Smoothjoint Model Properties

The properties of the Smooth-Joint Model model are shown below for reference. More detailed information regarding these properties is presented here.

Note

Some properties are read only as stated below.

smoothjoint

ddir (3D) f

\(\theta_d\) - joint dip direction in units degrees with default value 0.0.

dip f

\(\theta_p\) - joint dip in units degrees with default value 0.0.

sj_area f

\(A\) - joint area. This is a read-only property.

sj_coh f

\(c\) - cohesion with default value 0.0.

sj_da f

\(\psi\) - dilation angle in units degrees with default value 0.0.

sj_fa f

\(\phi\) - joint friction angle in units degrees with default value 0.0.

sj_fn f

\(F_n\) - normal force magnitude with default value \(\mathbf 0\).

sj_fric f

\(\mu\) - friction coefficient with default value 0.0.

sj_fs v

\(\mathbf{F_s}\) - shear force vector with default value \(\mathbf{0}\).

sj_gap f

\(g_j\) - joint gap with default value 0.0.

sj_kn f

\(k_n\) - normal stiffness per unit area in units force/volume with default value 0.0.

sj_ks f

\(k_s\) - shear stiffness per unit area in units force/volume with default value 0.0.

sj_large b

\(S_l\) - large strain flag with default value false.

sj_radius f

\(R\) - joint radius. This is a read-only property.

sj_rmul f

\(\lambda\) - joint radius multiplier with default value 1.0.

sj_shear f

\({\tau}_c\) - shear strength in units stress with default value 0.0.

sj_slip b

\(s\) - slip state. This is a read-only property.

sj_state i

\(S_j\) - joint bond state with default value 0.

sj_ten f

\({\sigma}_c\) - tensile strength in units stress with default value 0.0.

sj_un f

\(\stackrel{\frown}{{\delta_n}}\) - normal displacement. This is a read-only property.

sj_unorm v

\(\mathbf{\hat{n}_j}\) - joint unit normal. This is a read-only property.

sj_us v

\(\stackrel{\frown}{{\pmb{\delta}_\mathbf{s}}}\) - shear displacement. This is a reead-only property.