Journal
COMPUTERS & MATHEMATICS WITH APPLICATIONS
Volume 58, Issue 6, Pages 1253-1272Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.camwa.2009.06.002
Keywords
Meshfree methods; SPH method; Non-smooth kernels; Error bounds
Categories
Funding
- Natural Sciences and Engineering Research Council of Canada
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A function and its first two derivatives are estimated by convolutions with well-chosen non-differentiable kernels. The convolutions are in turn approximated by Newton-Cotes integration techniques with the aid of a polynomial interpolation based on an arbitrary finite set of points. Precise numerical results are obtained with far fewer points than that in classic SPH, and error bounds are derived. (C) 2009 Elsevier Ltd. All rights reserved.
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