“…Extension to more complicated cases of anisotropic or non-homogeneous materials or both has been considered by Lekhnitskii (1981), Rooney and Ferrari (1995), Horgan and Chan (1999), Ting (1999), Tarn (2001Tarn ( , 2002a, Tarn and Wang (2001), Tarn and Chang (2005) and Chen and Wei (2005), among others. In particular, Dong and his coworkers Huang and Dong, 2001;Kosmatka et al, 2001;Lin et al, 2001) used a semi-analytic finite element method to investigate the Saint-Venant problem of inhomogeneous, generally anisotropic cylinders with non-circular sections.…”