AN ENERGY ABSORBER IN THE FORM OF A THIN-WALLED COLUMN WITH SQUARE CROSS-SECTION AND DIMPLES

作者：Ferdynus Miroslaw^*

来源：Maintenance and Reliability, 2013, 15(3): 253-258.

• energy absorber
• damage
• palletization head

The object of the research was a thin-walled energy absorber made of aluminium in the form of a column having square cross-section and a series of dimples in the corners. As the possibilities of practical applications of the absorber appear to be considerable, the paper presents prospects of building a palletization head. An influence of the global initial deflections on sub-critical form of the equilibrium path was examined. This was an attempt to assess the structure's susceptibility to deviations of the column's axis from the ideal one. In the article a way of the column's model construction was described in detail. The model takes into account the corner dimples, the initial deflections and the perturbations caused by geometrical imperfections. Advantages of the new solution were presented in comparison with a column having smooth walls.

• 出版日期2013