{"id":1105,"date":"2026-01-28T15:25:58","date_gmt":"2026-01-28T07:25:58","guid":{"rendered":"https:\/\/guagefangzhen.cn\/?p=1105"},"modified":"2026-02-09T15:13:56","modified_gmt":"2026-02-09T07:13:56","slug":"%e7%90%86%e8%a7%a3-comsol-%e4%b8%80%e7%bb%b4%e7%bb%98%e5%9b%be%e7%bb%84%e4%b8%ad%e7%9a%84%e5%bc%a7%e9%95%bf%ef%bc%9a%e4%bb%8e%e8%bf%b7%e6%80%9d%e5%88%b0%e6%9c%ac%e8%b4%a8","status":"publish","type":"post","link":"https:\/\/guagefangzhen.cn\/?p=1105","title":{"rendered":"\u7406\u89e3 COMSOL \u4e00\u7ef4\u7ed8\u56fe\u7ec4\u4e2d\u7684&#8221;\u5f27\u957f&#8221;\uff1a\u4ece\u8ff7\u601d\u5230\u672c\u8d28"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\u5f15\u8a00\uff1a\u4e00\u4e2a\u5e38\u89c1\u7684\u56f0\u60d1<\/h2>\n\n\n\n<p>\u5f53\u4f60\u5728 COMSOL \u4e2d\u8fdb\u884c\u540e\u5904\u7406\uff0c\u521b\u5efa<strong>\u4e00\u7ef4\u7ed8\u56fe\u7ec4<\/strong>\uff081D Plot Group\uff09\u5e76\u6dfb\u52a0<strong>\u7ebf\u56fe<\/strong>\uff08Line Graph\uff09\u65f6\uff0cX \u8f74\u6570\u636e\uff08x-Axis Data\uff09\u4e0b\u62c9\u83dc\u5355\u4e2d\u4f1a\u51fa\u73b0\u4e00\u4e2a\u9ed8\u8ba4\u503c\uff1a<strong>Arc length<\/strong>\uff08\u5f27\u957f\uff09\u3002<\/p>\n\n\n\n<p>\u5f88\u591a\u7528\u6237\u4f1a\u56f0\u60d1\uff1a<em>\u6211\u753b\u7684\u662f\u4e00\u6761\u76f4\u7ebf\u6bb5\uff0c\u54ea\u6765\u7684&#8221;\u5f27&#8221;\uff1f\u8fd9\u4e2a\u5f27\u957f\u5230\u5e95\u6307\u4ec0\u4e48\uff1f<\/em><\/p>\n\n\n\n<p>\u5982\u679c\u4f60\u4e5f\u66fe\u76ef\u7740\u6a2a\u5750\u6807\u4e0a\u7684&#8221;\u5f27\u957f&#8221;\u6807\u7b7e\u611f\u5230\u7591\u60d1\uff0c\u8fd9\u7bc7\u6587\u7ae0\u5c06\u5f7b\u5e95\u6f84\u6e05\u8fd9\u4e2a\u6982\u5ff5\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e00\u3001\u76f4\u89c2\u7406\u89e3\uff1a\u5f27\u957f\u5373&#8221;\u6cbf\u7ebf\u884c\u8d70\u7684\u8ddd\u79bb&#8221;<\/h2>\n\n\n\n<p>\u5728 COMSOL \u4e2d\uff0c**\u5f27\u957f\uff08Arc Length\uff09**\u6700\u6734\u7d20\u7684\u5b9a\u4e49\u662f\uff1a<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>\u4ece\u4f60\u8bbe\u5b9a\u7684\u8d77\u70b9\u5f00\u59cb\uff0c\u6cbf\u7740\u6240\u9009\u51e0\u4f55\u8def\u5f84\u7d2f\u79ef\u7684\u5b9e\u9645\u8def\u5f84\u957f\u5ea6\u3002<\/strong><\/p>\n<\/blockquote>\n\n\n\n<p>\u6b63\u5982\u5bc6\u6b47\u6839\u7406\u5de5\u5927\u5b66 CFD \u8bfe\u7a0b\u6559\u7a0b\u4e2d\u7684\u7ecf\u5178\u89e3\u91ca\uff1a<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><em>&#8220;Arc Length means for the cut line you selected, move along the contour of the line, wherever it goes.