{"id":218,"date":"2019-09-03T14:08:41","date_gmt":"2019-09-03T05:08:41","guid":{"rendered":"https:\/\/www.ssil.co.jp\/product\/EMSolution2\/?post_type=case&p=218"},"modified":"2022-09-20T16:11:03","modified_gmt":"2022-09-20T07:11:03","slug":"steady_current_method","status":"publish","type":"case","link":"https:\/\/www.ssil.co.jp\/product\/EMSolution\/case\/steady_current_method\/","title":{"rendered":"\u76f4\u6d41\u5834\u6e26\u96fb\u6d41\u89e3\u6790\u6cd5"},"content":{"rendered":"

\u6982\u8981<\/h3>\n

\u3053\u3053\u3067\u306f\u3001\u4e00\u5b9a\u904b\u52d5\u3092\u3057\u3066\u3044\u308b\u5c0e\u4f53\u5185\u306e\u65b9\u7a0b\u5f0f\u306b\u3064\u3044\u3066\u8ff0\u3079\u307e\u3059\u3002 <\/p>\n

\u89e3\u8aac<\/h3>\n

\u4ed6\u306e\u9818\u57df\u306e\u65b9\u7a0b\u5f0f\u306f\u3001\u5f93\u6765\u306e\u9759\u78c1\u5834\u89e3\u6790\u3068\u5168\u304f\u540c\u69d8\u3067\u3042\u308a\u3001\u307e\u305f\u3001\u53d6\u308a\u6271\u3044\u3082\u5909\u308f\u308a\u307e\u305b\u3093\u3002
\n\u901a\u5e38\u306e\u6e26\u96fb\u6d41\u89e3\u6790\u3068\u540c\u69d8\u306b\u3001$A$-$\\phi$\u6cd5\u3092\u7528\u3044\u307e\u3059\u3002
\n\u3059\u306a\u308f\u3061\u3001\u78c1\u5834\u304a\u3088\u3073\u96fb\u5834\u3092\u78c1\u6c17\u30d9\u30af\u30c8\u30eb\u30dd\u30c6\u30f3\u30b7\u30e3\u30eb$A$\u3068\u96fb\u6c17\u30b9\u30ab\u30e9\u30dd\u30c6\u30f3\u30b7\u30e3\u30eb\uff08$\\phi$\u306e\u6642\u9593\u7a4d\u5206\uff09$\\Phi$\u306b\u3088\u308a\u6b21\u306e\u3088\u3046\u306b\u8868\u73fe\u3057\u307e\u3059\u3002 <\/p>\n

$$B = \\nabla \u00d7 A\u3000\u3000\u3000\u3000\u3000(1)$$<\/p>\n

$$E = -\\dot{A} – \\nabla \\dot{\\Phi}\u3000\u3000\u3000\u3000\u3000(2)$$<\/p>\n

\u904b\u52d5\u5c0e\u4f53\u306e\u69cb\u6210\u65b9\u7a0b\u5f0f\u306f\u3001\u901a\u5e38\u3068\u540c\u3058\u3088\u3046\u306b\u6b21\u306e\u95a2\u4fc2\u3067\u8868\u3055\u308c\u307e\u3059\u3002\u3053\u3053\u3067\u3001$\\sigma$ \u306f\u5c0e\u96fb\u7387\u3067\u3059\u3002\u3053\u3053\u3067\u306f\u3001\u904b\u52d5\u3059\u308b\u5c0e\u4f53\u306b\u56fa\u5b9a\u3057\u305f\u5ea7\u6a19\u7cfb\u3092\u7528\u3044\u307e\u3059\u306e\u3067\u3001$\\nu\u00d7B$\u306e\u904b\u52d5\u9805\u306f\u73fe\u308c\u307e\u305b\u3093\u3002<\/p>\n

$$J = \\sigma E\u3000\u3000\u3000\u3000\u3000(3) $$<\/p>\n

\u6b21\u306e\u30a2\u30f3\u30da\u30a2\u5247\u3068\u96fb\u6d41\u4fdd\u5b58\u306e\u5f0f<\/p>\n

