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

Fischer Kathrin A. | Zendy; Wriggers Peter | Zendy

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

Author(s) -

Fischer Kathrin A.,

Wriggers Peter

Publication year - 2004

Publication title -

pamm

Language(s) - English

Resource type - Journals

ISSN - 1617-7061

DOI - 10.1002/pamm.200410137

Subject(s) - mortar , coupling (piping) , contact mechanics , element (criminal law) , projection (relational algebra) , geometry , deformation (meteorology) , discrete element method , projection method , materials science , mechanics , finite element method , mathematics , structural engineering , physics , composite material , engineering , algorithm , political science , law , grating

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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