&#8221;<\/em><\/p>\n<\/blockquote>\n\n\n\n<p>\uff08&#8221;\u5f27\u957f&#8221;\u610f\u5473\u7740\u5bf9\u4e8e\u4f60\u9009\u4e2d\u7684\u5207\u5272\u7ebf\uff0c\u6cbf\u7740\u8fd9\u6761\u7ebf\u7684\u8f6e\u5ed3\u79fb\u52a8\uff0c\u65e0\u8bba\u5b83\u901a\u5411\u4f55\u5904\u3002\uff09<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5173\u952e\u7279\u5f81\uff1a<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u7269\u7406\u610f\u4e49\u660e\u786e<\/strong>\uff1a\u6a2a\u5750\u6807\u7684\u6570\u503c\u76f4\u63a5\u5bf9\u5e94\u5b9e\u9645\u7a7a\u95f4\u4e2d\u7684\u8ddd\u79bb\uff08\u5355\u4f4d\u901a\u5e38\u662f mm \u6216 m\uff09<\/li>\n\n\n\n<li><strong>\u8def\u5f84\u8ddf\u968f\u6027<\/strong>\uff1a\u5373\u4f7f\u4f60\u7684&#8221;\u5207\u5272\u7ebf&#8221;\uff08Cut Line\uff09\u662f\u5f2f\u66f2\u7684\uff0c\u5f27\u957f\u4e5f\u4f1a\u6cbf\u7740\u66f2\u7ebf\u7d2f\u79ef\uff0c\u800c\u975e\u7b80\u5355\u7684 x \u6216 y \u6295\u5f71<\/li>\n\n\n\n<li><strong>\u8d77\u70b9\u5f52\u96f6<\/strong>\uff1a\u5f27\u957f\u5728\u8def\u5f84\u7684\u8d77\u59cb\u70b9\u59cb\u7ec8\u4e3a 0\uff0c\u5411\u7ec8\u70b9\u65b9\u5411\u9012\u589e<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e8c\u3001\u6570\u5b66\u672c\u8d28\uff1a\u5f27\u957f\u53c2\u6570\u5316<\/h2>\n\n\n\n<p>\u4ece\u5fae\u5206\u51e0\u4f55\u89d2\u5ea6\uff0cCOMSOL \u4e2d\u7684\u5f27\u957f\u5bf9\u5e94<strong>\u5f27\u957f\u53c2\u6570\u5316<\/strong>\uff08Arc-length Parameterization\uff09\u3002<\/p>\n\n\n\n<p>\u5bf9\u4e8e\u7a7a\u95f4\u4e2d\u4efb\u610f\u66f2\u7ebf <math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\"><semantics><mrow><mover accent=\"true\"><mi>r<\/mi><mo>\u20d7<\/mo><\/mover><mo stretchy=\"false\">(<\/mo><mi>t<\/mi><mo stretchy=\"false\">)<\/mo><\/mrow><annotation encoding=\"application\/x-tex\">\\vec{r}(t)<\/annotation><\/semantics><\/math>r(t)\uff0c\u5176\u5f27\u957f <math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\"><semantics><mrow><mi>s<\/mi><\/mrow><annotation encoding=\"application\/x-tex\">s<\/annotation><\/semantics><\/math>s \u5b9a\u4e49\u4e3a\uff1a<math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"block\"><semantics><mrow><mi>s<\/mi><mo stretchy=\"false\">(<\/mo><mi>t<\/mi><mo stretchy=\"false\">)<\/mo><mo>=<\/mo><msubsup><mo>\u222b<\/mo><mi>a<\/mi><mi>t<\/mi><\/msubsup><mi mathvariant=\"normal\">\u2225<\/mi><msup><mover accent=\"true\"><mi>r<\/mi><mo>\u20d7<\/mo><\/mover><mo mathvariant=\"normal\" lspace=\"0em\" rspace=\"0em\">\u2032<\/mo><\/msup><mo stretchy=\"false\">(<\/mo><mi>\u03c4<\/mi><mo stretchy=\"false\">)<\/mo><mi mathvariant=\"normal\">\u2225<\/mi><mtext>\u2009<\/mtext><mi>d<\/mi><mi>\u03c4<\/mi><\/mrow><annotation encoding=\"application\/x-tex\">s(t) = \\int_{a}^{t} \\|\\vec{r}'(\\tau)\\| \\, d\\tau<\/annotation><\/semantics><\/math>s(t)=\u222bat\u200b\u2225r\u2032(\u03c4)\u2225d\u03c4<\/p>\n\n\n\n<p>\u5176\u4e2d\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\"><semantics><mrow><mover accent=\"true\"><mi>r<\/mi><mo>\u20d7<\/mo><\/mover><mo stretchy=\"false\">(<\/mo><mi>t<\/mi><mo stretchy=\"false\">)<\/mo><\/mrow><annotation