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, \(E'\) = \(E_3\)