Least-squares for linear elasticity eigenvalue problem

Fleurianne Bertrand, Daniele Boffi

Research output: Working paper

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Abstract

We study the approximation of the spectrum of least-squares operators arising from linear elasticity. We consider a two-field (stress/displacement) and a three-field (stress/displacement/vorticity) formulation; other formulations might be analyzed with similar techniques. We prove a priori estimates and we confirm the theoretical results with simple two-dimensional numerical experiments.
Original languageEnglish
PublisherArXiv
Publication statusPublished - 1 Mar 2020
Externally publishedYes

Keywords

  • math.NA
  • cs.NA

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