Abstract

The moving least-square technique is used to construct shape function in the Element Free Galerkin Method
at present, but sometimes the algebra equations system obtained from the moving least-square approximation
is ill-conditioned and the shape function needs large quantity of inverse operation. In this paper, the weighted
orthogonal functions are used as basis ones, the application in the calculation of plate bending shows that the
improved moving least-square approximation is effective and efficient.

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