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The Use of LS-DYNA for the Development of a Topology-Optimized Thin-Walled Shell Structure Manufactured by Die-Less-Hydroforming

Within the framework of sovereign research at the KIT Steel & Lightweight Structure and an accompanying research project [1], the aim was, following an idea by Ummenhofer and Metzger, to develop a hinged column with a cross-section tapering from the centre to the two ends. The result is an elegant minimalistic pillar called “Hybridstütze PERFECTO” (in English: Hybridcolumn PERFECTO) that is made of an outer thin stainless steel shell, a core of ultra high-strength steel located in the cross section center and a filling of the space in-between by self-compacting concrete.