{"@context":{"@vocab":"https://cir.nii.ac.jp/schema/1.0/","rdfs":"http://www.w3.org/2000/01/rdf-schema#","dc":"http://purl.org/dc/elements/1.1/","dcterms":"http://purl.org/dc/terms/","foaf":"http://xmlns.com/foaf/0.1/","prism":"http://prismstandard.org/namespaces/basic/2.0/","cinii":"http://ci.nii.ac.jp/ns/1.0/","datacite":"https://schema.datacite.org/meta/kernel-4/","ndl":"http://ndl.go.jp/dcndl/terms/","jpcoar":"https://github.com/JPCOAR/schema/blob/master/2.0/"},"@id":"https://cir.nii.ac.jp/crid/1390001288087566720.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.2208/kaigan.74.i_1039"}},{"identifier":{"@type":"NDL_BIB_ID","@value":"029326965"}},{"identifier":{"@type":"URI","@value":"http://id.ndl.go.jp/bib/029326965"}},{"identifier":{"@type":"URI","@value":"https://ndlsearch.ndl.go.jp/books/R000000004-I029326965"}},{"identifier":{"@type":"URI","@value":"https://www.jstage.jst.go.jp/article/kaigan/74/2/74_I_1039/_pdf"}},{"identifier":{"@type":"NAID","@value":"40021714873"}},{"identifier":{"@type":"NAID","@value":"130007503894"}}],"dc:title":[{"@language":"ja","@value":"直立壁に作用する衝撃波力を対象とした気液二相流体シミュレーションの精度と計算効率に関する研究"},{"@language":"en","@value":"CONSIDERATION ON ACCURACY AND COMPUTATIONAL EFFICIENCY OF GAS-LIQUID TWO-PHASE FLUID SIMULATION AGAINST TSUNAMI BORE FORCE"},{"@language":"ja-Kana","@value":"チョクリツヘキ ニ サヨウ スル ショウゲキハリョク オ タイショウ ト シタ キエキ ニソウ リュウタイ シミュレーション ノ セイド ト ケイサン コウリツ ニ カンスル ケンキュウ"}],"dc:language":"ja","description":[{"type":"abstract","notation":[{"@language":"en","@value":"In this research, the accuracy and computational efficiency of gas-liquid two-phase fluid simulation were focused. For the estimation of the impulsive force acting on the upright wall, calculation precision was improved by applying a complete windward difference to the gas phase region and a difference scheme corresponding to the volume fraction of the fluid of each element in the gas-liquid mixture region. For computational efficiency, the computation time was reduced by eliminating the dependency between elements during forward substitution and backward substitution processing in the matrix solution and hybrid parallelizing it together with region segmentation method."},{"@language":"ja","@value":"直立型の海岸堤防があるが，その波力を正確に知ることは，構造物の安定性，ひいては背後地の安全性の確保につながるため，重要である．本研究では，気液混合領域における計算スキームに改良を加え，計算の安定性と精度の妥当性を検討するともに，ポアソン方程式を解く際における，行列計算手法を改良し，並列化効率および収束性の影響を検討し，津波段波波力に対する精度と計算効率について，考察を行った．<br>　その結果，直立壁に作用する衝撃波力の推定には，気相領域には完全風上差分，気液混合領域には各要素の流体の体積率に応じた差分スキームを適用することで計算精度を向上した．計算効率には，行列解法内の前進代入，後退代入処理時の要素間の依存性を排除し，領域分割法と合わせてハイブリッド並列化することで計算時間の短縮が得られた．"}],"abstractLicenseFlag":"disallow"}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1410290699162897536","@type":"Researcher","personIdentifier":[{"@type":"NRID","@value":"9000340461410"},{"@type":"NRID","@value":"9000398788351"}],"foaf:name":[{"@language":"ja","@value":"五十嵐 宏夢"},{"@language":"en","@value":"IGARASHI Hiromu"}],"jpcoar:affiliationName":[{"@language":"ja","@value":"国土交通省 九州地方整備局 博多港湾・空港整備事務所"}]},{"@id":"https://cir.nii.ac.jp/crid/1410290699162897537","@type":"Researcher","personIdentifier":[{"@type":"NRID","@value":"9000398831671"},{"@type":"NRID","@value":"9000398788350"}],"foaf:name":[{"@language":"ja","@value":"有川 太郎"},{"@language":"en","@value":"ARIKAWA Taro"}],"jpcoar:affiliationName":[{"@language":"ja","@value":"中央大学 理工学部都市環境学科"}]}],"publication":{"publicationIdentifier":[{"@type":"EISSN","@value":"18838944"},{"@type":"PISSN","@value":"18842399"},{"@type":"NDL_BIB_ID","@value":"026999519"}],"prism:publicationName":[{"@language":"en","@value":"Journal