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research article

Development of a semi-implicit contact methodology for finite volume stress solvers

Scolaro, Alessandro  
•
Fiorina, Carlo  
•
Clifford, Ivor
Show more
2022
International Journal For Numerical Methods In Engineering

The past decades have seen numerous efforts to apply the finite volume methodology to solid mechanics problems. However, only limited work has been done by the finite volume community toward the simulation of mechanical contact. In this article, we present a novel semi-implicit methodology for the solution of static force-loading contact problems with cell-centered finite volume codes. Starting from the similarities with multi-material problems, we derive an implicit discretization scheme for the normal contact stress with a straightforward inclusion of frictional forces and correction vectors for non-orthogonal boundaries. With the introduction of a sigmoid blending function interpolating between contact stresses and gap pressure, the proposed approach is extended to cases with partially closed gap. The contact procedure is designed around an arbitrary mesh mapping algorithm to allow for non-conformal meshes at the contact interface between the two bodies. Finally, we verify the contact methodology against five benchmarks cases.

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Type
research article
DOI
10.1002/nme.6857
Web of Science ID

WOS:000715070300001

Author(s)
Scolaro, Alessandro  
Fiorina, Carlo  
Clifford, Ivor
Pautz, Andreas  
Date Issued

2022

Publisher

Wiley

Published in
International Journal For Numerical Methods In Engineering
Volume

123

Issue

2

Start page

309

End page

338

Subjects

Engineering, Multidisciplinary

•

Mathematics, Interdisciplinary Applications

•

Engineering

•

Mathematics

•

contact

•

finite volume methods

•

solid mechanics

•

heat-transfer

•

elasticity

•

meshes

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
LRS  
Available on Infoscience
November 20, 2021
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/183083
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