MAT_HOEK_BROWN
Material properties
*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.
