566 CHAPTER 20 Wing Spars and Box Beams
Fig.20.4
Effect of taper on the analysis of open and closed section beams.
Further,fromFig.20.4(c),
Px,r=Py,rδxr
δyror,substitutingforPy,rfromEq.(20.9),
Px,r=Pz,rδxr
δz566 CHAPTER 20 Wing Spars and Box Beams
Fig.20.4
Effect of taper on the analysis of open and closed section beams.
Further,fromFig.20.4(c),
Px,r=Py,rδxr
δyror,substitutingforPy,rfromEq.(20.9),
Px,r=Pz,rδxr
δz