$$\\nabla \\times H = J\u3000\u3000\u3000\u3000\u3000(4)$$<\/p>\n

$$\\nabla \\cdot J = 0\u3000\u3000\u3000\u3000\u3000(5)$$<\/p>\n

\u306b\uff081)(2)(3)\u5f0f\u3092\u4ee3\u5165\u3057\u307e\u3059\u3068\u3001\u6b21\u306e\u89e3\u304f\u3079\u304d\u652f\u914d\u65b9\u7a0b\u5f0f\u304c\u5c0e\u51fa\u3055\u308c\u307e\u3059\u3002 <\/p>\n

$$\\nabla \\times \\frac{1}{\\mu} \\nabla \\times A + \\sigma ( \\dot{A} + \\nabla \\dot{\\Phi} ) = 0\u3000\u3000\u3000\u3000\u3000(6)$$<\/p>\n

$$- \\nabla \\sigma ( \\dot{A} + \\nabla \\dot{\\Phi} ) = 0\u3000\u3000\u3000\u3000\u3000(7)$$<\/p>\n

\u76f4\u6d41\u5834\u6e26\u96fb\u6d41\u89e3\u6790\u3067\u306f\uff087\uff09\u5f0f\u306b\u304a\u3051\u308b\u6642\u9593\u5fae\u5206\u306b\u5bfe\u3057\u3066\u3001\u98a8\u4e0a\u5dee\u5206\u3092\u3068\u308a\u307e\u3059\u3002
\n\u6709\u9650\u8981\u7d20\u30e1\u30c3\u30b7\u30e5\u304cFig.1\u306e\u69d8\u306b\u904b\u52d5\u65b9\u5411\u306b\u7b49\u9593\u9694\u306b\u5206\u5272\u3055\u308c\u3066\u3044\u308b\u3068\u3057\u307e\u3059\u3002
\n\u56de\u8ee2\u306e\u5834\u5408\u306f\u3001\u7b49\u89d2\u5ea6\u5206\u5272\u3068\u3057\u307e\u3059\u3002
\n$A$\u306b\u5bfe\u3059\u308b\u672a\u77e5\u5909\u6570\u306f\u8fba\u4e0a\u306b\u3001$\\Phi$\u306b\u5bfe\u3059\u308b\u5909\u6570\u306f\u7bc0\u70b9\u306b\u5272\u308a\u632f\u3089\u308c\u307e\u3059\u3002
\n\u8fba$e$\u306b\u5bfe\u3059\u308b$A$\u306e\u5909\u6570\u3092$A^e$\u3068\u8868\u3057\u3001\u7bc0\u70b9$n$ \u306b\u5bfe\u3059\u308b\u5909\u6570\u3092$\\Phi^n$\u3068\u3057\u307e\u3059\u3002
\n\u8fba$e$\u306b\u5bfe\u3057\u3066\u30011\u30e1\u30c3\u30b7\u30e5\u904b\u52d5\u306e\u98a8\u4e0a\u5074\u306b\u3042\u308b\u8fba\u3092$\\tilde{e}$\u3068\u3067\u8868\u3057\u3001\u7bc0\u70b9$n$\u306b\u5bfe\u3057\u3066\u306f\u3068$\\tilde{n}$\u8868\u3057\u307e\u3059\u3002 <\/p>\n

\n
\n
\n \"\"<\/a><\/p>\n

Fig.1\u3000\u904b\u52d5\u5c0e\u4f53\u306e\u8981\u7d20\u5206\u5272<\/p>\n<\/p><\/div>\n<\/div>\n

\u3053\u306e\u3068\u304d\u3001\u98a8\u4e0a\u6642\u9593\u5dee\u5206\u306f\u3001 <\/p>\n

$$\\dot{A^e} \\approx \\frac{1}{\\delta t} ( A^e – A^{\\tilde{e}} )\u3000\u3000\u3000\u3000\u3000(8)$$<\/p>\n

$$\\dot{\\Phi} \\approx \\frac{1}{\\delta t} ( \\Phi^n – \\Phi^{\\tilde{n}} )\u3000\u3000\u3000\u3000\u3000(9)$$<\/p>\n

