K-0327 流体・構造連成解析における弱連成法の安定化に関する研究(G01-2 連成問題)(G01 計算力学部門一般講演)

概要

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Coupling methods for fluid-structure interaction analysis can be classified into the strong coupling methods, the weak coupling methods, and the constraint methods. Although the strong coupling methods show excellent convergence rate in many problems, the overall modification of the programs for fluid analysis and structural analysis is required. The weak coupling methods are, therefore, more practical if their performances can be improved. In the present paper, the weak coupling methods are classified into three groups, and the consistent added matrices derived from the strong coupling equations and their approximations are systematically presented. Through numerical examples, their capabilities and computational efficiencies are compared.
一般社団法人日本機械学会の論文
2001-08-22