encoding=\"application\/x-tex\">\\vec{r}(t)<\/annotation><\/semantics><\/math>r(t) \u662f\u66f2\u7ebf\u7684\u53c2\u6570\u65b9\u7a0b<\/li>\n\n\n\n<li><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\"><semantics><mrow><mi mathvariant=\"normal\">\u2225<\/mi><msup><mover accent=\"true\"><mi>r<\/mi><mo>\u20d7<\/mo><\/mover><mo mathvariant=\"normal\" lspace=\"0em\" rspace=\"0em\">\u2032<\/mo><\/msup><mo stretchy=\"false\">(<\/mo><mi>\u03c4<\/mi><mo stretchy=\"false\">)<\/mo><mi mathvariant=\"normal\">\u2225<\/mi><\/mrow><annotation encoding=\"application\/x-tex\">\\|\\vec{r}'(\\tau)\\|<\/annotation><\/semantics><\/math>\u2225r\u2032(\u03c4)\u2225 \u8868\u793a\u901f\u5ea6\u5411\u91cf\u7684\u6a21\u957f\uff08\u5373\u77ac\u65f6\u5207\u5411\u91cf\u7684\u957f\u5ea6\uff09<\/li>\n\n\n\n<li>\u79ef\u5206\u4ece\u8d77\u70b9 <math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\"><semantics><mrow><mi>a<\/mi><\/mrow><annotation encoding=\"application\/x-tex\">a<\/annotation><\/semantics><\/math>a \u7d2f\u79ef\u5230\u5f53\u524d\u53c2\u6570 <math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\"><semantics><mrow><mi>t<\/mi><\/mrow><annotation encoding=\"application\/x-tex\">t<\/annotation><\/semantics><\/math>t<\/li>\n<\/ul>\n\n\n\n<p>\u5f53\u4f7f\u7528\u5f27\u957f <math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\"><semantics><mrow><mi>s<\/mi><\/mrow><annotation encoding=\"application\/x-tex\">s<\/annotation><\/semantics><\/math>s \u4f5c\u4e3a\u53c2\u6570\u65f6\uff0c\u66f2\u7ebf\u6ee1\u8db3<strong>\u5355\u4f4d\u901f\u5ea6<\/strong>\u6761\u4ef6\uff1a<math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"block\"><semantics><mrow><mi mathvariant=\"normal\">\u2225<\/mi><mfrac><mrow><mi>d<\/mi><mover accent=\"true\"><mi>r<\/mi><mo>\u20d7<\/mo><\/mover><\/mrow><mrow><mi>d<\/mi><mi>s<\/mi><\/mrow><\/mfrac><mi mathvariant=\"normal\">\u2225<\/mi><mo>=<\/mo><mn>1<\/mn><\/mrow><annotation encoding=\"application\/x-tex\">\\|\\frac{d\\vec{r}}{ds}\\| = 1<\/annotation><\/semantics><\/math>\u2225dsdr\u200b\u2225=1<\/p>\n\n\n\n<p>\u8fd9\u610f\u5473\u7740\uff1a<strong>\u5f27\u957f\u5750\u6807\u6bcf\u589e\u52a0 1 \u7c73\uff0c\u4f60\u5c31\u786e\u5207\u5730\u5728\u7a7a\u95f4\u4e2d\u79fb\u52a8\u4e86 1 \u7c73<\/strong>\u2014\u2014\u6ca1\u6709\u7578\u53d8\uff0c\u6ca1\u6709\u7f29\u653e\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e09\u3001COMSOL \u4e2d\u7684\u5177\u4f53\u5b9e\u73b0<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u4f55\u65f6\u4f1a\u51fa\u73b0&#8221;\u5f27\u957f&#8221;\uff1f<\/h3>\n\n\n\n<p>\u5728\u4ee5\u4e0b\u6570\u636e\u96c6\u7684<strong>\u7ebf\u56fe<\/strong>\u4e2d\uff0cX \u8f74\u53ef\u9009\u62e9 Arc length\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Cut Line 2D \/ 3D<\/strong>\uff08\u5207\u5272\u7ebf\uff09<\/li>\n\n\n\n<li><strong>Edge<\/strong>\uff08\u51e0\u4f55\u8fb9\uff09<\/li>\n\n\n\n<li><strong>Parametric