anisotropic

dip f

dip angle [degrees] of the plane of isotropy

dip-direction f

dip direction [degrees] of the plane of isotropy

normal v

normal direction of the plane of isotropy, ($n_x,n_y,n_z$)

normal-x f

x-component of unit normal to the plane of isotropy, $n_x$

normal-y f

y-component of unit normal to the plane of isotropy, $n_y$

normal-z f

z-component of unit normal to the plane of isotropy, $n_z$

poisson-normal f

Poisson’s ratio characterizing lateral contraction in the plane of isotropy when tension is applied normal to the plane, ${\nu}'$ = ${\nu}'_{13}$ = ${\nu}'_{23}$

poisson-plane f

Poisson’s ratio characterizing lateral contraction in the plane of isotropy when tension is applied in the plane, $\nu$ = ${\nu}_{12}$

shear-normal f

shear modulus for any plane normal to the plane of isotropy, $G'$ = $G'_{13}$ = $G'_{23}$

young-plane f

Young’s modulus in the plane of isotropy, $E$ = $E_1$ = $E_2$

young-normal f

Young’s modulus normal to the plane of isotropy, $E'$ = $E_3$