{"created":"2025-01-19T01:19:18.288522+00:00","updated":"2025-01-19T14:58:20.271374+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00218963","sets":["1164:2240:10902:10971"]},"path":["10971"],"owner":"44499","recid":"218963","title":["A Parallel-in-Time Method for Compressible Fluid Explicit Simulation"],"pubdate":{"attribute_name":"公開日","attribute_value":"2022-07-20"},"_buckets":{"deposit":"bd9d403b-3d1d-4a88-b4c4-52d0548863fc"},"_deposit":{"id":"218963","pid":{"type":"depid","value":"218963","revision_id":0},"owners":[44499],"status":"published","created_by":44499},"item_title":"A Parallel-in-Time Method for Compressible Fluid Explicit Simulation","author_link":["570502","570505","570504","570503"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"A Parallel-in-Time Method for Compressible Fluid Explicit Simulation"},{"subitem_title":"A Parallel-in-Time Method for Compressible Fluid Explicit Simulation","subitem_title_language":"en"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"CFD","subitem_subject_scheme":"Other"}]},"item_type_id":"4","publish_date":"2022-07-20","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"The University of Tokyo"},{"subitem_text_value":"The University of Tokyo"}]},"item_4_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"The University of Tokyo","subitem_text_language":"en"},{"subitem_text_value":"The University of Tokyo","subitem_text_language":"en"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"eng"}]},"item_publisher":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"情報処理学会","subitem_publisher_language":"ja"}]},"publish_status":"0","weko_shared_id":-1,"item_file_price":{"attribute_name":"Billing file","attribute_type":"file","attribute_value_mlt":[{"url":{"url":"https://ipsj.ixsq.nii.ac.jp/record/218963/files/IPSJ-HPC22185025.pdf","label":"IPSJ-HPC22185025.pdf"},"date":[{"dateType":"Available","dateValue":"2024-07-20"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-HPC22185025.pdf","filesize":[{"value":"4.7 MB"}],"mimetype":"application/pdf","priceinfo":[{"tax":["include_tax"],"price":"660","billingrole":"5"},{"tax":["include_tax"],"price":"330","billingrole":"6"},{"tax":["include_tax"],"price":"0","billingrole":"14"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"1027f700-75b5-4ba9-b038-20ad628a3563","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2022 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Yen-Chen, Chen"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Kengo, Nakajima"}],"nameIdentifiers":[{}]}]},"item_4_creator_6":{"attribute_name":"著者名(英)","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Yen-Chen, Chen","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Kengo, Nakajima","creatorNameLang":"en"}],"nameIdentifiers":[{}]}]},"item_4_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN10463942","subitem_source_identifier_type":"NCID"}]},"item_4_textarea_12":{"attribute_name":"Notice","attribute_value_mlt":[{"subitem_textarea_value":"SIG Technical Reports are nonrefereed and hence may later appear in any journals, conferences, symposia, etc."}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourceuri":"http://purl.org/coar/resource_type/c_18gh","resourcetype":"technical report"}]},"item_4_source_id_11":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"2188-8841","subitem_source_identifier_type":"ISSN"}]},"item_4_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"High-Performance Computing (HPC) methods for time-dependent problems reach an acceleration in space as the problem size grows. This restriction leads to the development of parallel-in-time (PinT) methods. Despite many PinT methods have been introduced, very few PinT methods have been tested with explicit schemes to our best knowledge. This research introduces a PinT method that works with explicit schemes. This research constructs a multi-layer hierarchy in time and space and solves it through coarse to fine layers. The proposed Cascadic Parareal method is optimized based on the number of available cores to improve the efficiency of parallel-in-time solvers with a limited number of processors. The numerical experiment solves for a compressible fluid simulation around a cylinder. The research result shows that the proposed parallel-in-space/time (PinST) method could solve faster than traditional spatial parallelization with less than 100 cores.","subitem_description_type":"Other"}]},"item_4_description_8":{"attribute_name":"論文抄録(英)","attribute_value_mlt":[{"subitem_description":"High-Performance Computing (HPC) methods for time-dependent problems reach an acceleration in space as the problem size grows. This restriction leads to the development of parallel-in-time (PinT) methods. Despite many PinT methods have been introduced, very few PinT methods have been tested with explicit schemes to our best knowledge. This research introduces a PinT method that works with explicit schemes. This research constructs a multi-layer hierarchy in time and space and solves it through coarse to fine layers. The proposed Cascadic Parareal method is optimized based on the number of available cores to improve the efficiency of parallel-in-time solvers with a limited number of processors. The numerical experiment solves for a compressible fluid simulation around a cylinder. The research result shows that the proposed parallel-in-space/time (PinST) method could solve faster than traditional spatial parallelization with less than 100 cores.","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"7","bibliographic_titles":[{"bibliographic_title":"研究報告ハイパフォーマンスコンピューティング（HPC）"}],"bibliographicPageStart":"1","bibliographicIssueDates":{"bibliographicIssueDate":"2022-07-20","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"25","bibliographicVolumeNumber":"2022-HPC-185"}]},"relation_version_is_last":true,"weko_creator_id":"44499"},"id":218963,"links":{}}