Program the shear-lag solution for the shear-stress state into your computer using Eq. (9–7). Determine the maximum shear stress for each of the following scenarios:

Provide plots of the actual stress distributions predicted by this analysis. You may omit thermal stresses from the calculations, assuming that the service temperature is similar to the stress-free temperature. If the allowable shear stress is 800 psi and the load to be carried is 300 lbf, estimate the respective factors of safety for each geometry. Let l = 1.25 in and b = 1 in.

2E,to - E;t; 4b cosh (ol/2) (2E,t. + E;t;) T(x) cosh (@x) + 4b sinh (@l/2) (9-7) (a; a,)ATw [1/(E,t,) + 2/(E;t,)] cosh(@l/2). | sinh (wx) 1 2 h Eoto E;t;