A unified formulation for mechanical joints with and without clearances/bushings and/or stops in the framework of multibody systems
Sign Up to like & getrecommendations! Published in 2018 at "Multibody System Dynamics"
DOI: 10.1007/s11044-018-9613-z
Abstract: Virtually all machines and mechanisms use mechanical joints that are not perfect from the kinematic point of view and for which tolerances, in the fitting of their components, are specified. Together with such controlled clearances,… read more here.
Keywords: multibody systems; clearances bushings; mechanical joints; unified formulation ... See more keywords
Modelling and simulation of coupled multibody systems and granular media using the non-smooth contact dynamics approach
Sign Up to like & getrecommendations! Published in 2020 at "Multibody System Dynamics"
DOI: 10.1007/s11044-019-09721-0
Abstract: Multibody models are often coupled with other domains in order to enlarge the scope of computer-based analysis. In particular, modeling multibody systems (MBSs) in interaction with granular media is of great interest for industrial process… read more here.
Keywords: multibody systems; non smooth; multibody; granular media ... See more keywords
Modeling viscoelastic behavior in flexible multibody systems
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DOI: 10.1007/s11044-020-09767-5
Abstract: Viscoelasticity plays an important role in the dynamic response of flexible multibody systems. First, single degree-of-freedom joints, such as revolute and prismatic joints, are often equipped with elastomeric components that require complex models to capture… read more here.
Keywords: viscoelastic behavior; multibody systems; modeling viscoelastic; multibody ... See more keywords
Tangential velocity during impact with friction in three-dimensional rigid multibody systems
Sign Up to like & getrecommendations! Published in 2017 at "Nonlinear Dynamics"
DOI: 10.1007/s11071-017-3737-1
Abstract: This paper introduces an analysis of tangential velocity of the contact point during a single-point impact with friction in three-dimensional rigid multibody systems. Considering the normal component of impulse at the contact point as the… read more here.
Keywords: multibody systems; impact; velocity; friction ... See more keywords
Nonlinear phenomena of contact in multibody systems dynamics: a review
Sign Up to like & getrecommendations! Published in 2021 at "Nonlinear Dynamics"
DOI: 10.1007/s11071-021-06344-z
Abstract: In the present work, an introduction to the contact phenomena in multibody systems is made. The different existing approaches are described, together with their most distinctive features. Then, the term of coefficient of restitution is… read more here.
Keywords: contact; multibody systems; contact multibody; phenomena contact ... See more keywords
The Rayleigh–van der Pol oscillator on linear multibody systems
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Non-linear Mechanics"
DOI: 10.1016/j.ijnonlinmec.2018.03.008
Abstract: Abstract In nature many interactions of different oscillatory systems can be described by the phenomenon of synchronization. This phenomenon can be widely used for engineering applications. In this contribution, the synchronization between a self-sustained oscillator… read more here.
Keywords: linear multibody; multibody systems; rayleigh van; multibody ... See more keywords
A time-stepping method for multibody systems with frictional impacts based on a return map and boundary layer theory
Sign Up to like & getrecommendations! Published in 2021 at "International Journal of Non-linear Mechanics"
DOI: 10.1016/j.ijnonlinmec.2021.103683
Abstract: Abstract This work presents a new numerical integration method for determining dynamics of a class of multibody systems involving impact and friction. Specifically, these systems are subject to a set of equality constraints and can… read more here.
Keywords: return; time; time stepping; multibody systems ... See more keywords
Logarithmic complexity dynamics formulation for computed torque control of articulated multibody systems
Sign Up to like & getrecommendations! Published in 2017 at "Mechanism and Machine Theory"
DOI: 10.1016/j.mechmachtheory.2017.05.004
Abstract: Abstract Divide-and-Conquer Algorithm is extended and integrated with the method of Computed Torque Control (CTC) to model and control fully-actuated multibody systems. CTC uses inverse and forward dynamics to control a multibody problem. This may… read more here.
Keywords: torque control; multibody systems; control; formulation ... See more keywords
Nonlinear flexure coupling elements for precision control of multibody systems
Sign Up to like & getrecommendations! Published in 2018 at "Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences"
DOI: 10.1098/rspa.2018.0395
Abstract: Conventional multibody systems used in robotics and automated machinery contain bearing components that exhibit complex and uncertain tribological characteristics. These limit fundamentally the precision of the automated motion and also cause wear. Replacing traditional bearing… read more here.
Keywords: multibody systems; system; control; multibody ... See more keywords
Coupled finite element and multibody systems dynamics modelling for the investigation of the bridge approach problem
Sign Up to like & getrecommendations! Published in 2019 at "Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit"
DOI: 10.1177/0954409719828599
Abstract: Railways are the most common mode of transportation for both people and cargo due to its advantages in economy, safety, and comfort. The finite element method has been broadly used for more than three decades… read more here.
Keywords: finite element; multibody systems; approach problem; bridge ... See more keywords
Application of Gauss principle of least constraint in multibody systems with redundant constraints
Sign Up to like & getrecommendations! Published in 2020 at "Proceedings of the Institution of Mechanical Engineers, Part K: Journal of Multi-body Dynamics"
DOI: 10.1177/1464419320975301
Abstract: Redundancy in the constrained mechanical systems often occurs in complex multibody mechanic systems in the existence of excessive constraints and singular positions due to system motion. In this work, Gauss principle of least constraint (GPLC)… read more here.
Keywords: redundant constraints; multibody systems; least constraint; principle least ... See more keywords