{"created":"2023-06-20T14:39:48.149569+00:00","id":6602,"links":{},"metadata":{"_buckets":{"deposit":"ded19ed1-3284-4256-9a40-55dbc4496e02"},"_deposit":{"created_by":1,"id":"6602","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"6602"},"status":"published"},"_oai":{"id":"oai:jaxa.repo.nii.ac.jp:00006602","sets":["1887:1891","9:789:1085:1366"]},"author_link":["33803","33802"],"item_5_alternative_title_1":{"attribute_name":"その他のタイトル","attribute_value_mlt":[{"subitem_alternative_title":"計算航空音響学における解析的方法の役割"}]},"item_5_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2004-03-25","bibliographicIssueDateType":"Issued"},"bibliographicPageEnd":"4","bibliographicPageStart":"1","bibliographicVolumeNumber":"JAXA-SP-03-002","bibliographic_titles":[{"bibliographic_title":"宇宙航空研究開発機構特別資料: 航空宇宙数値シミュレーション技術シンポジウム2003論文集"},{"bibliographic_title":"JAXA Special Publication: Proceedings of Aerospace Numerical Simulation Symposium 2003","bibliographic_titleLang":"en"}]}]},"item_5_description_17":{"attribute_name":"抄録（英）","attribute_value_mlt":[{"subitem_description":"As air traffic grows, annoyance produced by aircraft noise will grow unless new aircraft produce no objectionable noise outside airport boundaries. Such ultra-quiet aircraft must be of revolutionary design, having unconventional planforms and most likely with propulsion systems highly integrated with the airframe. Sophisticated source and propagation modeling will be required to properly account for effects of the airframe on noise generation, reflection, scattering, and radiation. It is tempting to say that since all the effects are included in the Navier-Stokes equations, time-accurate CFD can provide all the answers. Unfortunately, the computational time required to solve a full aircraft noise problem will be prohibitive for many years to come. On the other hand, closed form solutions are not available for such complicated problems. Therefore, a hybrid approach is recommended in which analysis is taken as far as possible without omitting relevant physics or geometry. Three examples are given of recently reported work in broadband noise prediction, ducted fan noise propagation and radiation, and noise prediction for complex three-dimensional jets.","subitem_description_type":"Other"}]},"item_5_description_32":{"attribute_name":"資料番号","attribute_value_mlt":[{"subitem_description":"資料番号: AA0047427001","subitem_description_type":"Other"}]},"item_5_description_33":{"attribute_name":"レポート番号","attribute_value_mlt":[{"subitem_description":"レポート番号: JAXA-SP-03-002","subitem_description_type":"Other"}]},"item_5_publisher_8":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"宇宙航空研究開発機構"}]},"item_5_publisher_9":{"attribute_name":"出版者（英）","attribute_value_mlt":[{"subitem_publisher":"Japan Aerospace Exploration Agency (JAXA)"}]},"item_5_source_id_21":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"1349-113X","subitem_source_identifier_type":"ISSN"}]},"item_5_source_id_24":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AA11984031","subitem_source_identifier_type":"NCID"}]},"item_5_text_6":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"NASA, Langley Research Center"},{"subitem_text_value":"NASA, Langley Research Center"}]},"item_5_text_7":{"attribute_name":"著者所属（英）","attribute_value_mlt":[{"subitem_text_language":"en","subitem_text_value":"NASA, Langley Research Center"},{"subitem_text_language":"en","subitem_text_value":"NASA, Langley Research Center"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Farassat, F.","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Posey, J. W.","creatorNameLang":"en"}],"nameIdentifiers":[{}]}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_date","date":[{"dateType":"Available","dateValue":"2020-01-16"}],"displaytype":"detail","filename":"47427001.pdf","filesize":[{"value":"684.8 kB"}],"format":"application/pdf","licensetype":"license_note","mimetype":"application/pdf","url":{"label":"47427001.pdf","url":"https://jaxa.repo.nii.ac.jp/record/6602/files/47427001.pdf"},"version_id":"46778279-1358-471d-b563-fd59dae46000"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"計算航空音響学","subitem_subject_scheme":"Other"},{"subitem_subject":"航空機騒音","subitem_subject_scheme":"Other"},{"subitem_subject":"騒音低減","subitem_subject_scheme":"Other"},{"subitem_subject":"空力騒音","subitem_subject_scheme":"Other"},{"subitem_subject":"CFD","subitem_subject_scheme":"Other"},{"subitem_subject":"Navier-Stokes方程式","subitem_subject_scheme":"Other"},{"subitem_subject":"騒音伝播","subitem_subject_scheme":"Other"},{"subitem_subject":"広帯域騒音","subitem_subject_scheme":"Other"},{"subitem_subject":"computational aeroacoustics","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"aircraft noise","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"noise reduction","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"aerodynamic noise","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"CFD","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"Navier-Stokes equation","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"noise propagation","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"broadband noise","subitem_subject_language":"en","subitem_subject_scheme":"Other"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"eng"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourcetype":"conference paper","resourceuri":"http://purl.org/coar/resource_type/c_5794"}]},"item_title":"The role of analytic methods in computational aeroacoustics","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"The role of analytic methods in computational aeroacoustics","subitem_title_language":"en"}]},"item_type_id":"5","owner":"1","path":["1366","1891"],"pubdate":{"attribute_name":"公開日","attribute_value":"2015-03-26"},"publish_date":"2015-03-26","publish_status":"0","recid":"6602","relation_version_is_last":true,"title":["The role of analytic methods in computational aeroacoustics"],"weko_creator_id":"1","weko_shared_id":-1},"updated":"2023-06-21T07:52:38.638590+00:00"}