不連続Ｇａｌｅｒｋｉｎ有限被覆法の開発とその性能評価

• 車谷 麻緒

  東北大学大学院工学研究科土木工学専攻

• 寺田 賢二郎

  東北大学大学院工学研究科土木工学専攻

書誌事項

タイトル別名

• Development of discontinuous Galerkin finite cover method and its evaluation
• フレンゾク Galerkin ユウゲン ヒフクホウ ノ カイハツ ト ソノ セイノウ ヒョウカ

抄録

We develop an analysis method by the finite cover method (FCM) incorporated with the discontinuous Galerkin approximation for imposing displacement and traction compatibility conditions at material interfaces in heterogeneous solids. Treatment of the interface compatibility is a key ingredient for the FCM, which is regarded as one of the generalized versions of finite element method (FEM) since the FCM often employs a fixed regular mesh independetly of physical domain. First, the FCM is formulated and then the discontinuous Galerkin approximaiton is intoduced for imposing interface compatibility conditions. Secondly, after carrying out several numerical experiments to examine the approximation properties of the FCM at material interfaces in comparison with the stadard FEM or the penalty-based FCM, we discuss the characteristics of the discontinuous Galerkin FCM in the analyses of multi-phase materials.

収録刊行物

• 応用力学論文集

  応用力学論文集 8 215-224, 2005

  公益社団法人 土木学会

キーワード

• Finite cover method
• Generalized elements
• Discontinuous Galerkin approximation
• Penalty method
• Penalty parameter

詳細情報

• CRID: 1390282680185217664
• NII論文ID: 130004258285
• NII書誌ID: AA11311063
• DOI: 10.2208/journalam.8.215
• ISSN: 1884832X
• ISSN: 13459139
• NDL書誌ID: 7856650
• Web Site: http://id.ndl.go.jp/bib/7856650
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I7856650
• 本文言語コード: ja
• データソース種別:
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