OGS
elder-python.prj
<
OpenGeoSysProject
>
<
mesh
>elder.vtu</mesh>
<
geometry
>elder-python.gml</geometry>
<
python_script
>elder-python-bcs.py</python_script>
<
processes
>
<
process
>
<
name
>HC</name>
<
type
>
ComponentTransport
</type>
<
integration_order
>2</integration_order>
<
process_variables
>
<
concentration
>Si</concentration>
<
pressure
>pressure</pressure>
</process_variables>
<
specific_body_force
>0 0 -9.81</specific_body_force>
<
secondary_variables
>
<
secondary_variable
internal_name
="darcy_velocity"
output_name
="darcy_velocity" />
</secondary_variables>
</process>
</processes>
<
media
>
<
medium
id
="0">
<
phases
>
<
phase
>
<
type
>
AqueousLiquid
</type>
<
components
>
<
component
>
<
name
>Si</name>
<
properties
>
<property>
<name>pore_diffusion</name>
<type>
Constant
</type>
<value>3.57e-6</value>
</property>
<property>
<name>retardation_factor</name>
<type>
Constant
</type>
<value>1</value>
</property>
<property>
<name>decay_rate</name>
<type>
Parameter
</type>
<parameter_name>decay_rate</parameter_name>
</property>
</properties>
</component>
</components>
<
properties
>
<
property
>
<
name
>density</name>
<
type
>
Linear
</type>
<
reference_value
>1000</reference_value>
<
independent_variable
>
<
variable_name
>concentration</variable_name>
<
reference_condition
>0</reference_condition>
<
slope
>0.2</slope>
</independent_variable>
</property>
<
property
>
<
name
>viscosity</name>
<
type
>
Constant
</type>
<
value
>1e-3</value>
</property>
</properties>
</phase>
</phases>
<
properties
>
<
property
>
<
name
>permeability</name>
<
type
>
Parameter
</type>
<
parameter_name
>kappa1</parameter_name>
</property>
<
property
>
<
name
>porosity</name>
<
type
>
Parameter
</type>
<
parameter_name
>constant_porosity_parameter</parameter_name>
</property>
<
property
>
<
name
>longitudinal_dispersivity</name>
<
type
>
Constant
</type>
<
value
>0</value>
</property>
<
property
>
<
name
>transversal_dispersivity</name>
<
type
>
Constant
</type>
<
value
>0</value>
</property>
</properties>
</medium>
</media>
<
time_loop
>
<
processes
>
<
process
ref
="HC">
<
nonlinear_solver
>basic_picard</nonlinear_solver>
<
convergence_criterion
>
<
type
>
PerComponentDeltaX
</type>
<
norm_type
>NORM2</norm_type>
<
reltols
>1e-3 1e-3</reltols>
</convergence_criterion>
<
time_discretization
>
<
type
>
BackwardEuler
</type>
</time_discretization>
<
time_stepping
>
<
type
>
FixedTimeStepping
</type>
<
t_initial
>0.0</t_initial>
<
t_end
>1.3149e8</t_end>
<
timesteps
>
<
pair
>
<
repeat
>10</repeat>
<
delta_t
>262980</delta_t>
</pair>
</timesteps>
</time_stepping>
</process>
</processes>
<
output
>
<
type
>
VTK
</type>
<
prefix
>elder_python</prefix>
<
timesteps
>
<
pair
>
<
repeat
>1</repeat>
<
each_steps
>20</each_steps>
</pair>
</timesteps>
<
variables
>
<
variable
>Si</variable>
<
variable
>pressure</variable>
<
variable
>darcy_velocity</variable>
</variables>
<
suffix
>
ts
{:timestep}_t_{:time}</suffix>
</output>
</time_loop>
<
parameters
>
<
parameter
>
<
name
>decay_rate</name>
<
type
>
Constant
</type>
<
value
>0.0</value>
</parameter>
<
parameter
>
<
name
>p_ini</name>
<
type
>
MeshNode
</type>
<
field_name
>p_ini</field_name>
</parameter>
<
parameter
>
<
name
>c_ini</name>
<
type
>
MeshNode
</type>
<
field_name
>c_ini</field_name>
</parameter>
<
parameter
>
<
name
>constant_porosity_parameter</name>
<
type
>
Constant
</type>
<
value
>0.1</value>
</parameter>
<
parameter
>
<
name
>kappa1</name>
<
type
>
Constant
</type>
<
values
>4.84404e-13 0 0 0 4.84404e-13 0 0 0 4.84404e-13</values>
</parameter>
</parameters>
<
process_variables
>
<
process_variable
>
<
name
>Si</name>
<
components
>1</components>
<
order
>1</order>
<
initial_condition
>c_ini</initial_condition>
<
boundary_conditions
>
<
boundary_condition
>
<
geometrical_set
>elder</geometrical_set>
<
geometry
>whole_domain_boundary</geometry>
<
type
>
Python
</type>
<
bc_object
>bc_c</bc_object>
</boundary_condition>
</boundary_conditions>
</process_variable>
<
process_variable
>
<
name
>pressure</name>
<
components
>1</components>
<
order
>1</order>
<
initial_condition
>p_ini</initial_condition>
<
boundary_conditions
>
<
boundary_condition
>
<
geometrical_set
>elder</geometrical_set>
<
geometry
>whole_domain_boundary</geometry>
<
type
>
Python
</type>
<
bc_object
>bc_p</bc_object>
</boundary_condition>
</boundary_conditions>
</process_variable>
</process_variables>
<
nonlinear_solvers
>
<
nonlinear_solver
>
<
name
>basic_picard</name>
<
type
>
Picard
</type>
<
max_iter
>300</max_iter>
<
linear_solver
>general_linear_solver</linear_solver>
</nonlinear_solver>
</nonlinear_solvers>
<
linear_solvers
>
<
linear_solver
>
<
name
>general_linear_solver</name>
<
eigen
>
<
precon_type
>ILUT</precon_type>
<
solver_type
>BiCGSTAB</solver_type>
<
max_iteration_step
>5000</max_iteration_step>
<
error_tolerance
>1e-12</error_tolerance>
</eigen>
</linear_solver>
</linear_solvers>
</OpenGeoSysProject>
OGS CTests—Project Files
Parabolic
ComponentTransport
elder
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