sdl q0*sin(pi*X/a)*sin(pi*Y/a) "Sinusoidal distributed transverse load" SXX_lw lshell.SXX/q0*(th/a)^2 "In-plane normal stress (SXX), normalized" SZZ_lw lshell.SZZ/q0 "Transverse normal stress (SZZ), normalized" SYZ_lw lshell.SYZ/q0*th/a "Transverse shear stress (SYZ), normalized" SXZ_lw lshell.SXZ/q0*th/a "Transverse shear stress (SXZ), normalized" SXX_esl shell.SXX/q0*(th/a)^2 "In-plane normal stress (SXX), normalized" SZZ_esl shell.SZZ/q0 "Transverse normal stress (SZZ), normalized" SYZ_esl shell.SYZ/q0*th/a "Transverse shear stress (SYZ), normalized" SXZ_esl shell.SXZ/q0*th/a "Transverse shear stress (SXZ), normalized" A 1.105*a/2 "Cut point coordinate" B 1.894*a/2 "Cut point coordinate"