Record link: 
http://hdl.handle.net/20.500.12708/30227
https://doi.org/10.34726/12905
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Title: 
A Modular Solver for Mechanical System Dynamics Under One-Sided Contact Constraints
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Citation: 
Schirrer, A., & Thormann, S. (2019). A Modular Solver for Mechanical System Dynamics Under One-Sided Contact Constraints. In V. P. Matveenko, M. Krommer, A. K. Belyaev, & H. Irschik (Eds.), Dynamics and Control of Advanced Structures and Machines (pp. 147–155). Springer Nature Switzerland AG. https://doi.org/10.34726/12905
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reposiTUm DOI: 
10.34726/12905
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CatalogPlus: 
AC18100119
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Publisher DOI: 
10.1007/978-3-319-90884-7_16
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Publication Type: 
Book Contribution - Edited Volume Contribution
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Language: 
English
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Authors: 
Schirrer, Alexander 
Thormann, Sebastian 
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Organisational Unit: 
E325-04-1 - Forschungsgruppe Regelungsmethoden-Energiesysteme 
E325-04-2 - Forschungsgruppe Regelungsmethoden-Antriebssysteme 
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Published in: 
Dynamics and Control of Advanced Structures and Machines 
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ISBN: 
978-3-319-90884-7
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DOI of the book: 
10.1007/978-3-319-90884-7
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Date (published): 
9-Mar-2019
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Number of Pages: 
9
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Publisher: 
Springer International Publishing, Cham, Switzerland
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Keywords: 
Computational Contact Mechanics; Multibody dynamics; Active Set Methods; α-RATTLE Time Integration
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Abstract: 
A modular and flexible solver for mechanical system dynamics with one-sided (inequality) contact constraints is proposed. In each time step, an active set method constructs the current set of active constraints, the α-RATTLE time integration method is employed to solve the equality-constrained subproblem, and a Newton iteration is applied to solve the implicit system of update equations. The purely geometric formulation of the constraint functions allows an efficient modeling of system couplings where the constraint forces are solved for as part of the solution. A test case showing a ball bouncing on a string illustrates the solver’s functionality.
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Project title: 
competence Headquarters:Forschung und Entwicklung von neuen Technologien für eine integrative urbane Seilbahn: 854381 (FFG - Österr. Forschungsförderungs- gesellschaft mbH; Doppelmayr Seilbahnen GmbH) 
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Science Branch: 
Maschinenbau
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License: 
In Copyright
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Version History
Version Item submitted by Date Summary
2 20.500.12708/30227 Krassnig, David 2026-10-30 13:56:58.462 Add Accepted Manuscript with own DOI
1 20.500.12708/30227.1 Kaiser, Katharina 2022-08-01 11:59:26.0
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