Compliant contact force models in multibody dynamics: Evolution of the Hertz contact theory

M Machado, P Moreira, P Flores… - Mechanism and machine …, 2012 - Elsevier
Over the last decades, several compliant contact force models have been proposed.
However, no complete and systematic comparison has been done on these models, which …

On the contact detection for contact-impact analysis in multibody systems

P Flores, J Ambrósio - Multibody System Dynamics, 2010 - Springer
One of the most important and complex parts of the simulation of multibody systems with
contact-impact involves the detection of the precise instant of impact. In general, the periods …

A parametric study on the Baumgarte stabilization method for forward dynamics of constrained multibody systems

P Flores, M Machado, E Seabra, M Tavares da Silva - 2011 - asmedigitalcollection.asme.org
This paper presents and discusses the results obtained from a parametric study on the
Baumgarte stabilization method for forward dynamics of constrained multibody systems. The …

On the constraints violation in forward dynamics of multibody systems

F Marques, AP Souto, P Flores - Multibody System Dynamics, 2017 - Springer
It is known that the dynamic equations of motion for constrained mechanical multibody
systems are frequently formulated using the Newton–Euler's approach, which is augmented …

A co-simulation approach to the wheel–rail contact with flexible railway track

P Antunes, H Magalhães, J Ambrósio, J Pombo… - Multibody System …, 2019 - Springer
The standard approach to railway vehicle dynamic analysis includes running the vehicle
multibody models in rigid railway tracks. The wheel–rail contact, independently of the rolling …

Examination and comparison of different methods to model closed loop kinematic chains using Lagrangian formulation with cut joint, clearance joint constraint and …

F Marques, I Roupa, MT Silva, P Flores… - … and Machine Theory, 2021 - Elsevier
This work aims at presenting, in a comprehensive manner, several approaches to model
and simulate closed loop topologies using the classical Lagrangian formulation. One of the …

Improved bushing models for general multibody systems and vehicle dynamics

J Ambrósio, P Verissimo - Multibody System Dynamics, 2009 - Springer
The development and computational implementation, on a multibody dynamics
environment, of a constitutive relation to model bushing elements associated with …

A continuous analysis method of planar rigid-body mechanical systems with two revolute clearance joints

H Tan, Y Hu, L Li - Multibody System Dynamics, 2017 - Springer
In this paper we are interested in the dynamic behavior of a slider-crank mechanism with
single and two revolute clearance joints. Due to the clearance existence in the revolute …

A finite element methodology to model flexible tracks with arbitrary geometry for railway dynamics applications

JN Costa, P Antunes, H Magalhães, J Pombo… - Computers & …, 2021 - Elsevier
The dynamic analysis of railway vehicles requires an accurate representation of the vehicle,
the track geometry and structure, and their interaction. Generally, flexible track models with …

Higher derivatives of the kinematic mapping and some applications

A Müller - Mechanism and Machine Theory, 2014 - Elsevier
A thorough analysis of mechanisms requires higher derivatives of the kinematic relations
between its members. Such a relation is the (forward) kinematic mapping of a kinematic …