{"id":1508,"date":"2021-10-10T12:21:58","date_gmt":"2021-10-10T03:21:58","guid":{"rendered":"http:\/\/www.miyamoto-lab.com\/?p=1508"},"modified":"2021-10-11T14:02:53","modified_gmt":"2021-10-11T05:02:53","slug":"98fdsgfi","status":"publish","type":"post","link":"https:\/\/www.miyamoto-lab.com\/ja\/2021\/10\/10\/98fdsgfi\/","title":{"rendered":"7. \u7df4\u7fd2\u554f\u984c\u306e\u7b54\u3048\u30fb\uff11"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\" id=\"block-1810f673-5b28-4b30-9c27-9278941353bc\">\u308c\u3092\u5dee\u5206\u5f62\u5f0f\u3067\u66f8\u3044\u3066\u307f\u3088\u3046\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"block-cae4349a-703c-4182-93b1-0a6e51636e0a\">$$\\frac{T_i^{n+1}-T_i^{n}}{\\Delta t}=-u\\frac{T_{i+1}^n-T_i^n}{\\Delta x}$$<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"block-eab42807-aa56-47ae-809d-08be0c4f64c9\">$$T_i^{n+1}=T_i^{n}-u\\frac{\\Delta t}{\\Delta x}(T_{i+1}^n-T_i^n)$$<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"block-1d19d3e9-1c62-4ee4-bdef-68859fcc2d74\">\u3068\u8003\u3048\u308b\u304b\u3082\u3057\u308c\u306a\u3044\u3002\u305d\u308c\u3067\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30b3\u30fc\u30c9\u3067\u3053\u308c\u3092\u691c\u8a0e\u3057\u3066\u307f\u3088\u3046\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-c\" data-lang=\"C\"><code>#include &lt;stdio.h&gt;\n#include &lt;math.h&gt;\n#define u 1.0\n#define dt 0.1\n#define xmax 200\n#define imax 200\n#define tmax 10\n\nint main(void){\n  double dx=(double)xmax\/imax;\n  double x;\n  double T[xmax+1],cfl;\n  int t;\n  cfl=u*dt\/dx;\n  int i;\n  for (i=1; i&lt;=imax; i++){\n    if (i&gt;=10&&i&lt;50)\n      T[i]=1.0;\n    else\n      T[i]=0.0;\n  }\n  for (i=1; i&lt;imax; i++)\n    printf(&quot;%2.2e,&quot;,T[i]);\n  printf(&quot;\\n&quot;);   \n  for (t=1; t&lt;=tmax; t++){\n    for (i=1; i&lt;imax; i++)\n      T[i]=T[i]-cfl*(T[i+1]-T[i]);\n    if (t%1==0){\n      for (i=1; i&lt;imax; i++)\n        printf(&quot;%2.2e,&quot;,T[i]);\n      printf(&quot;\\n&quot;);\n    }\n  }  \n}<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u3082\u3068\u3082\u3068\u3001<\/p>\n\n\n\n<figure class=\"wp-block-image\" id=\"block-79a77c7f-b811-454b-9128-bd85c29fd83a\"><img decoding=\"async\" src=\"https:\/\/www.miyamoto-lab.com\/wp-content\/uploads\/2020\/10\/0.jpg\" alt=\"\u753b\u50cf\u306b alt \u5c5e\u6027\u304c\u6307\u5b9a\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3002\u30d5\u30a1\u30a4\u30eb\u540d: 0.jpg\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"block-5d28b91e-e66e-499e-a600-cf93c5ed583e\">\u306e\u3088\u3046\u306a\u5f62\u3092\u521d\u671f\u6761\u4ef6\u3068\u3057\u3066\u3044\u308b\u3002\u3053\u308c\u304c\u4e00\u5b9a\u901f\u5ea6\u3067\u53f3\u306b\u52d5\u3044\u3066\u884c\u3063\u3066\u3082\u3089\u3044\u305f\u3044\u3068\u8003\u3048\u3066\u3044\u308b\u308f\u3051\u3060\u304c\u3001\u5b9f\u969b\u306b\u306f<\/p>\n\n\n\n<figure class=\"wp-block-image\" id=\"block-3a82a323-882b-4db5-b558-c4837ff79fee\"><img decoding=\"async\" src=\"https:\/\/www.miyamoto-lab.com\/wp-content\/uploads\/2020\/10\/1.jpg\" alt=\"\u753b\u50cf\u306b alt \u5c5e\u6027\u304c\u6307\u5b9a\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3002\u30d5\u30a1\u30a4\u30eb\u540d: 1.jpg\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"block-078a4ad7-641e-4440-aaa7-5c1774b02a31\">\u3068\u306a\u3063\u3066\u3057\u307e\u3044\u3001\u8a08\u7b97\u304c\u5b89\u5b9a\u3057\u3066\u304f\u308c\u306a\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u308c\u3092\u5dee\u5206\u5f62\u5f0f\u3067\u66f8\u3044\u3066\u307f\u3088\u3046\u3002 $$\\frac{T_i^{n+1}-T_i^{n}}{\\Delta t}=-u\\frac{T_{i+1}^n-T_i^n}{\\Delta x}$$ $$T_i^{n+1}=T_i^{n}-u [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_locale":"ja","_original_post":"http:\/\/www.miyamoto-lab.com\/?p=1508","footnotes":""},"categories":[1],"tags":[],"class_list":["post-1508","post","type-post","status-publish","format-standard","hentry","category-uncategorized","ja"],"_links":{"self":[{"href":"https:\/\/www.miyamoto-lab.com\/wp-json\/wp\/v2\/posts\/1508","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.miyamoto-lab.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.miyamoto-lab.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.miyamoto-lab.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.miyamoto-lab.com\/wp-json\/wp\/v2\/comments?post=1508"}],"version-history":[{"count":5,"href":"https:\/\/www.miyamoto-lab.com\/wp-json\/wp\/v2\/posts\/1508\/revisions"}],"predecessor-version":[{"id":1557,"href":"https:\/\/www.miyamoto-lab.com\/wp-json\/wp\/v2\/posts\/1508\/revisions\/1557"}],"wp:attachment":[{"href":"https:\/\/www.miyamoto-lab.com\/wp-json\/wp\/v2\/media?parent=1508"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.miyamoto-lab.com\/wp-json\/wp\/v2\/categories?post=1508"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.miyamoto-lab.com\/wp-json\/wp\/v2\/tags?post=1508"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}