\u5730\u9707\u306e\u5927\u304d\u3055\u3068\u983b\u5ea6\u306b\u306f\u6307\u6570\u95a2\u6570\u306e\u95a2\u4fc2\u304c\u3042\u308b\u3001\u3068\u3044\u3046\u306e\u306f\u30b0\u30fc\u30c6\u30f3\u30d9\u30eb\u30b0\u30fb\u30ea\u30d2\u30bf\u30fc\u306e\u6cd5\u5247\uff08Gutenberg\u2013Richter law;GR\u5247\uff09\u3068\u547c\u3070\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u6975\u7aef\u306b\u5927\u304d\u306a\u5730\u9707\u306b\u3064\u3044\u3066\u6210\u308a\u7acb\u3064\u304b\u3069\u3046\u304b\u306f\u7591\u554f\u8996\u3055\u308c\u3066\u3044\u307e\u3059\u3002
\nhttps:\/\/www.kyoshin.bosai.go.jp\/kyoshin\/gk\/publication\/1\/I-3.2.4.html
\nGR\u5247\u304c\u6210\u308a\u7acb\u3064\u7406\u7531\u306b\u3064\u3044\u3066\u306f\u3044\u308d\u3044\u308d\u7814\u7a76\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u65ad\u5c64\u3084\u5ca9\u77f3\u7834\u58ca\u304c\u3079\u304d\u4e57\u5247\u306b\u5f93\u3046\u304b\u3089\u3001\u3068\u3044\u3046\u306e\u304c\u4e00\u8aac\u3067\u3059\u3002\u4e0b\u8a18\u306f30\u5e74\u4ee5\u4e0a\u524d\u306e\u89e3\u8aac\u3067\u3059\u304c\u3001\u305d\u306e\u3053\u308d\u6d41\u884c\u3063\u305f\u300c\u30d5\u30e9\u30af\u30bf\u30eb\u300d\u304c\u5f37\u8abf\u3055\u308c\u3066\u3044\u307e\u3059\u3002
\nhttps:\/\/www.jstage.jst.go.jp\/article\/zisin1948\/44\/Supplement\/44_Supplement_381\/_pdf
\n\u305d\u306e\u4e2d\u3067\u7d39\u4ecb\u3055\u308c\u3066\u3044\u308b\u6709\u540d\u306a\u8ad6\u6587\u306b\u300c\u7802\u5c71\u30e2\u30c7\u30eb sandpile model\u300d\u3068\u3044\u30461987\u5e74\u306e\u8ad6\u6587\u304c\u3042\u308a\u307e\u3059\u3002\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u4ed8\u304d\u306e\u89e3\u8aac\u304c\u4e0b\u8a18\u3067\u3059\u3002\u3053\u308c\u306f\u30ea\u30c8\u30a2\u30cb\u30a2\u306e\u5927\u5b66\u306e\u7269\u7406\u306e\u5148\u751f\u304c\u4f5c\u3063\u3066\u3044\u308b\u30b5\u30a4\u30c8\u306e\u3088\u3046\u3067\u3059\u3002
\nhttps:\/\/rf.mokslasplius.lt\/sandpile-model\/
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\nhttps:\/\/www.tohoku.ac.jp\/japanese\/2025\/07\/press20250711-01-plate.html<\/p>\n
\u82f1\u8a9e\u306f\u3000https:\/\/en.wikipedia.org\/wiki\/Abelian_sandpile_model \u304b\u3089\u3002
\n\u201dThe BTW model was the first discovered example of a dynamical system displaying self-organized criticality.\u201d
\na dynamical system \u529b\u5b66\u7cfb
\nself-organized criticality \u81ea\u5df1\u7d44\u7e54\u5316\u3055\u308c\u305f\u81e8\u754c\u73fe\u8c61
\n\u201dDhar has shown that the final stable sandpile configuration after the avalanche is terminated, is independent of the precise sequence of topplings that is followed during the avalanche.\u201d
\nconfiguration \u914d\u7f6e
\navalanche \u30a2\u30f4\u30a1\u3089\u30f3\u30b7\u30a7\u3000\u306a\u3060\u308c
\ntoppling \u3072\u3063\u304f\u308a\u8fd4\u308b\u3053\u3068\u3001\u304f\u305a\u308c\u308b\u3053\u3068
\n\u201dOnce the sandpile model reaches its critical state there is no correlation between the system’s response to a perturbation and the details of a perturbation. Generally this means that dropping another grain of sand onto the pile may cause nothing to happen, or it may cause the entire pile to collapse in a massive slide. The model also displays 1\/\u0192 noise, a feature common to many complex systems in nature.\u201d
\nperturbation \u6442\u52d5
\na massive slide \u5927\u898f\u6a21\u306a\u5730\u6ed1\u308a<\/p>\n","protected":false},"excerpt":{"rendered":"
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