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Report 106310 Concept Design of a Crash Management System for ...

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3 <strong>Crash</strong> <strong>Management</strong> <strong>System</strong> 25<br />

Force [kN]<br />

0 20 40 60 80 100 120 140 160<br />

Time [ms]<br />

Fig. 3-33: Forces in the side members <strong>of</strong> the reference truck during the crash<br />

Force [kN]<br />

400<br />

350<br />

300<br />

250<br />

200<br />

150<br />

100<br />

50<br />

0<br />

400<br />

350<br />

300<br />

250<br />

200<br />

150<br />

100<br />

50<br />

0<br />

0 20 40 60 80 100 120 140 160<br />

Time [ms]<br />

Fig. 3-34: Forces in the side members <strong>of</strong> the advanced concept during the crash<br />

The evaluation <strong>of</strong> the <strong>for</strong>ces in the side members <strong>of</strong> the truck shows that the <strong>for</strong>ces are<br />

reduced. This way the self protection per<strong>for</strong>mance is improved.<br />

To further clarify the positive effects <strong>of</strong> the crash management system, different amounts <strong>of</strong><br />

absorbed energy are shown in Fig. 3-35 and Fig. 3-36. It can be seen that in both cases, the<br />

total amount <strong>of</strong> absorbed energy is same. But comparing the reference truck with the<br />

1<br />

2<br />

1<br />

2<br />

3<br />

4<br />

3<br />

4

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