*MAT_HOEK_BROWN
"Optional title"
mid, $\rho$, $E$, $\nu$
$\sigma_{ci}$, $m_i$, $GSI$, $D$, $\psi_{max}$, $\sigma_{\psi}$
"Optional title"
mid, $\rho$, $E$, $\nu$
$\sigma_{ci}$, $m_i$, $GSI$, $D$, $\psi_{max}$, $\sigma_{\psi}$
Parameter definition
Variable | Description |
---|---|
mid | Unique material identification number |
$\rho$ | Density |
$E$ | Young's modulus |
$\nu$ | Poisson's ratio |
$\sigma_{ci}$ | Uni-axial strength of intact rock |
$m_i$ | Intact rock parameter |
$GSI$ | Geological strength index |
$D$ | Disturbance factor |
$\psi_{max}$ | Dilatancy angle at $\sigma_3$ = 0 |
$\sigma_{\psi}$ | Value of $-\sigma_3$ above which dilatancy is zero ($\psi=0$) |
Description
Geological model for disturbed and undisturbed rock.