Abstract:Over the past several years, Carbuilders have been developing car designs that utilize Crash Energy Management (CEM) as an alternative means to demonstrate compliance with carbody structural strength requirements. With the onset of CEM designs, the CFR has been amended to include requirements for alternative compliance to carbody structure requirements (see Docket No. FRA-2013-0060, Notice No. 3, [the Final Rule]) [14]. CEM designs often utilize crush zones with the overall goal of protecting occupant volume. … Show more
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