a. By the finite difference method, determine the maximum shear stress for a solid rectang...

a. By the finite difference method, determine the maximum shear stress for a solid rectangular torsion member subjected to a twisting moment T. The cross section of the member has dimensions a × 2a. Use a mesh dimension of h = a/4.

b. Repeal part (a), using a mesh dimension h = a/8.

c. Compare the results of parts (a) and (b) with the results obtained in Section 6.9.

d. Use Eq. 6.100 to obtain an improved estimate of maximum, shear stress.

 (6.100)