Added Moment of Inertia and bolt shear calculations
Added Moment of Inertia and bolt shear calculations

psas/lv3.0-airframe,psas/lv3.0-airframe,psas/sw-cad-airframe-lv3.0,psas/lv3.0-airframe,psas/sw-cad-airframe-lv3.0,psas/sw-cad-airframe-lv3.0,psas/lv3.0-airframe