\"><\/span><span class=\"mord\"><span class=\"mord text\"><span class=\"mord\">mol\/m<\/span><\/span><span class=\"msupsub\"><span class=\"vlist-t\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.954em\"><span class=\"\" style=\"top: -3.2029em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">3<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><span class=\"mbin\">\u22c5<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 0.4445em\"><\/span><span class=\"mord text\"><span class=\"mord\">s<\/span><\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><span class=\"mbin\">\u22c5<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 1.204em;vertical-align: -0.25em\"><\/span><span class=\"mord\"><span class=\"mord text\"><span class=\"mord\">mol\/m<\/span><\/span><span class=\"msupsub\"><span class=\"vlist-t\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.954em\"><span class=\"\" style=\"top: -3.2029em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">3<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>\u3002<\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;udf.h&#034;<\/span><\/span><\/p>\n<p><span class=\"token function\">DEFINE_SPECIES_SOURCE<\/span><span class=\"token punctuation\">(<\/span>my_species_source<span class=\"token punctuation\">,<\/span> c<span class=\"token punctuation\">,<\/span> t<span class=\"token punctuation\">,<\/span> i<span class=\"token punctuation\">,<\/span> s<span class=\"token punctuation\">,<\/span> sp_name<span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u83b7\u53d6\u53cd\u5e94\u7269A\u548cB\u7684\u6d53\u5ea6<\/span><\/p>\n<p>    real C_A <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">C_YI<\/span><span class=\"token punctuation\">(<\/span>c<span class=\"token punctuation\">,<\/span> t<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u5047\u8bbeA\u662f\u7b2c\u4e00\u4e2a\u7269\u79cd<\/span><\/p>\n<p>    real C_B <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">C_YI<\/span><span class=\"token punctuation\">(<\/span>c<span class=\"token punctuation\">,<\/span> t<span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u5047\u8bbeB\u662f\u7b2c\u4e8c\u4e2a\u7269\u79cd<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u8ba1\u7b97\u751f\u6210\u7269C\u7684\u6e90\u9879<\/span><\/p>\n<p>    s<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0.0<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ A\u7684\u6e90\u9879<\/span><\/p>\n<p>    s<span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0.0<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ B\u7684\u6e90\u9879<\/span><\/p>\n<p>    s<span class=\"token punctuation\">[<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0.1<\/span> <span class=\"token operator\">*<\/span> C_A <span class=\"token operator\">*<\/span> C_B<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ C\u7684\u6e90\u9879<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u8ba1\u7b97\u53cd\u5e94\u901f\u7387<\/span><\/p>\n<p>    s<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">0.1<\/span> <span class=\"token operator\">*<\/span> C_A <span class=\"token operator\">*<\/span> C_B<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ A\u7684\u6d88\u8017\u901f\u7387<\/span><\/p>\n<p>    s<span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">0.1<\/span> <span class=\"token operator\">*<\/span> C_A <span class=\"token operator\">*<\/span> C_B<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ B\u7684\u6d88\u8017\u901f\u7387<\/span><\/p>\n<p><span class=\"token punctuation\">}<\/span><\/p>\n<h5>3.2. \u52a0\u8f7d\u548c\u7f16\u8bd1UDF<\/h5>\n<li>\n<p>\u521b\u5efaUDF\u6587\u4ef6&#xff1a;\u5c06\u4e0a\u8ff0\u4ee3\u7801\u4fdd\u5b58\u4e3a