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 Cellbond Barrier Models
A range of robustly validated finite element models for LS-DYNA.
Full Width Deformable Shell Barrier
This barrier model is a Shell element model.
The Full Width Deformable Barrier (FWDB) model has been developed according to the EuroNCAP 2024’s Full Width Deformable Barrier Face specification, Version 1.0 issued in July 2024, for implementation in 2026.
Validation
The Ansys LS-DYNA model calibration has been done using the test results for various quasi-static and dynamic loading conditions provided by Cellbond. The force-deflection curves (generated from the model’s analyses and tests) have been compared.
This includes:
- Static tests of each honeycomb block.
- Dynamic head-on impact tests of both the individual front and rear honeycomb blocks, at 10 m/s, against a dynamometric wall.
- Dynamic pole tests of the combined front and rear honeycomb blocks, at 6.4 m/s.
Additional validation studies have been carried out using sedan and SUV vehicle tests.
The analyses have been run in MPP version of LS-DYNA R11.2.2 to ensure performance and accuracy.
Specifications
| LS-DYNA Release Version | Total Number of Elements | Mass | Regulation Test | Regulation Speed |
|---|---|---|---|---|
| LS-DYNA 971, R11.2.2 MPP | 1791554 | 43.5kg | – | 35 km/h |
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