Curve<\/strong>\uff08\u53c2\u6570\u5316\u66f2\u7ebf\uff09<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u65b9\u5411\u63a7\u5236<\/h3>\n\n\n\n<p>COMSOL \u63d0\u4f9b\u4e86\u4e24\u4e2a\u76f8\u5173\u9009\u9879\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Arc length<\/strong>\uff1a\u4ece\u8d77\u70b9\u5230\u7ec8\u70b9\uff0c\u6cbf\u66f2\u7ebf\u65b9\u5411\u9012\u589e<\/li>\n\n\n\n<li><strong>Reversed arc length<\/strong>\uff1a\u53cd\u5411\uff0c\u4ece\u7ec8\u70b9\u6307\u5411\u8d77\u70b9<\/li>\n<\/ul>\n\n\n\n<p>\u8fd9\u5141\u8bb8\u4f60\u81ea\u7531\u63a7\u5236\u7ed8\u56fe\u7684\u65b9\u5411\uff0c\u786e\u4fdd\u6570\u636e\u6d41\u7b26\u5408\u7269\u7406\u76f4\u89c9\uff08\u4f8b\u5982\u4ece\u5165\u53e3\u5230\u51fa\u53e3\uff09\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. \u4e0e&#8221;\u8868\u8fbe\u5f0f&#8221;\uff08Expression\uff09\u7684\u533a\u522b<\/h3>\n\n\n\n<p>\u4f60\u53ef\u4ee5\u5c06 X \u8f74\u4ece Arc length \u5207\u6362\u4e3a Expression\uff08\u5982 <code>x<\/code>, <code>y<\/code>, <code>z<\/code> \u6216 <code>sqrt(x^2+y^2)<\/code>\uff09\uff0c\u8fd9\u5b9e\u8d28\u4e0a\u662f<strong>\u6295\u5f71<\/strong>\u5230\u67d0\u4e2a\u5750\u6807\u8f74\u6216\u81ea\u5b9a\u4e49\u5ea6\u91cf\u4e0a\u3002\u800c Arc length \u4fdd\u6301<strong>\u5185\u7980<\/strong>\uff08intrinsic\uff09\u7279\u6027\u2014\u2014\u5b83\u53ea\u5173\u5fc3\u4f60\u5728\u66f2\u7ebf\u4e0a\u8d70\u4e86\u591a\u8fdc\uff0c\u4e0d\u5173\u5fc3\u66f2\u7ebf\u5728\u7a7a\u95f4\u4e2d\u7684\u671d\u5411\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u56db\u3001\u4e3a\u4ec0\u4e48\u4f7f\u7528\u5f27\u957f\uff1f\u4e09\u5927\u4f18\u52bf<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u51e0\u4f55\u65e0\u5173\u6027<\/h3>\n\n\n\n<p>\u65e0\u8bba\u5207\u5272\u7ebf\u662f\u76f4\u7ebf\u3001\u5706\u5f27\u8fd8\u662f\u4efb\u610f\u6837\u6761\u66f2\u7ebf\uff0c\u5f27\u957f\u5750\u6807\u63d0\u4f9b\u4e86<strong>\u7edf\u4e00\u7684\u5ea6\u91cf\u57fa\u51c6<\/strong>\u3002\u4f60\u53ef\u4ee5\u6bd4\u8f83\u4e24\u6761\u4e0d\u540c\u5f62\u72b6\u8fb9\u754c\u4e0a\u7684\u538b\u529b\u5206\u5e03\uff0c\u53ea\u8981\u5b83\u4eec\u7684\u5f27\u957f\u8303\u56f4\u76f8\u540c\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u7269\u7406\u76f4\u89c2\u6027<\/h3>\n\n\n\n<p>\u5728\u6d41\u4f53\u529b\u5b66\u4e2d\uff0c\u6cbf\u58c1\u9762\u7684\u8ddd\u79bb\uff1b\u5728\u4f20\u70ed\u4e2d\uff0c\u6cbf\u6563\u70ed\u5668\u7fc5\u7247\u7684\u957f\u5ea6\u2014\u2014\u8fd9\u4e9b<strong>\u8fc7\u7a0b\u91cf<\/strong>\u5929\u7136\u4ee5\u8def\u5f84\u957f\u5ea6\u8861\u91cf\uff0c\u800c\u975e\u7b1b\u5361\u5c14\u5750\u6807\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. \u540e\u5904\u7406\u7075\u6d3b\u6027<\/h3>\n\n\n\n<p>\u5f53\u4f60\u4f7f\u7528<strong>\u9644\u52a0\u5e73\u884c\u7ebf<\/strong>\uff08Additional