my_species_source.c \u6587\u4ef6\u3002<\/p>\n<\/li>\n<li>\n<p>\u52a0\u8f7dUDF&#xff1a;\u5728Fluent\u4e2d&#xff0c;\u8fdb\u5165\u201cDefine\u201d -&gt; \u201cUser-Defined\u201d -&gt; \u201cFunctions\u201d -&gt; \u201cUDF\u201d&#xff0c;\u9009\u62e9\u201cInterpreted\u201d\u6216\u201cCompiled\u201d&#xff0c;\u7136\u540e\u52a0\u8f7d my_species_source.c \u6587\u4ef6\u3002<\/p>\n<\/li>\n<li>\n<p>\u7f16\u8bd1UDF&#xff1a;\u9009\u62e9\u201cCompiled\u201d&#xff0c;\u70b9\u51fb\u201cBuild\u201d\u6309\u94ae\u8fdb\u884c\u7f16\u8bd1\u3002<\/p>\n<\/li>\n<h5>3.3. \u8bbe\u7f6eUDF<\/h5>\n<li>\n<p>\u5b9a\u4e49\u7269\u79cd&#xff1a;\u5728\u201cDefine\u201d -&gt; \u201cSpecies\u201d -&gt; \u201cMaterials\u201d\u4e2d\u5b9a\u4e49\u53cd\u5e94\u7269A\u3001B\u548c\u751f\u6210\u7269C\u3002<\/p>\n<\/li>\n<li>\n<p>\u9009\u62e9\u7269\u79cd\u4f20\u8f93\u6a21\u578b&#xff1a;\u5728\u201cModels\u201d -&gt; \u201cSpecies Transport\u201d\u4e2d\u9009\u62e9\u201cSpecies Transport\u201d\u6a21\u578b&#xff0c;\u5e76\u542f\u7528\u201cReaction\u201d\u3002<\/p>\n<\/li>\n<li>\n<p>\u8bbe\u7f6e\u53cd\u5e94&#xff1a;\u5728\u201cDefine\u201d -&gt; \u201cSpecies\u201d -&gt; \u201cReaction\u201d\u4e2d\u9009\u62e9\u201cUser-Defined\u201d\u53cd\u5e94\u7c7b\u578b&#xff0c;\u5e76\u6307\u5b9aUDF my_species_source\u3002<\/p>\n<\/li>\n<h4>4. \u5b9e\u4f8b&#xff1a;\u6a21\u62df\u6c14\u4f53\u71c3\u70e7\u8fc7\u7a0b<\/h4>\n<p>\u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a\u7b80\u5355\u7684\u71c3\u6c14\u71c3\u70e7\u53cd\u5e94\u5668&#xff0c;\u9700\u8981\u6a21\u62df\u4ee5\u4e0b\u5316\u5b66\u53cd\u5e94&#xff1a;<\/p>\n<p><span class=\"katex--display\"><span class=\"katex-display\"><span class=\"katex\"><span class=\"katex-mathml\">CH4&#043;2O2\u2192CO2&#043;2H2O CH_4 &#043; 2O_2 \\\\rightarrow CO_2 &#043; 2H_2O <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.8333em;vertical-align: -0.15em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0715em\">C<\/span><span class=\"mord\"><span class=\"mord mathnormal\" style=\"margin-right: 0.0813em\">H<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.3011em\"><span class=\"\" style=\"top: -2.55em;margin-left: -0.0813em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">4<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.15em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><span class=\"mbin\">&#043;<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 0.8333em;vertical-align: -0.15em\"><\/span><span class=\"mord\">2<\/span><span class=\"mord\"><span class=\"mord mathnormal\" style=\"margin-right: 0.0278em\">O<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.3011em\"><span class=\"\" style=\"top: -2.55em;margin-left: -0.0278em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">2<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.15em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><span class=\"mrel\">\u2192<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 0.8333em;vertical-align: -0.15em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0715em\">C<\/span><span class=\"mord\"><span class=\"mord mathnormal\" style=\"margin-right: 0.0278em\">O<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.3011em\"><span class=\"\" style=\"top: -2.55em;margin-left: -0.0278em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">2<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.15em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><span class=\"mbin\">&#043;<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 0.8333em;vertical-align: -0.15em\"><\/span><span class=\"mord\">2<\/span><span class=\"mord\"><span class=\"mord mathnormal\" style=\"margin-right: 0.0813em\">H<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.3011em\"><span