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The interior penalty virtual element method for fourth-order singular perturbation problems (2312.10860v1)

Published 18 Dec 2023 in math.NA and cs.NA

Abstract: This paper is dedicated to the numerical solution of a fourth-order singular perturbation problem using the interior penalty virtual element method (IPVEM) proposed in [42]. The study introduces modifications to the jumps and averages in the penalty term, as well as presents an automated mesh-dependent selection of the penalty parameter. Drawing inspiration from the modified Morley finite element methods, we leverage the conforming interpolation technique to handle the lower part of the bilinear form. Through our analysis, we establish optimal convergence in the energy norm and provide a rigorous proof of uniform convergence concerning the perturbation parameter in the lowest-order case.

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Authors (2)

  1. Fang Feng
  2. Yue Yu
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