“…Experimental and numerical results were reported by Dokuchaev [30], Bauer [2], Rabinovich [31], Ermakov et al [32], Trotsenko [33], Morozov [34] and, recently, by Watson [35], Biswal et al [36], Gedikli and Ergüven [37,38]. Most of the computational results were based on finite-element schemes.…”