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Enriched Free Mesh Method: An Accuracy Improvement for Node-based FEM

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Computational Plasticity

Part of the book series: Computational Methods in Applied Sciences ((COMPUTMETHODS,volume 7))

Summary

In the present paper, we discuss the accuracy improvement for the free mesh method: a node based finite element technique. We propose here a scheme where the strain field is defined over clustered local elements in addition to the standard finite element displacement field. In order to determine the unknown parameter, the least square method or the Hellinger-Reissner Principle is employed. Through some bench mark examples, the proposed technique has shown excellent performances.

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Author information

Authors and Affiliations

  1. Center for Computational Mechanics Research, Toyo University, 2-36-5, Hakusan, Bunkyo-ku, Tokyo, Japan, 112-8611

    Genki Yagawa

  2. Center for Computational Science and Engineering, Japan Atomic Energy Agency, 6-9-3 Higashi-Ueno, Taito-ku, Tokyo, Japan, 110-0015

    Hitoshi Matsubara

Authors
  1. Genki Yagawa
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  2. Hitoshi Matsubara
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Corresponding author

Correspondence to Genki Yagawa .

Editor information

Editors and Affiliations

  1. Universitat Politècnica de Catalunya, Barcelona, Spain

    Eugenio Oñate

  2. University of Wales, Swansea, UK

    Roger Owen

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© 2007 Springer

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Yagawa, G., Matsubara, H. (2007). Enriched Free Mesh Method: An Accuracy Improvement for Node-based FEM. In: Oñate, E., Owen, R. (eds) Computational Plasticity. Computational Methods in Applied Sciences, vol 7. Springer, Dordrecht. https://doi.org/10.1007/978-1-4020-6577-4_12

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  • DOI: https://doi.org/10.1007/978-1-4020-6577-4_12

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-1-4020-6576-7

  • Online ISBN: 978-1-4020-6577-4

  • eBook Packages: EngineeringEngineering (R0)

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