parallel lines\uff09\u751f\u6210\u4e00\u7cfb\u5217\u5207\u5272\u7ebf\u65f6\uff0c\u6bcf\u6761\u7ebf\u7684\u51e0\u4f55\u5750\u6807\u7cfb\u4e0d\u540c\uff0c\u4f46\u5f27\u957f\u5750\u6807\u5c06\u5b83\u4eec\u7edf\u4e00\u5230\u4e86\u76f8\u540c\u7684\u5c40\u90e8 1D \u5750\u6807\u7cfb\u4e2d\uff0c\u4fbf\u4e8e\u6279\u91cf\u6bd4\u8f83\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e94\u3001\u5b9e\u6218\u793a\u4f8b<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u793a\u4f8b 1\uff1a\u5f2f\u66f2\u7ba1\u9053\u4e2d\u7684\u538b\u529b\u964d<\/h3>\n\n\n\n<p>\u5047\u8bbe\u4f60\u5efa\u6a21\u4e86\u4e00\u4e2a S \u5f62\u5f2f\u7ba1\uff0c\u60f3\u67e5\u770b\u6cbf\u7ba1\u58c1\u7684\u538b\u529b\u5206\u5e03\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4f7f\u7528 Cut Line 3D \u6cbf\u7ba1\u4e2d\u5fc3\u7ebf\u521b\u5efa\u5207\u5272\u7ebf<\/li>\n\n\n\n<li>\u9009\u62e9 Arc length \u4f5c\u4e3a X \u8f74\uff0cY \u8f74\u9009\u62e9 <code>p<\/code>\uff08\u538b\u529b\uff09<\/li>\n\n\n\n<li>\u6240\u5f97\u66f2\u7ebf\u5b8c\u7f8e\u5c55\u793a<strong>\u538b\u529b\u968f\u6d41\u7ecf\u8ddd\u79bb\u7684\u53d8\u5316<\/strong>\uff0c\u800c\u975e\u968f x \u5750\u6807\u7684\u53d8\u5316<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u793a\u4f8b 2\uff1a\u8fb9\u754c\u5c42\u901f\u5ea6\u5256\u9762<\/h3>\n\n\n\n<p>\u5728\u5e73\u677f\u6d41\u52a8\u4e2d\uff0c\u4f60\u521b\u5efa\u5782\u76f4\u4e8e\u58c1\u9762\u7684\u591a\u6761\u5207\u5272\u7ebf\u67e5\u770b\u901f\u5ea6\u8fb9\u754c\u5c42\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u82e5\u9009\u62e9 <code>y<\/code>\uff08\u5782\u76f4\u5750\u6807\uff09\uff0c\u4e0d\u540c x \u4f4d\u7f6e\u7684\u66f2\u7ebf\u56e0\u5f53\u5730\u7f51\u683c\u4e0d\u540c\u96be\u4ee5\u5bf9\u9f50<\/li>\n\n\n\n<li>\u82e5\u9009\u62e9 Arc length\uff0c\u6240\u6709\u66f2\u7ebf\u90fd\u4ece 0\uff08\u58c1\u9762\uff09\u5f00\u59cb\uff0c\u4fbf\u4e8e\u53e0\u52a0\u6bd4\u8f83\u65e0\u91cf\u7eb2\u5316\u5256\u9762<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u516d\u3001\u8fdb\u9636\u6280\u5de7\u4e0e\u907f\u5751\u6307\u5357<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u6280\u5de7 1\uff1a\u5f52\u4e00\u5316\u5f27\u957f<\/h3>\n\n\n\n<p>\u6709\u65f6\u4f60\u60f3\u6bd4\u8f83\u4e0d\u540c\u957f\u5ea6\u7684\u8fb9\u754c\uff08\u5982\u77ed\u7fc5\u7247 vs \u957f\u7fc5\u7247\uff09\uff0c\u53ef\u5728 X \u8f74\u8868\u8fbe\u5f0f\u4e2d\u4f7f\u7528\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"520\" height=\"102\" data-src=\"https:\/\/guagefangzhen.cn\/wp-content\/uploads\/2026\/01\/53533461-0d41-4213-8ffd-d035ac2962fe.png\" alt=\"\" class=\"wp-image-1106 lazyload\" data-srcset=\"https:\/\/guagefangzhen.cn\/wp-content\/uploads\/2026\/01\/53533461-0d41-4213-8ffd-d035ac2962fe.png 520w, https:\/\/guagefangzhen.cn\/wp-content\/uploads\/2026\/01\/53533461-0d41-4213-8ffd-d035ac2962fe-300x59.png 