\u3068\u8868\u3055\u308c\u307e\u3059\u3002
\n\u3053\u3053\u3067\u3001$\u03b4t$\u306f\u5c0e\u4f53\u304c1\u30e1\u30c3\u30b7\u30e5\u904b\u52d5\u3059\u308b\u6642\u9593\u3067 $h$\/\u03bd<\/b>\u3067\u4e0e\u3048\u3089\u308c\u307e\u3059\u3002
\n\uff086\uff09\u5f0f\u306b\u30ac\u30e9\u30fc\u30ad\u30f3\u6cd5\u3092\u9069\u7528\u3057\u3001\uff088\uff09\uff089\uff09\u5f0f\u3092\u7528\u3044\u3066\u65b9\u7a0b\u5f0f\u3092\u89e3\u304d\u307e\u3059\u3002
\n\u5168\u4f53\u884c\u5217\u306f\u975e\u5bfe\u79f0\u884c\u5217\u3068\u306a\u308a\u3001\u5f93\u6765\u306eICCG\u6cd5\u306f\u4f7f\u3048\u305a\u3001\u975e\u5bfe\u79f0\u884c\u5217\u89e3\u6cd5\u304c\u5fc5\u8981\u3067\u3059\u3002
\n\u3053\u3053\u3067\u306e\u5b9a\u5f0f\u5316\u3067\u306f$A$-$\\phi$\u6cd5\u3092\u7528\u3044\u307e\u3057\u305f\u304c$\\phi$\u3092\u9664\u3044\u305fA\u6cd5\u3067\u3082\u5b9a\u5f0f\u5316\u3067\u304d\u307e\u3059\u3002
\n\u4e0a\u306e\u5b9a\u5f0f\u3067$\\Phi$\u3092\u9664\u304f\u3060\u3051\u3067\u3059\u3002
\n\u901a\u5e38\u306e\u6e26\u96fb\u6d41\u89e3\u6790\u3068\u540c\u69d8\u306b\u3001$A$-$\\phi$\u6cd5\u306e\u65b9\u304c\u5909\u6570\u306f\u5897\u3048\u307e\u3059\u304c\u3001\u53ce\u675f\u306f\u65e9\u304f\u306a\u308a\u307e\u3059\u3002
\n\u307e\u305f\u3001\uff082\uff09\u5f0f\u306b\u304a\u3044\u3066\u3001EMSolution\u306b\u304a\u3051\u308b\u904e\u6e21\u89e3\u6790\u3067\u306e$A$\u3068$\\phi$\u306e\u53d6\u308a\u6271\u3044\u3068\u540c\u3058\u306b\u3059\u308b\u305f\u3081\u3001$\\phi$\u306e\u6642\u9593\u7a4d\u5206\u91cf$\\Phi$\u3092\u7528\u3044\u307e\u3057\u305f\u304c\u3001$\\phi$\u3092\u76f4\u63a5\u7528\u3044\u308b\u3053\u3068\u3082\u53ef\u80fd\u3068\u3057\u307e\u3057\u305f\u3002
\n\u3053\u306e\u5834\u5408\u304c\u3082\u3063\u3068\u3082\u53ce\u675f\u304c\u65e9\u3044\u3088\u3046\u3067\u3059\u3002
\n\u305f\u3060\u3057\u3001\u904e\u6e21\u89e3\u6790\u3067\u306f\uff082\uff09\u5f0f\u306e\u53d6\u308a\u6271\u3044\u3092\u3057\u3066\u3044\u307e\u3059\u306e\u3067\u3001 \u76f4\u6d41\u5834\u6e26\u96fb\u6d41\u89e3\u6790\u7d50\u679c\u3092\u521d\u671f\u5024\u3068\u3057\u3066\u904e\u6e21\u89e3\u6790\u3092\u59cb\u3081\u308b\u5834\u5408\u306f\u3001\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002
\n\u3059\u306a\u308f\u3061\u3001\u4ee5\u4e0b\u306e3\u7a2e\u306e\u53d6\u308a\u6271\u3044\u3092EMSolution\u306b\u304a\u3044\u3066\u9078\u629e\u3067\u304d\u308b \u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059\u3002 <\/p>\n

