In this work, arbitrarily smooth, globally compatible, Im/Cn/Pk interpolation hierarchies are constructed in the framework of reproducing kernel element method (RKEM) for multi-dimensional domains. This is the first interpolation hierarchical structure that has been ever constructed with both minimal degrees of freedom and higher order continuity and reproducing conditions over multi-dimensional domains. The proposed hierarchical structure possesses the generalized Kronecker property, i.e., ∂αΨI(β)/∂xα(xJ) = δIJδαβ, {pipe}α{pipe}, {pipe}β{pipe} ≤ m. The newly constructed globally conforming interpolant is a hybrid of global partition polynomials (C∞) and a smooth (Cn) compactly supported meshfree partition of unity. Examples of compatible RKEM hierarchical interpolations are illustrated, and they are used in a Galerkin procedure to solve differential equations.
CITATION STYLE
Li, S., Simkins, D. C., Lu, H., & Liu, W. K. (2005). Reproducing kernel element interpolation: Globally conforming Im/Cn/Pk Hierarchies. Lecture Notes in Computational Science and Engineering, 43, 109–132. https://doi.org/10.1007/3-540-27099-x_7
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