300w\" data-sizes=\"(max-width: 520px) 100vw, 520px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 520px; --smush-placeholder-aspect-ratio: 520\/102;\" \/><\/figure>\n\n\n\n<p>\u5176\u4e2d <code>s<\/code> \u662f\u5f27\u957f\u53d8\u91cf\uff0c<code>length<\/code> \u662f\u51e0\u4f55\u53c2\u6570\u6216\u79ef\u5206\u503c\uff0c\u5b9e\u73b0<strong>\u5f52\u4e00\u5316\u4f4d\u7f6e<\/strong> \u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6280\u5de7 2\uff1a\u4e0e\u51e0\u4f55\u53d8\u91cf\u7ed3\u5408<\/h3>\n\n\n\n<p>COMSOL \u5185\u90e8\u4f7f\u7528\u53d8\u91cf <code>edgparal<\/code> \u8868\u793a\u5f27\u957f\u53c2\u6570\uff0c<code>edgparnal<\/code> \u8868\u793a\u5f52\u4e00\u5316\u5f27\u957f\u53c2\u6570\uff080 \u5230 1\uff09\u3002\u5728\u81ea\u5b9a\u4e49\u8868\u8fbe\u5f0f\u4e2d\u53ef\u76f4\u63a5\u8c03\u7528\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u26a0\ufe0f \u907f\u5751\uff1a\u95ed\u5408\u73af\u8def\u7684\u8d77\u70b9<\/h3>\n\n\n\n<p>\u5bf9\u4e8e\u95ed\u5408\u8fb9\u754c\uff08\u5982\u5706\uff09\uff0cCOMSOL \u4f1a\u81ea\u52a8\u9009\u53d6\u4e00\u4e2a\u8d77\u70b9\uff08\u901a\u5e38\u662f\u53c2\u6570\u5316\u8d77\u70b9\uff09\u3002\u5982\u679c\u4f60\u53d1\u73b0\u5f27\u957f\u56fe\u51fa\u73b0&#8221;\u65ad\u5c42&#8221;\u6216\u7a81\u53d8\uff0c\u68c0\u67e5\u5207\u5272\u7ebf\u662f\u5426\u8de8\u8d8a\u4e86\u51e0\u4f55\u63a5\u7f1d\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u603b\u7ed3<\/h2>\n\n\n\n<p>COMSOL \u4e00\u7ef4\u7ed8\u56fe\u7ec4\u4e2d\u7684<strong>\u5f27\u957f<\/strong>\uff0c\u672c\u8d28\u4e0a\u662f<strong>\u6cbf\u6307\u5b9a\u8def\u5f84\u7684\u5185\u7980\u8ddd\u79bb\u5750\u6807<\/strong>\u3002\u5b83\u4e0d\u662f\u8f6f\u4ef6\u7684\u968f\u610f\u8bbe\u5b9a\uff0c\u800c\u662f\u5fae\u5206\u51e0\u4f55\u4e2d\u5f27\u957f\u53c2\u6570\u5316\u7684\u5de5\u7a0b\u5b9e\u73b0\u3002<\/p>\n\n\n\n<p>\u7406\u89e3\u8fd9\u4e00\u70b9\uff0c\u4f60\u5c31\u80fd\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u81ea\u4fe1\u5730\u89e3\u91ca\u6a2a\u5750\u6807\u7684\u7269\u7406\u610f\u4e49<\/li>\n\n\n\n<li>\u7075\u6d3b\u9009\u62e9 Arc length vs. \u5750\u6807\u6295\u5f71<\/li>\n\n\n\n<li>\u5904\u7406\u590d\u6742\u51e0\u4f55\u8def\u5f84\u7684\u540e\u5904\u7406\u7ed3\u679c<\/li>\n<\/ul>\n\n\n\n<p>\u4e0b\u6b21\u5f53\u4f60\u770b\u5230\u5f27\u957f\u4ece 0 \u5ef6\u4f38\u5230 20 mm \u65f6\uff0c\u4f60\u77e5\u9053\uff1a\u8fd9\u4e0d\u662f\u51e0\u4f55\u5728&#8221;\u5f2f\u66f2&#8221;\uff0c\u800c\u662f<strong>\u6570\u636e\u5728\u6cbf\u7740\u4f60\u5173\u6ce8\u7684\u771f\u5b9e\u8def\u5f84\u5c55\u5f00<\/strong>\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><strong>\u53c2\u8003\u9605\u8bfb\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>COMSOL Reference Manual: Line Graph Node<\/li>\n\n\n\n<li>MTU CM3110 CFD Lab Notes: Arc Length Explanation<\/li>\n\n\n\n<li>COMSOL Forum: &#8220;What does Arc Length mean&#8221; Discussion<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"374\" data-src=\"http:\/\/guagefangzhen.cn\/wp-content\/uploads\/2025\/11\/\u626b\u7801_\u641c\u7d22\u8054\u5408\u4f20\u64ad\u6837\u5f0f-\u6807\u51c6\u8272\u7248-1024x374.png\" alt=\"\" class=\"wp-image-999 lazyload\" data-srcset=\"https:\/\/guagefangzhen.cn\/wp-content\/uploads\/2025\/11\/\u626b\u7801_\u641c\u7d22\u8054\u5408\u4f20\u64ad\u6837\u5f0f-\u6807\u51c6\u8272\u7248-1024x374.png 1024w, https:\/\/guagefangzhen.cn\/wp-content\/uploads\/2025\/11\/\u626b\u7801_\u641c\u7d22\u8054\u5408\u4f20\u64ad\u6837\u5f0f-\u6807\u51c6\u8272\u7248-300x109.png 300w, https:\/\/guagefangzhen.cn\/wp-content\/uploads\/2025\/11\/\u626b\u7801_\u641c\u7d22\u8054\u5408\u4f20\u64ad\u6837\u5f0f-\u6807\u51c6\u8272\u7248-768x280.png 768w, https:\/\/guagefangzhen.cn\/wp-content\/uploads\/2025\/11\/\u626b\u7801_\u641c\u7d22\u8054\u5408\u4f20\u64ad\u6837\u5f0f-\u6807\u51c6\u8272\u7248-1536x561.png 1536w, https:\/\/guagefangzhen.cn\/wp-content\/uploads\/2025\/11\/\u626b\u7801_\u641c\u7d22\u8054\u5408\u4f20\u64ad\u6837\u5f0f-\u6807\u51c6\u8272\u7248-624x228.png 624w, https:\/\/guagefangzhen.cn\/wp-content\/uploads\/2025\/11\/\u626b\u7801_\u641c\u7d22\u8054\u5408\u4f20\u64ad\u6837\u5f0f-\u6807\u51c6\u8272\u7248.png 1710w\" data-sizes=\"(max-width: 1024px) 100vw, 1024px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1024px; --smush-placeholder-aspect-ratio: 1024\/374;\" \/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5f15\u8a00\uff1a\u4e00\u4e2a\u5e38\u89c1\u7684\u56f0\u60d1 \u5f53\u4f60\u5728 COMSOL \u4e2d\u8fdb\u884c\u540e\u5904\u7406\uff0c\u521b\u5efa\u4e00\u7ef4\u7ed8\u56fe\u7ec4\uff081D Plot Group\uff09\u5e76\u6dfb\u52a0\u7ebf [&hellip;]<\/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-1105","post","type-post","status-publish","format-standard","hentry","category-comsol"],"_links":{"self":[{"href":"https:\/\/guagefangzhen.cn\/index.php?rest_route=\/wp\/v2\/posts\/1105","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=1105"}],"version-history":[{"count":3,"href":"https:\/\/guagefangzhen.cn\/index.php?rest_route=\/wp\/v2\/posts\/1105\/revisions"}],"predecessor-version":[{"id":1116,"href":"https:\/\/guagefangzhen.cn\/index.php?rest_route=\/wp\/v2\/posts\/1105\/revisions\/1116"}],"wp:attachment":[{"href":"https:\/\/guagefangzhen.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1105"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/guagefangzhen.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1105"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/guagefangzhen.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1105"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}