of Japan Society of Civil Engineers, Ser. B2 (Coastal Engineering)"},{"@language":"ja","@value":"土木学会論文集Ｂ２（海岸工学）"},{"@value":"土木学会論文集B2(海岸工学)"},{"@language":"en","@value":"Journal of Japan Society of Civil Engineers, Ser. B2 (Coastal Engineering)"},{"@language":"ja","@value":"海岸工学論文集"}],"dc:publisher":[{"@language":"en","@value":"Japan Society of Civil Engineers"},{"@language":"ja","@value":"公益社団法人 土木学会"}],"prism:publicationDate":"2018","prism:volume":"74","prism:number":"2","prism:startingPage":"I_1039","prism:endingPage":"I_1044"},"reviewed":"false","url":[{"@id":"http://id.ndl.go.jp/bib/029326965"},{"@id":"https://ndlsearch.ndl.go.jp/books/R000000004-I029326965"},{"@id":"https://www.jstage.jst.go.jp/article/kaigan/74/2/74_I_1039/_pdf"}],"availableAt":"2018","foaf:topic":[{"@id":"https://cir.nii.ac.jp/all?q=tsunami","dc:title":"tsunami"},{"@id":"https://cir.nii.ac.jp/all?q=bore%20pressure","dc:title":"bore pressure"},{"@id":"https://cir.nii.ac.jp/all?q=CADMAS","dc:title":"CADMAS"},{"@id":"https://cir.nii.ac.jp/all?q=K%20computer","dc:title":"K computer"},{"@id":"https://cir.nii.ac.jp/all?q=Gas-Liquid%20Simulation","dc:title":"Gas-Liquid Simulation"}],"relatedProduct":[{"@id":"https://cir.nii.ac.jp/crid/1364233270761999616","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Large-numbered multicolor milu preconditioning on sx-3/14"}]},{"@id":"https://cir.nii.ac.jp/crid/1390289940730471168","@type":"Article","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"STUDY ON PRESSURE REDUCTION EFFECT BY UPLIFT FORCES AND APERTURE RATIO ON HORIZONTAL PLATFORM BASED ON GAS-LIQUID PHASE FLOW MODEL"},{"@language":"ja","@value":"三次元流体解析を用いた水平版に働く揚圧力と開口率による圧力低減効果に関する研究"}]},{"@id":"https://cir.nii.ac.jp/crid/1390567901494911488","@type":"Article","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"QUANTITATIVE EXAMINATION OF LIFT FORCE ACTING ON PIER BASED ON GAS-LIQUID PHASE FLOW MODEL"},{"@language":"ja","@value":"三次元流体解析を用いた桟橋に生じる揚圧力の定量的評価"},{"@language":"ja-Kana","@value":"サンジゲン リュウタイ カイセキ オ モチイタ サンバシ ニ ショウジル ヨウアツリョク ノ テイリョウテキ ヒョウカ"}]},{"@id":"https://cir.nii.ac.jp/crid/1390571713983344384","@type":"Article","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Applicability of the Numerical Simulation of the Impulsive Wave Pressure of Solitary Waves"}]},{"@id":"https://cir.nii.ac.jp/crid/1390583502303743744","@type":"Article","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"IMPROVEMENT OF ACCURACY OF CALCULATION OF WIND-BLOWN SAND VOLUME DUE TO WAVE EFFECTS"},{"@language":"ja","@value":"波の影響による飛砂量算定の精度向上に関する研究"}]}],"dataSourceIdentifier":[{"@type":"JALC","@value":"oai:japanlinkcenter.org:2005609851"},{"@type":"NDL_SEARCH","@value":"oai:ndlsearch.ndl.go.jp:R000000004-I029326965"},{"@type":"CROSSREF","@value":"10.2208/kaigan.74.i_1039"},{"@type":"CIA","@value":"40021714873"},{"@type":"CIA","@value":"130007503894"},{"@type":"OPENAIRE","@value":"doi_dedup___::1993c524e1f5a0975a6b138a08a8e530"},{"@type":"CROSSREF","@value":"10.2208/kaigan.76.2_i_787_references_DOI_EWkitiCbHVR8YE9EQQhGbZE5Uxu"},{"@type":"CROSSREF","@value":"10.2208/kaigan.77.2_i_727_references_DOI_EWkitiCbHVR8YE9EQQhGbZE5Uxu"},{"@type":"CROSSREF","@value":"10.20965/jdr.2021.p1286_references_DOI_EWkitiCbHVR8YE9EQQhGbZE5Uxu"},{"@type":"CROSSREF","@value":"10.2208/jscejj.24-17126_references_DOI_EWkitiCbHVR8YE9EQQhGbZE5Uxu"}]}