Arup Cellbond Barrier Models
Arup Cellbond Barrier Models A range of robustly validated finite element models for Ansys LS-DYNA. Introduction Working in collaboration, Arup…
Arup Pedestrian Impactor Models
Pedestrian safety remains one of the most rapidly evolving parts of automotive legislation, and as car design trends shift, engineers need the right pedestrian simulation tools for the job.
European Legforms – Upper Legform
This impactor is used in the EU pedestrian safety regulation (EC) 631/2009 (22nd July 2009) and by Euro NCAP in their Pedestrian Testing Protocol.
- The impactor is rigid and is covered on the impact side by Confor foam and a neopren layer.
- Two load cell transducers measure the individual forces applied at either end of the upper legform impactor front member.
- Three cross section moment outputs are used to measure the bending moments of the front member.
Validation
This legform model has been calibrated using the standard pendulum calibration test detailed in Regulation (EC) 631/2009.
The target speed and mass of the supplied upper legform model is set up in accordance to the Euro NCAP regulation (ref. “Euro-NCAP Pedestrian Testing Protocol v8.4”. November 2017).
Validation work has been carried out in both SMP and MPP versions of LS-DYNA R9.2 and R7.12 to ensure the performance and accuracy.
Specifications
| LS-DYNA Release Version | Total Number of Elements | Mass | Regulation Test | Regulation Speed |
|---|---|---|---|---|
| LS-DYNA R.3.1 MPP/SP | 62447 | 9.5kg | Euro NCAP & J-NCAP | 11.1 m/s |
Brochure
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