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Lukas Koller
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Journal Articles

Efficient Hyper-Reduced Small Sliding Tribomechadynamics

Accepted Manuscript
Wolfgang Witteveen, Lukas Koller
Journal: Journal of Vibration and Acoustics
Article Type: Research Papers
J. Vib. Acoust.
Paper No: VIB-21-1473
DOI: https://doi.org/10.1115/1.4054713
Published Online: June 2, 2022
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Topics: Bolted joints, Deformation, Dynamics (Mechanics), Finite element analysis, Friction, Nonlinear vibration, Simulation, Structural dynamics
Journal Articles

Semihyper-Reduction for Finite Element Structures With Nonlinear Surface Loads on the Basis of Stress Modes

Lukas Koller, Wolfgang Witteveen, Florian Pichler, Peter Fischer
Journal: Journal of Computational and Nonlinear Dynamics
Article Type: Research-Article
J. Comput. Nonlinear Dynam. August 2020, 15(8): 081004.
Paper No: CND-19-1174
DOI: https://doi.org/10.1115/1.4047334
Published Online: June 17, 2020
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Topics: Computation, Pressure, Stress, Pistons, Deformation
Journal Articles

Efficient Virtual Tribomechadynamics by Means of Joint Modes for Detailed Investigation of Complex Local Stick and Slip Behavior Inside a Joint

Florian Pichler, Wolgang Witteveen, Lukas Koller
Journal: Journal of Vibration and Acoustics
Article Type: Research Papers
J. Vib. Acoust. October 2020, 142(5): 051108.
Paper No: VIB-20-1062
DOI: https://doi.org/10.1115/1.4047071
Published Online: May 22, 2020
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Topics: Computation, Damping, Finite element methods, Friction, Stiffness, Finite element model, Stress, Simulation, Dynamics (Mechanics), Multibody dynamics