{"categories":[],"title":"\u6642\u9593\u9818\u57dfFEM\u306b\u3088\u308b\u30d5\u30a9\u30c8\u30cb\u30c3\u30af\u7d50\u6676\u5c0e\u6ce2\u8def\u306e\u8a08\u7b97(\u5b8c\u5168\u6574\u5408\u5c64PML\u3001\u5438\u53ce\u5883\u754c\u6761\u4ef6ABC\u3001\u5468\u671f\u5883\u754c\u6761\u4ef6PBC)","type":"rich","author_url":"https://blog.hatena.ne.jp/ryujimiya/","provider_url":"https://hatena.blog","height":"190","url":"https://ryujimiya.hatenablog.com/entry/2019/12/28/210516","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fryujimiya.hatenablog.com%2Fentry%2F2019%2F12%2F28%2F210516\" title=\"\u6642\u9593\u9818\u57dfFEM\u306b\u3088\u308b\u30d5\u30a9\u30c8\u30cb\u30c3\u30af\u7d50\u6676\u5c0e\u6ce2\u8def\u306e\u8a08\u7b97(\u5b8c\u5168\u6574\u5408\u5c64PML\u3001\u5438\u53ce\u5883\u754c\u6761\u4ef6ABC\u3001\u5468\u671f\u5883\u754c\u6761\u4ef6PBC) - ryujimiya\u306e\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/r/ryujimiya/20191228/20191228203706.jpg","provider_name":"Hatena Blog","published":"2019-12-28 21:05:16","version":"1.0","author_name":"ryujimiya","blog_url":"https://ryujimiya.hatenablog.com/","blog_title":"ryujimiya\u306e\u65e5\u8a18","description":"1. \u306f\u3058\u3081\u306b \u6642\u9593\u9818\u57df FEM \u3067\u30d5\u30a9\u30c8\u30cb\u30c3\u30af\u7d50\u6676\u5c0e\u6ce2\u8def\u3092\u89e3\u6790\u3059\u308b\u5834\u5408\u3001\u30dd\u30fc\u30c8\u5883\u754c\u306e\u754c\u3092\u6271\u3046\u65b9\u6cd5\u3068\u3057\u3066\u306f\u3044\u304f\u3064\u304b\u8003\u3048\u3089\u308c\u307e\u3059\u3002(1) \u5b8c\u5168\u6574\u5408\u5c64 (Perfectly Matched Layers, PML)(2) \u5438\u53ce\u5883\u754c\u6761\u4ef6 (Absorbing Boundary Conditions, ABC)(3) \u5468\u671f\u5883\u754c\u6761\u4ef6 (Periodic Boundary Conditions, PBC)(1),(2) \u306f\u4f1d\u642c\u65b9\u5411\u306b\u4e00\u69d8\u306a\u901a\u5e38\u306e\u5c0e\u6ce2\u8def\u306e\u5834\u5408\u3046\u307e\u304f\u89e3\u6790\u3067\u304d\u307e\u3057\u305f\u3002\u30d5\u30a9\u30c8\u30cb\u30c3\u30af\u7d50\u6676\u5c0e\u6ce2\u8def\u306f\u5468\u671f\u69cb\u9020\u5c0e\u6ce2\u8def\u306a\u306e\u3067\u901a\u5e38\u306e\u5c0e\u6ce2\u8def\u3068\u540c\u3058\u3088\u3046\u306a\u624b\u6cd5\u304c\u3069\u306e\u7a0b\u5ea6\u9069\u7528\u3067\u304d\u308b\u304b\u3069\u3046\u304b\u3092\u691c\u8a0e\u3057\u307e\u3057\u305f\u3002 \u5b9a\u5f0f\u5316\u306f\u6b21\u306e\u2026","width":"100%"}