GE jet engine bracket challenge

GE Jet Engine Bracket Challenge weight= 490 g; 76.110% weight is Optimized. at load step 1 :max stress =483.2 Mpa at load step 2 :max stress =590.2 Mpa at load step 3 :max stress =463.3 Mpa at load step 4 :max stress =365.7 Mpa i used ansys 14 & hyperworks 12.0 for optimization of weight.