First European Hyperworks User Konferenz

First European Hyperworks User Konferenz
3. Simulation Vehicle Level - Pedestrian Safety
Styling Influences on Upper Leg Impact
- 15 -
HBPO / 23-09-2007 / RD / Robert Raulf
Pedestrian Protection Calculation Tool (PPCT)
Upper leg form OEM:
according to 2004/90/EC Project:
Copyright 2004 by HBPO, Dr. G. Zhao User:
Assumption:
Safety factor (recommendation: 0.8) 0,8 Only for the special case
Kinematic factor (Fimpactor/structure) 0,85 max. impact energy, J 700
Efficiency factor (recommendation: 0.75) 0,75 (Up to now: 700 J)
Incompressible thichness, mm (depending on car) 15
Input
Y distance to Y0 mm 0 1
Bonnet leading
edge height (BLE) mm 738,9 715,3
Bumper lead (BL) mm 83,5 74,3
Results
Velocity (V) km/h 35,8 33,4
Impact angle ° 30,5 29,8
Impact energy (E) J 633 501,9
Impactor mass (M) kg 12,8 11,6
min 139,12 111,6
Intrusion 1), mm max 190,63 151,7
defined 156 124
1) possible value measured from hood outside surface No test necessary if the impact energy is lower than 200 J
0 -1 -1 -1 -1 -1 -1 -1 -1
Key Figures:
The copying, distribution and utilization of this document as w ell as the
communication of its contents to others w ithout expressed authorization
is prohibited. Offenders will be held liable for the payment of damages.
All rights reserved in the event of the grant of a patent, utility model or
ornamental design registration.
N.N.
N.N.
N.N.
� by an optimized styling the impact
Energy is reduced by 130 J