\uff081\uff09A\u6cd5 <\/p>\n

$$E = – \\dot{A}\u3000\u3000\u3000\u3000\u3000(10)$$<\/p>\n

\uff082\uff09A-\u03a6\u6cd5
\n$$E = – \\dot{A} – \\nabla \\dot{\\Phi}\u3000\u3000\u3000\u3000\u3000(11)$$<\/p>\n

\uff083\uff09A-\u03c6\u6cd5
\n$$E = – \\dot{A} – \\nabla \\phi\u3000\u3000\u3000\u3000\u3000(12)$$<\/p>\n

\u975e\u5bfe\u79f0\u884c\u5217\u89e3\u6cd5\u3068\u3057\u3066\u4e0d\u5b8c\u5168\u30b3\u30ec\u30b9\u30ad\u30fc\u5206\u89e3\u4ed8\u304d\u53cc\u5171\u5f79\u52fe\u914d\u6cd5\uff08ILU Bi-CG \u6cd5\u3001ILU Bi-CGSTAB \u6cd5\u304a\u3088\u3073ILU GPBi-CG \u6cd5\uff09 \u3092\u5c0e\u5165\u3057\u307e\u3057\u305f\u3002
\nILU GPBi-CG\u6cd5\u304c\u6bd4\u8f03\u7684\u53ce\u675f\u304c\u3044\u3044\u3088\u3046\u3067\u3059\u304c\u3001\u5f93\u6765\u306e\u5bfe\u79f0\u884c\u5217\u3092\u7528\u3044\u308b\u6e26\u96fb\u6d41\u89e3\u6790\u3088\u308a\u3001\u304b\u306a\u308a\u53ce\u675f\u306f\u3088\u304f\u3042\u308a\u307e\u305b\u3093\u3002
\n\u7279\u306b\u3001\u8981\u7d20\u304c\u504f\u5e73\u306b\u306a\u3063\u305f\u69d8\u306a\u5834\u5408\u3001\u53ce\u675f\u3057\u306a\u3044\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

\u76f4\u6d41\u5834\u6e26\u96fb\u6d41\u89e3\u6790\u306b\u304a\u3044\u3066\u306f\u3001\u5468\u671f\u5883\u754c\u6761\u4ef6\u3092\u7528\u3044\u307e\u3059\u3002
\n\u5468\u671f\u5bfe\u79f0\u3042\u308b\u3044\u306f\u5468\u671f\u53cd\u5bfe\u79f0\u6761\u4ef6\u3092\u76f4\u7dda\u904b\u52d5\u3084\u56de\u8ee2\u904b\u52d5\u306b\u7528\u3044\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002
\n\u6e26\u96fb\u6d41\u306e\u767a\u751f\u3059\u308b\u9818\u57df\u306e\u30e1\u30c3\u30b7\u30e5\u306f\u904b\u52d5\u65b9\u5411\u306b\u5bfe\u3057\u3066\u7b49\u9593\u9694\u3001\u56de\u8ee2\u904b\u52d5\u306b\u5bfe\u3057\u3066\u306f\u7b49\u89d2\u5ea6\u3067\u5206\u5272\u3055\u308c\u3066\u3044\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002
\n\u672c\u89e3\u6790\u306e\u5834\u5408\u3082\u3001\u30b9\u30e9\u30a4\u30c9\u6cd5\u304c\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002
\n\u3053\u306e\u3053\u3068\u306b\u3088\u308a\u3001\u76f4\u6d41\u5834\u6e26\u96fb\u6d41\u89e3\u6790\u306e\u7d50\u679c\u3092\u521d\u671f\u5024\u3068\u3057\u3066\u3001\u76f4\u7dda\u904b\u52d5\u3084\u56de\u8ee2\u904b\u52d5\u306e\u904e\u6e21\u89e3\u6790\u3092\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002
\n\u5b9f\u884c\u306e\u65b9\u6cd5\u306f\u5f93\u6765\u306e\u9759\u78c1\u5834\u89e3\u6790\u3092\u521d\u671f\u5024\u3068\u3059\u308b\u65b9\u6cd5\u3068\u307b\u3068\u3093\u3069\u540c\u3058\u3067\u3059\u3002
\n\u975e\u7dda\u5f62\u8a08\u7b97\u3082\u5f93\u6765\u306e\u9759\u78c1\u5834\u89e3\u6790\u3068\u540c\u69d8\u306b\u53ef\u80fd\u3067\u3059\u3002 <\/p>\n