class=\"\" style=\"top: -2.55em;margin-left: -0.0813em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">2<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.15em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0278em\">O<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n<p>\u6211\u4eec\u5c06\u4f7f\u7528\u9884\u6df7\u71c3\u70e7\u6a21\u578b\u6765\u6a21\u62df\u8fd9\u4e00\u8fc7\u7a0b\u3002<\/p>\n<h5>4.1. \u5b9a\u4e49\u5316\u5b66\u53cd\u5e94<\/h5>\n<li>\n<p>\u8fdb\u5165\u201cDefine\u201d -&gt; \u201cSpecies\u201d -&gt; \u201cReaction\u201d\u3002<\/p>\n<\/li>\n<li>\n<p>\u6dfb\u52a0\u53cd\u5e94&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u53cd\u5e94\u7c7b\u578b\u9009\u62e9\u201cElementary\u201d\u3002<\/p>\n<\/li>\n<li>\n<p>\u53cd\u5e94\u7269&#xff1a;CH_4\u3001O_2\u3002<\/p>\n<\/li>\n<li>\n<p>\u751f\u6210\u7269&#xff1a;CO_2\u3001H_2O\u3002<\/p>\n<\/li>\n<li>\n<p>\u53cd\u5e94\u901f\u7387\u5e38\u6570 <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\">kk<\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.6944em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0315em\">k<\/span><\/span><\/span><\/span><\/span> \u4e3a 0.1 <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\">mol\/m3\u22c5s\u22c5mol\/m3\\\\text{mol\/m}^3 \\\\cdot \\\\text{s} \\\\cdot \\\\text{mol\/m}^3<\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 1.204em;vertical-align: -0.25em\"><\/span><span class=\"mord\"><span class=\"mord text\"><span class=\"mord\">mol\/m<\/span><\/span><span class=\"msupsub\"><span class=\"vlist-t\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.954em\"><span class=\"\" style=\"top: -3.2029em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">3<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><span class=\"mbin\">\u22c5<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 0.4445em\"><\/span><span class=\"mord text\"><span class=\"mord\">s<\/span><\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><span class=\"mbin\">\u22c5<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 1.204em;vertical-align: -0.25em\"><\/span><span class=\"mord\"><span class=\"mord text\"><span class=\"mord\">mol\/m<\/span><\/span><span class=\"msupsub\"><span class=\"vlist-t\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.954em\"><span class=\"\" style=\"top: -3.2029em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">3<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<h5>4.2. \u9009\u62e9\u5316\u5b66\u53cd\u5e94\u6a21\u578b<\/h5>\n<li>\n<p>\u8fdb\u5165\u201cModels\u201d -&gt; \u201cSpecies Transport\u201d\u3002<\/p>\n<\/li>\n<li>\n<p>\u9009\u62e9\u201cReaction\u201d\u3002<\/p>\n<\/li>\n<li>\n<p>\u9009\u62e9\u201cPremixed Combustion Model\u201d\u3002<\/p>\n<\/li>\n<h5>4.3. \u8bbe\u7f6e\u53cd\u5e94\u53c2\u6570<\/h5>\n<li>\n<p>\u8fdb\u5165\u201cModels\u201d -&gt; \u201cSpecies Transport\u201d -&gt; \u201cPremixed Combustion\u201d\u3002<\/p>\n<\/li>\n<li>\n<p>\u8bbe\u7f6e\u53cd\u5e94\u8fdb\u5ea6\u53d8\u91cf&#xff1a;\u9009\u62e9\u5408\u9002\u7684\u53cd\u5e94\u8fdb\u5ea6\u53d8\u91cf&#xff0c;\u5982 <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\">\u03d5\\\\phi<\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.8889em;vertical-align: -0.1944em\"><\/span><span class=\"mord mathnormal\">\u03d5<\/span><\/span><\/span><\/span><\/span>\u3002<\/p>\n<\/li>\n<li>\n<p>\u8bbe\u7f6e\u71c3\u70e7\u6a21\u578b\u53c2\u6570&#xff1a;\u6839\u636e\u5177\u4f53\u5b9e\u9a8c\u6570\u636e\u8bbe\u7f6e\u71c3\u70e7\u6a21\u578b\u53c2\u6570&#xff0c;\u5982\u6d3b\u5316\u80fd\u3001\u6307\u524d\u56e0\u5b50\u7b49\u3002<\/p>\n<\/li>\n<h5>4.4. \u5b9a\u4e49\u8fb9\u754c\u6761\u4ef6<\/h5>\n<li>\n<p>\u8fdb\u5165\u201cBoundary