Article (Scientific journals)
A mortar formulation for frictionless line-to-line beam contact
Bosten, Armin; Cosimo, Alejandro; Linn, Joachim et al.
2021In Multibody System Dynamics
Peer reviewed
 

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Keywords :
Beam contact; Mortar; Special Euclidean group
Abstract :
[en] This paper describes the quasi-static formulation of frictionless line contact between flexible beams by employing the mortar finite element approach. Contact constraints are enforced in a weak sense along the contact region using Lagrange multipliers. A simple projection appropriate for thin beams with circular cross-sections is proposed for the computation of contact regions. It is combined with the geometrically exact beam formalism on the Lie group SE(3). Interestingly, this framework leads to a constraint gradient and a tangent stiffness invariant under rigid body transformations. The formulation is tested in some numerical examples.
Disciplines :
Engineering, computing & technology: Multidisciplinary, general & others
Author, co-author :
Bosten, Armin ;  Université de Liège - ULiège > A&M
Cosimo, Alejandro ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > Laboratoire des Systèmes Multicorps et Mécatroniques
Linn, Joachim;  Fraunhofer ITWM Kaiserslautern > MDF
Bruls, Olivier  ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > Laboratoire des Systèmes Multicorps et Mécatroniques
Language :
English
Title :
A mortar formulation for frictionless line-to-line beam contact
Publication date :
25 August 2021
Journal title :
Multibody System Dynamics
ISSN :
1384-5640
eISSN :
1573-272X
Publisher :
Kluwer Academic Publishers, Netherlands
Peer reviewed :
Peer reviewed
Additional URL :
Funders :
Robotix Academy project of the Greater Region
Fraunhofer Institute for Industrial Mathematics Kaiserslautern
Available on ORBi :
since 01 September 2021

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