Multibody system dynamics: roots and perspectives

W Schiehlen - Multibody system dynamics, 1997 - Springer
The paper reviews the roots, the state-of-the-art and perspectives of multibody system
dynamics. Some historical remarks show that multibody system dynamics is based on …

Impact of rigid and flexible multibody systems: deformation description and contact models

JAC Ambrósio - Virtual nonlinear multibody systems, 2003 - Springer
The use of multibody tools in a virtual environment, aiming to real-time, leads to models
where a compromise between accuracy and computational efficiency has to be reached …

Optimization methods for crashworthiness design using multibody models

JP Dias, MS Pereira - Computers & structures, 2004 - Elsevier
In this paper, a design methodology for crashworthy structures is presented. Deterministic
and evolutionary algorithms are linked with simplified models based on multibody dynamics …

The energy distribution of a train impact process based on the active–passive energy-absorption method

G Guangjun - Transportation Safety and Environment, 2019 - academic.oup.com
This paper examines the energy-absorption characteristics of trains for active–passive safety
protection. A one-dimensional collision-simulation model of traditional subway vehicles and …

Identification of validated multibody vehicle models for crash analysis using a hybrid optimization procedure

M Carvalho, J Ambrósio, P Eberhard - Structural and Multidisciplinary …, 2011 - Springer
The design of components, or particular safety devices, for road vehicles often requires that
many analyses are performed to appraise different solutions. Multibody approaches for …

A multibody methodology for the design of anti-climber devices for train crashworthiness simulation

JF Milho, JAC Ambrósio… - International Journal of …, 2002 - Taylor & Francis
The impact of train sets is characterized by a very high potential for the longitudinal
instability of the train resulting in overriding of the individual car-bodies. Consequently, the …

Crash analysis and dynamical behaviour of light road and rail vehicles

J Ambrósio - Vehicle System Dynamics, 2005 - Taylor & Francis
The main goal of crashworthiness is to ensure that vehicles are safer for occupants, cargo
and other road or rail users. The crash analysis of vehicles involves structural impact and …

Implications of the inline seating layout on the protection of occupants of railway coach interiors

M Carvalho, J Ambrosio, J Milho - International journal of …, 2011 - Taylor & Francis
The aim of this work is to present a systematic approach to the improvement in the passive
safety in railway interiors. During the primary collision, the vehicle is subjected to an abrupt …

A road vehicle multibody model for crash simulation based on the plastic hinges approach to structural deformations

J Ambrosio, J Dias - International Journal of Crashworthiness, 2007 - Taylor & Francis
The development of strategies for the passive safety protection of road vehicles, such as
restraint systems, only focus on a part of the vehicle but still require the complete vehicle …

A wave propagation model of distributed energy absorption system for trains

Z Ding, Z Zheng, J Yu - International Journal of Crashworthiness, 2019 - Taylor & Francis
The dynamic response of distributed energy absorption system used as a passive safety
device in high-speed trains is investigated with a one-dimensional wave propagation model …