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Different weak FE-formulations for 2-D frictionless Large Deformation Contact based on the Mortar Method

  1. Kathrin A. Fischer*,
  2. Peter Wriggers

Article first published online: 1 DEC 2004

DOI: 10.1002/pamm.200410137

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PAMM

PAMM

Volume 4, Issue 1, pages 312–313, December 2004

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How to Cite

Fischer, K. A. and Wriggers, P. (2004), Different weak FE-formulations for 2-D frictionless Large Deformation Contact based on the Mortar Method. Proc. Appl. Math. Mech., 4: 312–313. doi: 10.1002/pamm.200410137

Author Information

  1. Institut für Baumechanik und numerische Mechanik, Universität Hannover, Appelstraße 9a, 30167 Hannover

*Phone: +49 511 762 2285, Fax: +49 511 762 5496

Publication History

  1. Issue published online: 1 DEC 2004
  2. Article first published online: 1 DEC 2004

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Abstract

The application of the mortar method in contact mechanics is motivated by the limited use of well known elements, for example the node-to-segment (NTS) element, see [1]. The NTS element contains a strong projection of the displacements from one contacting body to the next. Coupling of this element type with higher order shape functions leads to a loss of accuracy of contact stresses. In contrast to this, the mortar element has the advantage of a weak projection. Therefore, consistent coupling with continuum elements of higher order is possible. (© 2004 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim)

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