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High Order Compact Mimetic Differences and Discrete Energy Decay in 2D Wave Motions

  • Jose E. CastilloEmail author
  • Guillermo Miranda
Conference paper
Part of the Lecture Notes in Computational Science and Engineering book series (LNCSE, volume 119)

Abstract

Mimetic difference operators Div, Grad and Curl, have been constructed to provide a high order of accuracy in numerical schemes that mimic the properties of their corresponding continuum operators; hence they would be faithful to the physics. However, this faithfulness of the discrete basic operators might not be sufficient if the numerical difference scheme introduces some numerical energy increase, which would obviously result in a potentially unstable performance. We present a high order compact mimetic scheme for 2D wave motions and show that the energy of the system is also conserved in the discrete sense.

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Copyright information

© Springer International Publishing AG 2017

Authors and Affiliations

  1. 1.Computational Science Research CenterSan Diego State UniversitySan DiegoUSA

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