!* Simulation of dendrite formation in FE-C system


SET_NUMBER_OF_THREADS
8!Number of threads /1/



MANDATORY_DATA
c_fe_bcc_fcc_liq_demo!GES file / ANALYTICAL [<analytic init file>]
1770!(Initial) Temperature [K] /1000.0000/
!Pressure [Pa] /100000.00/
n!Substitutional (C) /YES/
!Substitutional (FE) /YES/
!Initially homogeneous composition /YES/
0.006!Initial mole fraction (C)
0.994!Initial mole fraction (FE)
!State of phase (LIQUID) /1/
!State of phase (BCC_A2) /1/
2!State of phase (FCC_A1) /1/
2!Dimensionality /1/
128!Number of grid points /10/
128!Number of grid points /10/
6.5536e-4!Domain width [m] /1.0000000/
6.5536e-4!Domain width [m] /1.0000000/
!Periodic boundary /NO/
!Periodic boundary /NO/
!Grid type /1/
!Grid type /1/
200!Simulation time [s] /1.0000000/
!Maximum timestep [s] /0.10000000/
!Minimum timestep [s] /0.10000000E-09/
!Initial timestep [s] /0.10000000E-09/
!Save interval /1/
0.001!Minimum elapsed time between saves [s] /1.0000000/

ANISOTROPIC_SURFACE_ENERGY
y!Allow anisotropic surface energy /NO/
1e-10!abs(\Delta\phi)_min /0.10000000E-07/

PHASE_FIELD_DATA
!Use phase-field variables /YES/
!Total nr of phase-field variables /2/
!File containing initial phase-field variable values
2!Index of associated phase of phase-field variable # 1
1!Index of associated phase of phase-field variable # 2
P01*G02+P02*G01!Gm expression for g_1
0.2*46.9601*((-0.0760218298380711*log(1.0-0.929349175146836*(2.0*P01-1.0)^2)-(2.0*P01-1.0)^2)+(-0.0760218298380711*log(1.0-0.929349175146836*(2.0*P02-1.0)^2)-(2.0*P02-1.0)^2))!Gm expression for g_2
-0.5*3.75e-13*(1.0+0.03*cos(4*(acos(dp01dz1/((dp01dz1*(1.0+eps))^2+(dp01dz2*(1.0+eps))^2+eps)^0.5)*(dp01dz2/(eps+dp01dz2^2)^0.5)+3.141592653589793*(1.0-(dp01dz2/(eps+dp01dz2^2)^0.5))-0.0)))^2!E0102
(10*5e-9)/(R*T*100e-9**2)!Enter phase-field mobility expression

INITIAL_SINGLE_PHASE
y!Set whole domain to consist of a single phase /NO/
2!Enter corresponding phase-field variable index

INITIAL_PRECIPITATE
1!Enter corresponding phase-field variable index
2!Precipitate option
0.5e-6!x-axis cut-off
0.5e-6!y-axis cut-off
0.001!Element C
0.999!Element FE
10!Relative grid fineness around precipitate (only relevant with adaptive meshing) /0/

FIX_INITIAL_STATE
y!Fix the initial state /NO/
0.001!Element C
0.999!Element FE
0.006
0.994
!Round initial phase-field variable values to zero/one /YES/


NUMERICAL_SETTINGS
!Degree of implicity /1.0000000/
0.1!Relative error tolerance /0.50000000E-01/
!Absolute error tolerance /0.10000000E-07/
!Jacobian perturbation parameter /0.10000000E-02/
!Clean Jacobian /NO/
!Minimum mole fraction /0.10000000E-14/
!Minimum mobility /0.10000000E-39/
!Maximum temperature /6000.0000/
!Maximum timestep change factor /2.0000000/
!Enforce a maximum \Delta T per time-step /NO/
!Temporally piece-wise locally constant coefficients /YES/
y!Enable linearized time-steps /NO/
y!Assume a maximum width of interfaces /NO/
20e-8!Enter width of interface [m]
!Set non-active phase-field variables away from interfaces to zero /YES/





ADAPTIVE_MESHING
y!Use adaptive meshing /NO/
!Initial allocation factor (>1) /1.0000000/
n!Adapt mesh based on composition gradients /YES/
!Adapt mesh based on phase-field variable gradients /YES/
!Max phase-field variable Delta /0.10000000/
!Min phase-field variable Delta /0.10000000E-01/
n!Adapt mesh based on temperature gradients /YES/
1!Input integer (1) or real valued (2) parameters /1/
1!Domain size integer aspect ratio, 1st spatial dimension
1!Domain size integer aspect ratio, 2nd spatial dimension
7!Initial depth (>0)
4!Minimum depth (>0)
15!Maximum depth (>0)
!Base interval to adapt mesh on cumulative change /NO/


FLUCTUATING_PHI
y!Enable adding fluctuations to dg/dphi /NO/
p01*p02*40.0!Fluctuation function


RANDOM_NUMBER_SETTINGS
y!Use a single seed for the pseudorandom number generator /NO/
1!Enter integer seed (1 digit) (<0 for internal vector) /1/



SET_SCREEN_OUTPUT
2!Screen output. 1=Normal, 2=Minimal, 3=Less than minimal /2/

