Article (Scientific journals)
A nonsmooth frictional contact formulation for multibody system dynamics
Galvez Buezo, Javier; Cavalieri, Federico J.; Cosimo, Alejandro et al.
2020In International Journal for Numerical Methods in Engineering, 121 (16), p. 3584-3609
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Keywords :
contact; impact; implicit; multibody dynamics; nonlinear dynamics; time integration
Abstract :
[en] We present a new node-to-face frictional contact element for the simulation of the nonsmooth dynamics of systems composed of rigid and flexible bodies connected by kinematic joints. The equations of motion are integrated using a nonsmooth generalized-alpha time integration scheme and the frictional contact problem is formulated using a mixed approach, based on an augmented Lagrangian technique and a Coulomb friction law. The numerical results are independent of any user-defined penalty parameter for the normal or tangential component of the forces and, the bilateral and the unilateral constraints are exactly fulfilled both at position and velocity levels. Finally, the robustness and the performance of the proposed algorithm are demonstrated by solving several numerical examples of nonsmooth mechanical systems involving frictional contact.
Disciplines :
Mechanical engineering
Author, co-author :
Galvez Buezo, Javier ;  Université de Liège - ULiège > A&M
Cavalieri, Federico J.;  Universidad Nacional del Litoral / CONICET > CIMEC
Cosimo, Alejandro ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > Laboratoire des Systèmes Multicorps et Mécatroniques
Bruls, Olivier  ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > Laboratoire des Systèmes Multicorps et Mécatroniques
Cardona, Alberto;  Universidad Nacional del Litoral / CONICET > CIMEC
Language :
English
Title :
A nonsmooth frictional contact formulation for multibody system dynamics
Publication date :
August 2020
Journal title :
International Journal for Numerical Methods in Engineering
ISSN :
0029-5981
eISSN :
1097-0207
Publisher :
John Wiley & Sons, Hoboken, United States - New Jersey
Volume :
121
Issue :
16
Pages :
3584-3609
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 05 June 2020

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