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research article

A cohesive element model for mixed mode loading with frictional contact capability

Snozzi, Leonardo  
•
Molinari, Jean-Francois  
2013
International Journal For Numerical Methods In Engineering

We present a model that combines interface debonding and frictional contact. The onset of fracture is explicitly modeled using the well-known cohesive approach. Whereas the debonding process is controlled by a new extrinsic traction separation law, which accounts for mode mixity, and yields two separate values for energy dissipation in mode I and mode II loading, the impenetrability condition is enforced with a contact algorithm. We resort to the classical law of unilateral contact and Coulomb friction. The contact algorithm is coupled together to the cohesive approach in order to have a continuous transition from crack nucleation to the pure frictional state after complete decohesion. We validate our model by simulating a shear test on a masonry wallette and by reproducing an experimental test on a masonry wall loaded in compression and shear. Copyright (C) 2012 John Wiley & Sons, Ltd.

  • Details
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Type
research article
DOI
10.1002/nme.4398
Web of Science ID

WOS:000313613700003

Author(s)
Snozzi, Leonardo  
Molinari, Jean-Francois  
Date Issued

2013

Publisher

Wiley-Blackwell

Published in
International Journal For Numerical Methods In Engineering
Volume

93

Issue

5

Start page

510

End page

526

Subjects

cohesive zone model

•

dynamic fracture

•

frictional contact

•

mixed mode loading

•

masonry wallette

•

numerical methods

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
LSMS  
Available on Infoscience
March 28, 2013
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/90781
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