On the Lagrange multipliers of the intrinsic constraint equations of rigid multibody mechanical systems
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DOI: 10.1007/s00419-017-1317-y
Abstract: This paper deals with the Lagrange multipliers corresponding to the intrinsic constraint equations of rigid multibody mechanical systems. The intrinsic constraint equations are algebraic equations that are associated with nonminimal sets of orientation parameters employed… read more here.
Keywords: constraint equations; multibody; intrinsic constraint; equations rigid ... See more keywords
A comparative study of the principal methods for the analytical formulation and the numerical solution of the equations of motion of rigid multibody systems
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DOI: 10.1007/s00419-018-1441-3
Abstract: The goal of this investigation is to perform a comparative analysis of the principal methodologies employed for the analytical formulation and the numerical solution of the equations of motion of rigid multibody mechanical systems. In… read more here.
Keywords: analytical formulation; formulation; equations motion; multibody ... See more keywords
A unified formulation for mechanical joints with and without clearances/bushings and/or stops in the framework of multibody systems
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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
Calibrating multibody ulno-humeral joint cartilage using a validated finite element model
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DOI: 10.1007/s11044-018-9622-y
Abstract: Correct prediction of contact characteristic in multibody models is a challenging issue, which requires both employing an appropriate contact model and choosing its corresponding contact parameters. This study employed two subject specific multibody models of… read more here.
Keywords: contact parameters; multibody; contact; element ... See more keywords
Modelling and simulation of coupled multibody systems and granular media using the non-smooth contact dynamics approach
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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
Hardware acceleration of multibody simulations for real-time embedded applications
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DOI: 10.1007/s11044-020-09738-w
Abstract: New products in the automotive and aerospace industries must provide increased energy efficiency and exceed previous performance, safety and reliability. To meet these expectations, the role of simulation continues to grow. Within this context, simulation… read more here.
Keywords: hardware acceleration; real time; time; embedded applications ... 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
Modal reduction procedures for flexible multibody dynamics
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DOI: 10.1007/s11044-020-09770-w
Abstract: Through a critical review of the various component mode synthesis techniques developed in the past, it is shown that both Craig–Bampton’s and Herting’s methods are particular cases of the mode-acceleration method and furthermore, Rubin’s method… read more here.
Keywords: modal reduction; method; multibody; deformation ... See more keywords
Augmented Lagrangian index-3 semi-recursive formulations with projections: Kinematics and dynamics
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DOI: 10.1007/s11044-020-09771-9
Abstract: MBSLIM (Multibody Systems at Laboratorio de Ingenieria Mecanica) multibody library includes some global formulations for the dynamics and sensitivity analysis of multibody systems. The extension of the library to accommodate topological formulations in relative (joint)… read more here.
Keywords: recursive formulations; dynamics augmented; multibody; kinematics ... See more keywords
Comparing double-step and penalty-based semirecursive formulations for hydraulically actuated multibody systems in a monolithic approach
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DOI: 10.1007/s11044-020-09776-4
Abstract: The simulation of mechanical systems often requires modeling of systems of other physical nature, such as hydraulics. In such systems, the numerical stiffness introduced by the hydraulics can become a significant aspect to consider in… read more here.
Keywords: double step; based semirecursive; approach; penalty based ... See more keywords
State estimator based on an indirect Kalman filter for a hydraulically actuated multibody system
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DOI: 10.1007/s11044-022-09814-3
Abstract: In multibody system dynamics, the equations of motion are often coupled with systems of other physical nature, such as hydraulics. To infer the real dynamical state of such a coupled multibody system at any instant… read more here.
Keywords: multibody system; state estimator; state; multibody ... See more keywords