By making the stiffening ribs of the first stiffening grid structure next to the skin and the stiffening walls of the second grid structure next to {HEAD ~ the stiffening ribs} congruent in {TAIL ~ their cross sectional configurations}, integral casting becomes possible and the stiffness of the component is increased 
congruent in
By making the stiffening ribs of the first stiffening grid structure next to the skin and the stiffening walls of the second grid structure next to { HEAD ~ the stiffening ribs } congruent in { TAIL ~ their cross sectional configurations } , integral casting becomes possible and the stiffness of the component is increased
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH