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多重極積分方程式法を用いた3次元静弾性クラック問題の解析

吉田研一gif,西村直志gif,小林昭一gif

FMM(Fast Mutlipole Method) has been developed as a technique to reduce the computational time and memory requirements in solving big sized multibody problems. This paper applies FMM to elastostatic crack problems in 3D, discretizing BIE (boundary integral equation) with piecewise constant shape functions. The resulting algebraic equation is solved with GMRES (generalized minimun residual method). It is shown that FMM is more efficient than the conventional method.

Keywords:

FMM, BIE, GMRES





N. Nishimura
Thu Sep 10 18:18:20 JST 1998