Conditions\u201d\u3002<\/p>\n<\/li>\n<li>\n<p>\u8bbe\u7f6e\u8fdb\u6c14\u8fb9\u754c&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u9009\u62e9\u8fdb\u6c14\u8fb9\u754c&#xff0c;\u8bbe\u7f6eCH_4\u548cO_2\u7684\u6469\u5c14\u5206\u6570\u3002<\/p>\n<\/li>\n<li>\n<p>\u4f8b\u5982&#xff0c;CH_4\u7684\u6469\u5c14\u5206\u6570\u4e3a0.1&#xff0c;O_2\u7684\u6469\u5c14\u5206\u6570\u4e3a0.9\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u8bbe\u7f6e\u51fa\u6c14\u8fb9\u754c&#xff1a;<\/p>\n<ul>\n<li>\u9009\u62e9\u51fa\u6c14\u8fb9\u754c&#xff0c;\u8bbe\u7f6e\u538b\u529b\u548c\u6e29\u5ea6\u3002<\/li>\n<\/ul>\n<\/li>\n<h5>4.5. \u8fd0\u884c\u6c42\u89e3\u5668<\/h5>\n<li>\n<p>\u8fdb\u5165\u201cSolve\u201d -&gt; \u201cControls\u201d -&gt; \u201cSolution\u201d\u3002<\/p>\n<\/li>\n<li>\n<p>\u8bbe\u7f6e\u6c42\u89e3\u63a7\u5236\u53c2\u6570&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u9009\u62e9\u5408\u9002\u7684\u6c42\u89e3\u65b9\u6cd5&#xff0c;\u5982\u201cCoupled\u201d\u6216\u201cSegregated\u201d\u3002<\/p>\n<\/li>\n<li>\n<p>\u8bbe\u7f6e\u6536\u655b\u6807\u51c6&#xff0c;\u5982\u6b8b\u5dee\u6807\u51c6\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u8fd0\u884c\u6c42\u89e3\u5668&#xff1a;\u70b9\u51fb\u201cSolve\u201d -&gt; \u201cIterate\u201d&#xff0c;\u8bbe\u7f6e\u8fed\u4ee3\u6b65\u6570\u5e76\u5f00\u59cb\u6c42\u89e3\u3002<\/p>\n<\/li>\n<h4>5. \u7ed3\u679c\u5206\u6790<\/h4>\n<li>\n<p>\u67e5\u770b\u6d53\u5ea6\u5206\u5e03&#xff1a;\u5728\u201cDisplay\u201d -&gt; \u201cContours\u201d\u4e2d\u9009\u62e9\u201cSpecies\u201d -&gt; \u201cMass Fraction\u201d&#xff0c;\u67e5\u770b\u53cd\u5e94\u7269\u548c\u751f\u6210\u7269\u7684\u6d53\u5ea6\u5206\u5e03\u3002<\/p>\n<\/li>\n<li>\n<p>\u67e5\u770b\u6e29\u5ea6\u5206\u5e03&#xff1a;\u5728\u201cDisplay\u201d -&gt; \u201cContours\u201d\u4e2d\u9009\u62e9\u201cTemperature\u201d&#xff0c;\u67e5\u770b\u53cd\u5e94\u5668\u5185\u7684\u6e29\u5ea6\u5206\u5e03\u3002<\/p>\n<\/li>\n<li>\n<p>\u5bfc\u51fa\u6570\u636e&#xff1a;\u5728\u201cFile\u201d -&gt; \u201cExport\u201d\u4e2d\u9009\u62e9\u5408\u9002\u7684\u683c\u5f0f\u5bfc\u51fa\u4eff\u771f\u7ed3\u679c&#xff0c;\u5982CSV\u6587\u4ef6&#xff0c;\u4ee5\u4fbf\u8fdb\u4e00\u6b65\u5206\u6790\u3002<\/p>\n<\/li>\n<h4>6. \u9ad8\u7ea7\u5e94\u7528&#xff1a;\u591a\u76f8\u53cd\u5e94\u6a21\u578b<\/h4>\n<p>\u591a\u76f8\u53cd\u5e94\u6a21\u578b\u7528\u4e8e\u6a21\u62df\u6d89\u53ca\u56fa\u76f8\u3001\u6db2\u76f8\u548c\u6c14\u76f8\u7684\u5316\u5b66\u53cd\u5e94\u8fc7\u7a0b\u3002\u4f8b\u5982&#xff0c;\u71c3\u70e7\u8fc7\u7a0b\u4e2d\u53ef\u80fd\u6d89\u53ca\u71c3\u6599\u7684\u84b8\u53d1\u548c\u71c3\u70e7\u3002Fluent\u63d0\u4f9b\u4e86\u591a\u79cd\u591a\u76f8\u53cd\u5e94\u6a21\u578b&#xff0c;\u5305\u62ec\u79bb\u6563\u76f8\u6a21\u578b&#xff08;DPM&#xff09;\u548c\u7ec4\u5206\u4f20\u8f93\u6a21\u578b&#xff08;CTM&#xff09;\u3002<\/p>\n<h5>6.1. \u5b9a\u4e49\u591a\u76f8\u53cd\u5e94<\/h5>\n<li>\n<p>\u8fdb\u5165\u201cDefine\u201d -&gt; \u201cSpecies\u201d -&gt; \u201cReaction\u201d\u3002<\/p>\n<\/li>\n<li>\n<p>\u6dfb\u52a0\u591a\u76f8\u53cd\u5e94&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u53cd\u5e94\u7c7b\u578b\u9009\u62e9\u201cHeterogeneous\u201d\u3002<\/p>\n<\/li>\n<li>\n<p>\u53cd\u5e94\u7269&#xff1a;\u71c3\u6599\u3001\u6c27\u6c14\u3002<\/p>\n<\/li>\n<li>\n<p>\u751f\u6210\u7269&#xff1a;CO_2\u3001H_2O\u3002<\/p>\n<\/li>\n<li>\n<p>\u8bbe\u7f6e\u53cd\u5e94\u901f\u7387\u5e38\u6570\u548c\u53cd\u5e94\u754c\u9762\u53c2\u6570\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<h5>6.2. \u9009\u62e9\u591a\u76f8\u53cd\u5e94\u6a21\u578b<\/h5>\n<li>\n<p>\u8fdb\u5165\u201cModels\u201d -&gt; \u201cMultiphase\u201d\u3002<\/p>\n<\/li>\n<li>\n<p>\u9009\u62e9\u5408\u9002\u7684\u591a\u76f8\u6a21\u578b&#xff0c;\u5982\u201cEulerian\u201d\u6216\u201cLagrangian\u201d\u3002<\/p>\n<\/li>\n<li>\n<p>\u542f\u7528\u7269\u79cd\u4f20\u8f93\u6a21\u578b&#xff1a;\u5728\u201cSpecies Transport\u201d\u4e2d\u9009\u62e9\u201cSpecies Transport\u201d\u6a21\u578b&#xff0c;\u5e76\u542f\u7528\u201cReaction\u201d\u3002<\/p>\n<\/li>\n<h5>6.3. \u8bbe\u7f6e\u591a\u76f8\u53cd\u5e94\u53c2\u6570<\/h5>\n<li>\n<p>\u8fdb\u5165\u201cModels\u201d -&gt; \u201cSpecies Transport\u201d -&gt; \u201cHeterogeneous Reaction\u201d\u3002<\/p>\n<\/li>\n<li>\n<p>\u8bbe\u7f6e\u53cd\u5e94\u754c\u9762\u53c2\u6570&#xff1a;\u5982\u8868\u9762\u53cd\u5e94\u901f\u7387\u5e38\u6570\u3001\u4f20\u8d28\u7cfb\u6570\u7b49\u3002<\/p>\n<\/li>\n<li>\n<p>\u8bbe\u7f6e\u591a\u76f8\u6d41\u53c2\u6570&#xff1a;\u5982\u9897\u7c92\u76f4\u5f84\u3001\u5bc6\u5ea6\u3001\u901f\u5ea6\u7b49\u3002<\/p>\n<\/li>\n<h5>6.4. \u8fd0\u884c\u6c42\u89e3\u5668<\/h5>\n<li>\n<p>\u8fdb\u5165\u201cSolve\u201d -&gt; \u201cControls\u201d -&gt; \u201cSolution\u201d\u3002<\/p>\n<\/li>\n<li>\n<p>\u8bbe\u7f6e\u6c42\u89e3\u63a7\u5236\u53c2\u6570&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u9009\u62e9\u5408\u9002\u7684\u6c42\u89e3\u65b9\u6cd5&#xff0c;\u5982\u201cCoupled\u201d\u6216\u201cSegregated\u201d\u3002<\/p>\n<\/li>\n<li>\n<p>\u8bbe\u7f6e\u6536\u655b\u6807\u51c6&#xff0c;\u5982\u6b8b\u5dee\u6807\u51c6\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u8fd0\u884c\u6c42\u89e3\u5668&#xff1a;\u70b9\u51fb\u201cSolve\u201d -&gt; \u201cIterate\u201d&#xff0c;\u8bbe\u7f6e\u8fed\u4ee3\u6b65\u6570\u5e76\u5f00\u59cb\u6c42\u89e3\u3002<\/p>\n<\/li>\n<h4>7. \u7f16\u7a0b\u793a\u4f8b&#xff1a;\u81ea\u5b9a\u4e49\u591a\u76f8\u53cd\u5e94\u6a21\u578b<\/h4>\n<p>\u5047\u8bbe\u6211\u4eec\u9700\u8981\u6a21\u62df\u4e00\u4e2a\u71c3\u6599\u9897\u7c92\u5728\u71c3\u70e7\u8fc7\u7a0b\u4e2d\u7684\u84b8\u53d1\u548c\u71c3\u70e7\u3002\u6211\u4eec\u5c06\u901a\u8fc7UDF\u6765\u5b9a\u4e49\u8fd9\u4e00\u8fc7\u7a0b\u3002<\/p>\n<h5>7.1. UDF\u5b9a\u4e49\u591a\u76f8\u53cd\u5e94\u901f\u7387<\/h5>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;udf.h&#034;<\/span><\/span><\/p>\n<p><span class=\"token function\">DEFINE_DPM_REACTION_RATE<\/span><span class=\"token punctuation\">(<\/span>custom_reaction_rate<span class=\"token punctuation\">,<\/span> d<span class=\"token punctuation\">,<\/span> r<span class=\"token punctuation\">,<\/span> i<span class=\"token punctuation\">,<\/span> k<span class=\"token punctuation\">,<\/span> k_type<span class=\"token punctuation\">,<\/span> rate<span class=\"token punctuation\">,<\/span> err<span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u83b7\u53d6\u9897\u7c92\u76f4\u5f84\u548c\u6e29\u5ea6<\/span><\/p>\n<p>    real diameter <span class=\"token operator\">&#061;<\/span> d<span class=\"token operator\">-&gt;<\/span>diameter<span class=\"token punctuation\">;<\/span><\/p>\n<p>    real temperature <span class=\"token operator\">&#061;<\/span> d<span class=\"token operator\">-&gt;<\/span>T<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u83b7\u53d6\u53cd\u5e94\u7269\u7684\u6d53\u5ea6<\/span><\/p>\n<p>    real C_fuel <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">C_YI<\/span><span class=\"token punctuation\">(<\/span>r<span class=\"token operator\">-&gt;<\/span>cell<span class=\"token punctuation\">,<\/span> r<span class=\"token operator\">-&gt;<\/span>thread<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u5047\u8bbe\u71c3\u6599\u662f\u7b2c\u4e00\u4e2a\u7269\u79cd<\/span><\/p>\n<p>    real C_oxygen <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">C_YI<\/span><span class=\"token punctuation\">(<\/span>r<span class=\"token operator\">-&gt;<\/span>cell<span class=\"token punctuation\">,<\/span> r<span class=\"token