{"_buckets": {"deposit": "a984e390-d925-4566-ac9a-6102bd5e5eb3"}, "_deposit": {"id": "32722", "owner": "1", "owners": [], "pid": {"revision_id": 0, "type": "depid", "value": "32722"}, "status": "published"}, "_oai": {"id": "oai:repository.dl.itc.u-tokyo.ac.jp:00032722", "sets": []}, "author_link": ["127057", "127056"], "item_4_alternative_title_1": {"attribute_name": "\u305d\u306e\u4ed6\u306e\u30bf\u30a4\u30c8\u30eb", "attribute_value_mlt": [{"subitem_alternative_title": "\u534a\u7121\u9650\u975e\u7dda\u5f62\u7b49\u65b9\u6027\u5a92\u8cea\u306e\u81ea\u7531\u8868\u9762\u306b\u52b1\u8d77\u3055\u308c\u308b\u6ce2\u306b\u3064\u3044\u3066"}]}, "item_4_biblio_info_7": {"attribute_name": "\u66f8\u8a8c\u60c5\u5831", "attribute_value_mlt": [{"bibliographicIssueDates": {"bibliographicIssueDate": "1993-06-30", "bibliographicIssueDateType": "Issued"}, "bibliographicIssueNumber": "1", "bibliographicPageEnd": "22", "bibliographicPageStart": "1", "bibliographicVolumeNumber": "68", "bibliographic_titles": [{"bibliographic_title": "\u6771\u4eac\u5927\u5b78\u5730\u9707\u7814\u7a76\u6240\u5f59\u5831 = Bulletin of the Earthquake Research Institute, University of Tokyo"}]}]}, "item_4_description_13": {"attribute_name": "\u30d5\u30a9\u30fc\u30de\u30c3\u30c8", "attribute_value_mlt": [{"subitem_description": "application/pdf", "subitem_description_type": "Other"}]}, "item_4_description_5": {"attribute_name": "\u6284\u9332", "attribute_value_mlt": [{"subitem_description": "There exist two kinds of simple waves, i.e., non-coupled simple waves(only longitudinal component) and coupled simple waves(both longitudinal and transverse components included) in a nonlinear elastic medium. When these two simple waves impinge vertically on a free surface, the behavior of the reflected waves is elucidated. In a nonlinear elastic medium, the stress condition is also nonlinear, so that the stress-free surface condition yields usually a variety of the reflected waves for the incidence of the wave. These solutions of the reflected simple waves are obtained for the incidence of the simple waves. Whether the incident simple waves are non-coupled or coupled, the excited reflected wave is a non-coupled simple wave. This excited wave has slow velocity as compared with that of the incident simple waves. The obtained result is very significant in order to interpret the wave behavior at the free surface on the occasion of a direct-hit earthquake.", "subitem_description_type": "Abstract"}, {"subitem_description": "\u7121\u9650\u975e\u7dda\u5f62\u7b49\u65b9\u6027\u5a92\u8cea\u306b\u304a\u3044\u3066\u4e8c\u7a2e\u985e\u306e\u5358\u7d14\u6ce2\u3059\u306a\u308f\u3061\u975e\u7d50\u5408\u5358\u7d14\u6ce2(noncoupled simplewave:\u7e26\u6210\u5206\u306e\u307f\u306e\u6ce2)\u3068\u7d50\u5408\u5358\u7d14\u6ce2(coupled simple 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