Rayleigh waves - Rayleigh
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An elastic wave that travels along the surface of a semi-infinite elastic body separated by a plane. It was theoretically derived by Rayleigh in 1885 and has a relatively long period. Seismic waves that travel along the Earth's surface are also a type of Rayleigh wave, and since their speed is about 90% that of S waves, they are observed later than S waves at points more than 1,000 km away from the epicenter. →Related topic: Surface waves Source : Heibonsha Encyclopedia About MyPedia Information |
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平面で区切られた半無限大の弾性体の表面に沿って伝わる弾性波。レーリーが1885年に理論的に導いたもので，周期は比較的大きい。地球の表面を伝わる地震波もレーリー波の一種で，速度はS波の約９割なので，震央から1000km以上離れた地点ではS波よりおくれて観測される。 →関連項目表面波 出典 株式会社平凡社百科事典マイペディアについて 情報 |
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