Abstract
Numerical Crush Analysis of Thin-Walled Aluminium Columns with Square Cross-Section and a Partial Foam Filling
Highlights
In the age of rapid technological development in the automotive industry the passive safety of transported people is exceptionally important, especially the proper design of the so-called deformation zone
The main objective of this study is to investigate the influence of the type and length of the foam filling on the behavior of the energy absorber column and its energy absorbing properties
The use of a partial foam filling in the area of the crushing initiator was aimed at increasing the energy absorption properties
Summary
In the age of rapid technological development in the automotive industry the passive safety of transported people is exceptionally important, especially the proper design of the so-called deformation zone. This zone consists of elements between the bumper and longitudinal, which should be properly designed – part as rigid and part as elastic elements. The main purpose of installing the crash boxes is to absorb impact energy up to a speed of 15–20 km/h. Their energy efficiency depends on the type and placement of crush initiators, called triggers. Column energy absorbers usually have square, rectangular or circular cross-sections [9,11]
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