Investigation on the structural behavior of a metallically 3D-reinforced CFRP/CFRP joint using a variable search based on ﬁnite element analyzes /Holger Lang a, ⇑ , Ana Carolina Nogueira a , Michael Jürgens b , Elke Hombergsmeier b , Roland Hinterhölzl c , Klaus Drechsler c - Lang,Holger