BEM-FEM結合法による二次元弾性定常波動場の解析

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  • 上杉 真平
    社団法人 土木学会 熊本工業大学 工学部土木工学科
  • 大津 政康
    社団法人 土木学会 熊本大学 工学部土木工学科

書誌事項

タイトル別名
  • BEM-FEM COUPLING ANALYSIS OF THE TWO-DIMENSIONAL ELASTIC WAVE FIELD IN STEADY STATE
  • BEM-FEM結合法による2次元弾性定常波動場の解析
  • BEM FEM ケツゴウホウ ニ ヨル 2ジゲン ダンセイ テイジョウ ハド

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抄録

As a numerical technique, the Finite Element Method (FEM) is versatile for evaluating problems with complex geometries and materials. It is, however, not efficiently applicable to problems of wave scattering in an infinite domain. The Boundary Element Method (BEM) has been used very effectively in elastic wave problems with a homogeneous infinite domain. Therefore, it is reasonable to couple the FEM with the BEM in order to provide a single methodology for analyzing problems including non-homogeneous materials in an infinite domain. In the present paper, a method to couple a BEM domain with a FEM domain is proposed on the basis of the variational principle. To demonstrate the usefulness of the proposed method, P, SV and SH wave fields were investigated. From the results, applicability of the proposed method is discussed.

収録刊行物

  • 土木学会論文集

    土木学会論文集 1988 (398), 295-301, 1988-10-20

    公益社団法人 土木学会

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