Design and Validation Process for Rail Passive Safety

M. Dominique Le-Corre – Alstom Transport, Prof John Roberts - Bombardier Transportation in Association with Newcastle University and ESTACA (Paris)

The paper will review the requirements of EN 15227 and the Interior Passive Safety Requirements defined by RSSB in the UK and SNCF in France.

It will demonstrate the process required to balance the necessary verification testing with the philosophy of utilising significant dynamic modelling to validate the performance of the vehicle structures against the dynamic structural crash criteria.

Examples of vehicles will be given which have used this accurate and cost effective method to obtain approvals to put the vehicles into service.

The paper will then discuss the levels of injury criteria currently being defined within the Safeinteriors project and outline a process which utilises an iterative method to demonstrate, by analysis, design improvements made to increase the level of interior passive safety. It will also focus on the fact that there is a different approach in rail compared with road. For example it is not practical and has been proven unnecessary to install occupant restraints in the rail environment as compared with the automotive industry.

The paper will indicate how Structural Crash requirements are closely and significantly related to the vehicle performance in terms of interior passive safety. Comparison with the automotive industry to illustrate the lack of restriction in terms of analysis and the availability of validated human models for the rail industry compared to the restriction with automotive who are legislated to utilise validated dummy models.

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October 27-29, 2010
Palais de Congres
Versailles, France
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