Dislotwin

Overview of parameters

YAML key	Type	Default	Description	Possible values
B	1dReal		drag coefficient
D	Real		grain size
D_a	Real
L_tr	Real		length of trans nuclei
L_tw	Real		length of twin nuclei
N_sl	1dInt	[]
N_tr	1dInt	[]
N_tw	1dInt	[]
Q_cl	Real		activation energy for dislocation climb
Q_sb	Real
Q_sl	1dReal		activation energy for glide (J) for each slip system
V_cs	Real		cross slip volume
V_mol	Real
atol_f_tr	Real	1.0e-6
atol_f_tw	Real	1.0e-6
atol_gamma	Real	1.0e-6
atol_rho	Real	1.0
b_sl	1dReal		magnitude of Burgers vector (m) for each slip system
b_tr	1dReal		magnitude of Burgers vector (m) for each transformation system
b_tw	1dReal		magnitude of Burgers vector (m) for each twin system
c/a_hP	Real
extend_dislocations	Bool	prm%extendedDislocations
f_edge	1dReal		edge character fraction of total dislocation density
gamma_0_sb	Real	0.0	value for shearband velocity_0
h_sl-sl	1dReal
h_sl-tr	1dReal
h_sl-tw	1dReal
h_tr-tr	1dReal
h_tw-tw	1dReal
i_sl	1dReal		Adj. parameter for distance between 2 forest dislocations for each slip system
i_tr	Real		adjustment parameter to calculate MFP for transformation
i_tw	Real		adjustment parameter to calculate MFP for twinning
isotropic_bound	Str	‘isostrain’
omega	Real	1000.0	frequency factor for dislocation climb
omit_dipoles	Bool	prm%omitDipoles
output	1dStr	[]		[‘rho_mob’, ‘rho_dip’, ‘gamma_sl’, ‘Lambda_sl’, ‘tau_pass’, ‘f_tw’, ‘Lambda_tw’, ‘f_tr’]
p_sb	Real		p-exponent in shear band velocity
p_sl	1dReal
p_tr	1dReal
p_tw	1dReal
q_sb	Real		q-exponent in shear band velocity
q_sl	1dReal
rho_dip_0	1dReal		initial dipole dislocation density per slip system
rho_mob_0	1dReal		initial unipolar dislocation density per slip system
t_tr	1dReal		martensite lamellar thickness (m) for each trans system
t_tw	1dReal		twin thickness (m) for each twin system
tau_0	1dReal		strength due to elements in solid solution
tau_sb	Real		value for shearband resistance
v_0	1dReal		dislocation velocity prefactor (m/s) for each slip system
x_c	Real		critical distance for formation of twin/trans nucleus