operator\">-&gt;<\/span>thread<span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u5047\u8bbe\u6c27\u6c14\u662f\u7b2c\u4e8c\u4e2a\u7269\u79cd<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u8ba1\u7b97\u53cd\u5e94\u901f\u7387<\/span><\/p>\n<p>    rate<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">0.1<\/span> <span class=\"token operator\">*<\/span> C_fuel <span class=\"token operator\">*<\/span> C_oxygen<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u71c3\u6599\u7684\u6d88\u8017\u901f\u7387<\/span><\/p>\n<p>    rate<span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">0.2<\/span> <span class=\"token operator\">*<\/span> C_fuel <span class=\"token operator\">*<\/span> C_oxygen<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u6c27\u6c14\u7684\u6d88\u8017\u901f\u7387<\/span><\/p>\n<p>    rate<span class=\"token punctuation\">[<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0.1<\/span> <span class=\"token operator\">*<\/span> C_fuel <span class=\"token operator\">*<\/span> C_oxygen<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ CO_2\u7684\u751f\u6210\u901f\u7387<\/span><\/p>\n<p>    rate<span class=\"token punctuation\">[<\/span><span class=\"token number\">3<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0.2<\/span> <span class=\"token operator\">*<\/span> C_fuel <span class=\"token operator\">*<\/span> C_oxygen<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ H_2O\u7684\u751f\u6210\u901f\u7387<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u8bbe\u7f6e\u9519\u8bef\u4ee3\u7801<\/span><\/p>\n<p>    <span class=\"token operator\">*<\/span>err <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token punctuation\">}<\/span><\/p>\n<h5>7.2. \u52a0\u8f7d\u548c\u7f16\u8bd1UDF<\/h5>\n<li>\n<p>\u521b\u5efaUDF\u6587\u4ef6&#xff1a;\u5c06\u4e0a\u8ff0\u4ee3\u7801\u4fdd\u5b58\u4e3a custom_reaction_rate.c \u6587\u4ef6\u3002<\/p>\n<\/li>\n<li>\n<p>\u52a0\u8f7dUDF&#xff1a;\u5728Fluent\u4e2d&#xff0c;\u8fdb\u5165\u201cDefine\u201d -&gt; \u201cUser-Defined\u201d -&gt; \u201cFunctions\u201d -&gt; \u201cUDF\u201d&#xff0c;\u9009\u62e9\u201cInterpreted\u201d\u6216\u201cCompiled\u201d&#xff0c;\u7136\u540e\u52a0\u8f7d custom_reaction_rate.c \u6587\u4ef6\u3002<\/p>\n<\/li>\n<li>\n<p>\u7f16\u8bd1UDF&#xff1a;\u9009\u62e9\u201cCompiled\u201d&#xff0c;\u70b9\u51fb\u201cBuild\u201d\u6309\u94ae\u8fdb\u884c\u7f16\u8bd1\u3002<\/p>\n<\/li>\n<h5>7.3. \u8bbe\u7f6eUDF<\/h5>\n<li>\n<p>\u8fdb\u5165\u201cDefine\u201d -&gt; \u201cSpecies\u201d -&gt; \u201cReaction\u201d\u3002<\/p>\n<\/li>\n<li>\n<p>\u9009\u62e9\u201cUser-Defined\u201d\u53cd\u5e94\u7c7b\u578b\u3002<\/p>\n<\/li>\n<li>\n<p>\u6307\u5b9aUDF custom_reaction_rate\u3002<\/p>\n<\/li>\n<h4>8. \u5b9e\u4f8b&#xff1a;\u6a21\u62df\u71c3\u6599\u9897\u7c92\u7684\u71c3\u70e7\u8fc7\u7a0b<\/h4>\n<p>\u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a\u71c3\u6599\u9897\u7c92\u5728\u71c3\u70e7\u53cd\u5e94\u5668\u4e2d\u71c3\u70e7&#xff0c;\u9700\u8981\u6a21\u62df\u5176\u84b8\u53d1\u548c\u71c3\u70e7\u8fc7\u7a0b\u3002<\/p>\n<h5>8.1. \u5b9a\u4e49\u591a\u76f8\u5316\u5b66\u53cd\u5e94<\/h5>\n<li>\n<p>\u8fdb\u5165\u201cDefine\u201d -&gt; \u201cSpecies\u201d -&gt; \u201cReaction\u201d\u3002<\/p>\n<\/li>\n<li>\n<p>\u6dfb\u52a0\u591a\u76f8\u53cd\u5e94&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u53cd\u5e94\u7c7b\u578b\u9009\u62e9\u201cHeterogeneous\u201d\u3002<\/p>\n<\/li>\n<li>\n<p>\u53cd\u5e94\u7269&#xff1a;\u71c3\u6599\u3001\u6c27\u6c14\u3002<\/p>\n<\/li>\n<li>\n<p>\u751f\u6210\u7269&#xff1a;CO_2\u3001H_2O\u3002<\/p>\n<\/li>\n<li>\n<p>\u8bbe\u7f6e\u53cd\u5e94\u901f\u7387\u5e38\u6570\u548c\u53cd\u5e94\u754c\u9762\u53c2\u6570\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<h5>8.2. \u9009\u62e9\u591a\u76f8\u53cd\u5e94\u6a21\u578b<\/h5>\n<li>\n<p>\u8fdb\u5165\u201cModels\u201d -&gt; \u201cMultiphase\u201d\u3002<\/p>\n<\/li>\n<li>\n<p>\u9009\u62e9\u201cEulerian\u201d\u6216\u201cLagrangian\u201d\u6a21\u578b\u3002<\/p>\n<\/li>\n<li>\n<p>\u542f\u7528\u7269\u79cd\u4f20\u8f93\u6a21\u578b&#xff1a;\u5728\u201cSpecies Transport\u201d\u4e2d\u9009\u62e9\u201cSpecies Transport\u201d\u6a21\u578b&#xff0c;\u5e76\u542f\u7528\u201cReaction\u201d\u3002<\/p>\n<\/li>\n<h5>8.3. \u8bbe\u7f6e\u591a\u76f8\u53cd\u5e94\u53c2\u6570<\/h5>\n<li>\n<p>\u8fdb\u5165\u201cModels\u201d -&gt; \u201cSpecies Transport\u201d -&gt; \u201cHeterogeneous Reaction\u201d\u3002<\/p>\n<\/li>\n<li>\n<p>\u8bbe\u7f6e\u53cd\u5e94\u754c\u9762\u53c2\u6570&#xff1a;\u5982\u8868\u9762\u53cd\u5e94\u901f\u7387\u5e38\u6570\u3001\u4f20\u8d28\u7cfb\u6570\u7b49\u3002<\/p>\n<\/li>\n<li>\n<p>\u8bbe\u7f6e\u591a\u76f8\u6d41\u53c2\u6570&#xff1a;\u5982\u9897\u7c92\u76f4\u5f84\u3001\u5bc6\u5ea6\u3001\u901f\u5ea6\u7b49\u3002<\/p>\n<\/li>\n<h5>8.4. \u5b9a\u4e49\u8fb9\u754c\u6761\u4ef6<\/h5>\n<li>\n<p>\u8fdb\u5165\u201cBoundary Conditions\u201d\u3002<\/p>\n<\/li>\n<li>\n<p>\u8bbe\u7f6e\u8fdb\u6c14\u8fb9\u754c&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u9009\u62e9\u8fdb\u6c14\u8fb9\u754c&#xff0c;\u8bbe\u7f6e\u71c3\u6599\u548c\u6c27\u6c14\u7684\u6469\u5c14\u5206\u6570\u3002<\/p>\n<\/li>\n<li>\n<p>\u4f8b\u5982&#xff0c;\u71c3\u6599\u7684\u6469\u5c14\u5206\u6570\u4e3a0.1&#xff0c;\u6c27\u6c14\u7684\u6469\u5c14\u5206\u6570\u4e3a0.9\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u8bbe\u7f6e\u51fa\u6c14\u8fb9\u754c&#xff1a;<\/p>\n<ul>\n<li>\u9009\u62e9\u51fa\u6c14\u8fb9\u754c&#xff0c;\u8bbe\u7f6e\u538b\u529b\u548c\u6e29\u5ea6\u3002<\/li>\n<\/ul>\n<\/li>\n<h5>8.5. \u8fd0\u884c\u6c42\u89e3\u5668<\/h5>\n<li>\n<p>\u8fdb\u5165\u201cSolve\u201d -&gt; \u201cControls\u201d -&gt; \u201cSolution\u201d\u3002<\/p>\n<\/li>\n<li>\n<p>\u8bbe\u7f6e\u6c42\u89e3\u63a7\u5236\u53c2\u6570&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u9009\u62e9\u5408\u9002\u7684\u6c42\u89e3\u65b9\u6cd5&#xff0c;\u5982\u201cCoupled\u201d\u6216\u201cSegregated\u201d\u3002<\/p>\n<\/li>\n<li>\n<p>\u8bbe\u7f6e\u6536\u655b\u6807\u51c6&#xff0c;\u5982\u6b8b\u5dee\u6807\u51c6\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u8fd0\u884c\u6c42\u89e3\u5668&#xff1a;\u70b9\u51fb\u201cSolve\u201d -&gt; \u201cIterate\u201d&#xff0c;\u8bbe\u7f6e\u8fed\u4ee3\u6b65\u6570\u5e76\u5f00\u59cb\u6c42\u89e3\u3002<\/p>\n<\/li>\n<h4>9. \u7ed3\u679c\u5206\u6790<\/h4>\n<li>\n<p>\u67e5\u770b\u9897\u7c92\u8f68\u8ff9&#xff1a;\u5728\u201cDisplay\u201d -&gt; \u201cParticles\u201d\u4e2d\u9009\u62e9\u201cTrajectories\u201d&#xff0c;\u67e5\u770b\u71c3\u6599\u9897\u7c92\u7684\u8f68\u8ff9\u3002<\/p>\n<\/li>\n<li>\n<p>\u67e5\u770b\u6d53\u5ea6\u5206\u5e03&#xff1a;\u5728\u201cDisplay\u201d -&gt; \u201cContours\u201d\u4e2d\u9009\u62e9\u201cSpecies\u201d -&gt; \u201cMass Fraction\u201d&#xff0c;\u67e5\u770b\u53cd\u5e94\u7269\u548c\u751f\u6210\u7269\u7684\u6d53\u5ea6\u5206\u5e03\u3002<\/p>\n<\/li>\n<li>\n<p>\u67e5\u770b\u6e29\u5ea6\u5206\u5e03&#xff1a;\u5728\u201cDisplay\u201d -&gt; \u201cContours\u201d\u4e2d\u9009\u62e9\u201cTemperature\u201d&#xff0c;\u67e5\u770b\u53cd\u5e94\u5668\u5185\u7684\u6e29\u5ea6\u5206\u5e03\u3002<\/p>\n<\/li>\n<li>\n<p>\u5bfc\u51fa\u6570\u636e&#xff1a;\u5728\u201cFile\u201d -&gt; \u201cExport\u201d\u4e2d\u9009\u62e9\u5408\u9002\u7684\u683c\u5f0f\u5bfc\u51fa\u4eff\u771f\u7ed3\u679c&#xff0c;\u5982CSV\u6587\u4ef6&#xff0c;\u4ee5\u4fbf\u8fdb\u4e00\u6b65\u5206\u6790\u3002<\/p>\n<\/li>\n<h4>10. \u5e38\u89c1\u95ee\u9898\u53ca\u89e3\u51b3\u65b9\u6cd5<\/h4>\n<li>\n<p>\u6536\u655b\u95ee\u9898&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u589e\u52a0\u7f51\u683c\u5bc6\u5ea6&#xff1a;\u7ec6\u5316\u7f51\u683c\u53ef\u4ee5\u63d0\u9ad8\u6a21\u62df\u7684\u51c6\u786e\u6027&#xff0c;\u4f46\u4f1a\u589e\u52a0\u8ba1\u7b97\u65f6\u95f4\u3002<\/p>\n<\/li>\n<li>\n<p>\u8c03\u6574\u6c42\u89e3\u63a7\u5236\u53c2\u6570&#xff1a;\u5982\u51cf\u5c0f\u65f6\u95f4\u6b65\u957f\u3001\u589e\u52a0\u677e\u5f1b\u56e0\u5b50\u7b49\u3002<\/p>\n<\/li>\n<li>\n<p>\u68c0\u67e5\u521d\u59cb\u6761\u4ef6\u548c\u8fb9\u754c\u6761\u4ef6&#xff1a;\u786e\u4fdd\u521d\u59cb\u6761\u4ef6\u548c\u8fb9\u754c\u6761\u4ef6\u8bbe\u7f6e\u5408\u7406\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u5316\u5b66\u53cd\u5e94\u901f\u7387\u4e0d\u51c6\u786e&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u9a8c\u8bc1\u5316\u5b66\u53cd\u5e94\u65b9\u7a0b\u5f0f&#xff1a;\u786e\u4fdd\u5316\u5b66\u53cd\u5e94\u65b9\u7a0b\u5f0f\u6b63\u786e\u3002<\/p>\n<\/li>\n<li>\n<p>\u8c03\u6574\u53cd\u5e94\u901f\u7387\u5e38\u6570&#xff1a;\u6839\u636e\u5b9e\u9a8c\u6570\u636e\u8c03\u6574\u53cd\u5e94\u901f\u7387\u5e38\u6570\u3002<\/p>\n<\/li>\n<li>\n<p>\u8003\u8651\u6e29\u5ea6\u548c\u538b\u529b\u7684\u5f71\u54cd&#xff1a;\u5728UDF\u4e2d\u8003\u8651\u6e29\u5ea6\u548c\u538b\u529b\u5bf9\u53cd\u5e94\u901f\u7387\u7684\u5f71\u54cd\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u591a\u76f8\u6d41\u6a21\u62df\u95ee\u9898&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u68c0\u67e5\u9897\u7c92\u53c2\u6570&#xff1a;\u786e\u4fdd\u9897\u7c92\u76f4\u5f84\u3001\u5bc6\u5ea6\u3001\u901f\u5ea6\u7b49\u53c2\u6570\u8bbe\u7f6e\u5408\u7406\u3002<\/p>\n<\/li>\n<li>\n<p>\u8c03\u6574\u4f20\u8d28\u7cfb\u6570&#xff1a;\u6839\u636e\u5b9e\u9a8c\u6570\u636e\u8c03\u6574\u4f20\u8d28\u7cfb\u6570\u3002<\/p>\n<\/li>\n<li>\n<p>\u589e\u52a0\u9897\u7c92\u8ffd\u8e2a\u6b65\u6570&#xff1a;\u589e\u52a0\u9897\u7c92\u8ffd\u8e2a\u6b65\u6570\u53ef\u4ee5\u63d0\u9ad8\u6a21\u62df\u7684\u51c6\u786e\u6027\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<h4>11. \u603b\u7ed3<\/h4>\n<p>\u901a\u8fc7\u672c\u8282\u7684\u5b66\u4e60&#xff0c;\u60a8\u5e94\u8be5\u80fd\u591f\u7406\u89e3Fluent\u4e2d\u5316\u5b66\u53cd\u5e94\u6a21\u578b\u7684\u57fa\u672c\u539f\u7406\u548c\u8bbe\u7f6e\u65b9\u6cd5&#xff0c;\u5e76\u80fd\u591f\u901a\u8fc7UDF\u81ea\u5b9a\u4e49\u5316\u5b66\u53cd\u5e94\u6a21\u578b\u3002\u5316\u5b66\u53cd\u5e94\u6a21\u578b\u5728\u4eff\u771f\u590d\u6742\u5316\u5b66\u8fc7\u7a0b\u548c\u71c3\u70e7\u8fc7\u7a0b\u4e2d\u5177\u6709\u91cd\u8981\u7684\u5e94\u7528\u4ef7\u503c&#xff0c;\u5e0c\u671b\u60a8\u80fd\u591f\u7075\u6d3b\u8fd0\u7528\u8fd9\u4e9b\u77e5\u8bc6&#xff0c;\u89e3\u51b3\u5b9e\u9645\u5de5\u7a0b\u95ee\u9898\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/08\/20250810222914-68991d3a8193e.jpg\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" 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property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u6d41\u4f53\u52a8\u529b\u5b66\u4eff\u771f\u8f6f\u4ef6\uff1aFluent_\uff0811\uff09.\u5316\u5b66\u53cd\u5e94\u6a21\u578b - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb112\u6b21\uff0c\u70b9\u8d5e4\u6b21\uff0c\u6536\u85cf2\u6b21\u3002\u5728\u67d0\u4e9b\u590d\u6742\u7684\u5e94\u7528\u573a\u666f\u4e2d\uff0cFluent\u5185\u7f6e\u7684\u5316\u5b66\u53cd\u5e94\u6a21\u578b\u53ef\u80fd\u65e0\u6cd5\u6ee1\u8db3\u7279\u5b9a\u7684\u9700\u6c42\u3002\u6b64\u65f6\uff0c\u7528\u6237\u53ef\u4ee5\u901a\u8fc7UDF\uff08User Defined Function\uff09\u81ea\u5b9a\u4e49\u5316\u5b66\u53cd\u5e94\u6a21\u578b\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684UDF\u793a\u4f8b\uff0c\u7528\u4e8e\u5b9a\u4e49\u4e00\u4e2a\u81ea\u5b9a\u4e49\u7684\u5316\u5b66\u53cd\u5e94\u901f\u7387\u3002AB\u2192CAB\u2192C\u53cd\u5e94\u901f\u7387\u5e38\u6570kkk\u4e3a 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