it need to define the aluminum honeycmob with mat8 card,but I can't find the E1 E2  G12 Xc Yc，according to @oekmont the Nu12 should set to 0,someone can help me?

Unfortunately we do not have any data that would help other than the standard mechanical data on the TDS which I suspect you already have. 

Warren Penalver
Easy Composites / Carbon Mods - Technical Support Assistant