\u3053\u306e\u5148\u306f\u4f1a\u54e1\u306e\u65b9\u306e\u307f\u3054\u89a7\u3044\u305f\u3060\u3051\u307e\u3059\u3002<\/p><\/div>

<\/a>
\u65e2\u5b58\u30e6\u30fc\u30b6\u306e\u30ed\u30b0\u30a4\u30f3<\/legend>
<\/div>
<\/div>
 
\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u5fd8\u308c\u305f\u5834\u5408 \u30d1\u30b9\u30ef\u30fc\u30c9\u30ea\u30bb\u30c3\u30c8<\/a><\/span><\/div>
\u306f\u3058\u3081\u3066\u306e\u65b9\u306f\u3053\u3061\u3089 \u65b0\u898f\u30e6\u30fc\u30b6\u30fc\u767b\u9332<\/a><\/span><\/div><\/fieldset><\/form><\/div>","protected":false},"excerpt":{"rendered":"

\u6982\u8981 \u3053\u3053\u3067\u306f\u3001\u4e00\u5b9a\u904b\u52d5\u3092\u3057\u3066\u3044\u308b\u5c0e\u4f53\u5185\u306e\u65b9\u7a0b\u5f0f\u306b\u3064\u3044\u3066\u8ff0\u3079\u307e\u3059\u3002 \u89e3\u8aac \u4ed6\u306e\u9818\u57df\u306e\u65b9\u7a0b\u5f0f\u306f\u3001\u5f93\u6765\u306e\u9759\u78c1\u5834\u89e3\u6790\u3068\u5168\u304f\u540c\u69d8\u3067\u3042\u308a\u3001\u307e\u305f\u3001\u53d6\u308a\u6271\u3044\u3082\u5909\u308f\u308a\u307e\u305b\u3093\u3002 \u901a\u5e38\u306e\u6e26\u96fb\u6d41\u89e3\u6790\u3068\u540c\u69d8\u306b\u3001$A$-$\\phi$\u6cd5\u3092\u7528\u3044\u307e\u3059\u3002 […]<\/p>\n","protected":false},"featured_media":0,"template":"","tags":[],"case_cat":[22],"class_list":["post-218","case","type-case","status-publish","hentry","case_cat-tyokuryu"],"acf":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ssil.co.jp\/product\/EMSolution\/wp-json\/wp\/v2\/case\/218"}],"collection":[{"href":"https:\/\/www.ssil.co.jp\/product\/EMSolution\/wp-json\/wp\/v2\/case"}],"about":[{"href":"https:\/\/www.ssil.co.jp\/product\/EMSolution\/wp-json\/wp\/v2\/types\/case"}],"version-history":[{"count":9,"href":"https:\/\/www.ssil.co.jp\/product\/EMSolution\/wp-json\/wp\/v2\/case\/218\/revisions"}],"predecessor-version":[{"id":4984,"href":"https:\/\/www.ssil.co.jp\/product\/EMSolution\/wp-json\/wp\/v2\/case\/218\/revisions\/4984"}],"wp:attachment":[{"href":"https:\/\/www.ssil.co.jp\/product\/EMSolution\/wp-json\/wp\/v2\/media?parent=218"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ssil.co.jp\/product\/EMSolution\/wp-json\/wp\/v2\/tags?post=218"},{"taxonomy":"case_cat","embeddable":true,"href":"https:\/\/www.ssil.co.jp\/product\/EMSolution\/wp-json\/wp\/v2\/case_cat?post=218"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}