confined_compression_fully_saturated_restart.prj 11.5 KB
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<?xml version='1.0' encoding='ISO-8859-1'?>
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<OpenGeoSysProject>
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    <mesh>confined_compression_fully_saturated_ts_20_t_100.000000.vtu</mesh>
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    <geometry>square_1x1.gml</geometry>
    <processes>
        <process>
            <name>RM</name>
            <type>RICHARDS_MECHANICS</type>
            <integration_order>3</integration_order>
            <dimension>2</dimension>
            <!--KEEP FOR TESTING
            <jacobian_assembler>
                <type>CentralDifferences</type>
                <component_magnitudes>1e5 1e5 1e5 1e5 1e-2 1e-2 1e-2 1e-2 1e-2 1e-2 1e-2 1e-2 1e-2 1e-2 1e-2 1e-2 1e-2 1e-2 1e-2 1e-2</component_magnitudes>
                <relative_epsilons>1e-8 1e-8 1e-8 1e-8 1e-8 1e-8 1e-8 1e-8 1e-8 1e-8 1e-8 1e-8 1e-8 1e-8 1e-8 1e-8 1e-8 1e-8 1e-8 1e-8</relative_epsilons>
            </jacobian_assembler>
            -->
            <constitutive_relation>
                <type>LinearElasticIsotropic</type>
                <youngs_modulus>E</youngs_modulus>
                <poissons_ratio>nu</poissons_ratio>
            </constitutive_relation>
            <process_variables>
                <displacement>displacement</displacement>
                <pressure>pressure</pressure>
            </process_variables>
            <secondary_variables>
                <secondary_variable internal_name="sigma" output_name="sigma"/>
                <secondary_variable internal_name="epsilon" output_name="epsilon"/>
                <secondary_variable internal_name="velocity" output_name="velocity"/>
                <secondary_variable internal_name="saturation" output_name="saturation"/>
            </secondary_variables>
            <specific_body_force>0 0</specific_body_force>
        </process>
    </processes>
    <media>
        <medium>
            <phases>
                <phase>
                    <type>AqueousLiquid</type>
                    <properties>
                        <property>
                            <name>viscosity</name>
                            <type>Constant</type>
                            <value>1e-9</value>
                        </property>
                        <property>
                            <name>density</name>
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                            <type>Linear</type>
                            <reference_value>1e-6</reference_value>
                            <independent_variable>
                                <variable_name>phase_pressure</variable_name>
                                <reference_condition>0</reference_condition>
                                <slope>1e-100</slope>
                            </independent_variable>
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                        </property>
                    </properties>
                </phase>
                <phase>
                    <type>Solid</type>
                    <properties>
                        <property>
                            <name>density</name>
                            <type>Constant</type>
                            <value>1.2e-6</value>
                        </property>
                    </properties>
                </phase>
            </phases>
            <properties>
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                <property>
                    <name>biot_coefficient</name>
                    <type>Constant</type>
                    <value>1</value>
                </property>
                <property>
                    <name>porosity</name>
                    <type>PorosityFromMassBalance</type>
                    <initial_porosity>phi0</initial_porosity>
                    <minimal_porosity>0</minimal_porosity>
                    <maximal_porosity>1</maximal_porosity>
                </property>
                <property>
                    <name>permeability</name>
                    <type>Constant</type>
                    <value>1e-12</value>
                </property>
                <property>
                    <name>storage</name>
                    <type>Constant</type>
                    <value>1e+300</value>
                </property>
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                <property>
                    <name>reference_temperature</name>
                    <type>Constant</type>
                    <value>293.15</value>
                </property>
                <property>
                    <name>relative_permeability</name>
                    <type>Constant</type>
                    <value>1</value>
                </property>
                <property>
                    <name>saturation</name>
                    <type>Constant</type>
                    <value>1</value>
                </property>
                <property>
                    <name>bishops_effective_stress</name>
                    <type>BishopsPowerLaw</type>
                    <exponent>1</exponent>
                </property>
            </properties>
        </medium>
    </media>
    <time_loop>
        <processes>
            <process ref="RM">
                <nonlinear_solver>basic_newton</nonlinear_solver>
                <convergence_criterion>
                    <type>PerComponentDeltaX</type>
                    <norm_type>NORM2</norm_type>
                    <abstols>1e-8 1e-11 1e-8</abstols>
                </convergence_criterion>
                <time_discretization>
                    <type>BackwardEuler</type>
                </time_discretization>
                <time_stepping>
                    <type>FixedTimeStepping</type>
                    <t_initial>100</t_initial>
                    <t_end>4000</t_end>
                    <timesteps>
                        <pair>
                            <repeat>20</repeat>
                            <delta_t>5</delta_t>
                        </pair>
                        <pair>
                            <repeat>1</repeat>
                            <delta_t>10</delta_t>
                        </pair>
                    </timesteps>
                </time_stepping>
            </process>
        </processes>
        <output>
            <type>VTK</type>
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            <prefix>confined_compression_fully_saturated_restart</prefix>
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            <timesteps>
                <pair>
                    <repeat>1</repeat>
                    <each_steps>100</each_steps>
                </pair>
                <pair>
                    <repeat>1</repeat>
                    <each_steps>400</each_steps>
                </pair>
            </timesteps>
            <variables>
                <variable>displacement</variable>
                <variable>pressure</variable>
                <variable>sigma</variable>
                <variable>epsilon</variable>
                <variable>velocity</variable>
                <variable>saturation</variable>
            </variables>
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            <suffix>_ts_{:timestep}_t_{:time}</suffix>
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        </output>
    </time_loop>
    <parameters>
        <!-- Mechanics -->
        <parameter>
            <name>E</name>
            <type>Constant</type>
            <value>1</value>
        </parameter>
        <parameter>
            <name>nu</name>
            <type>Constant</type>
            <value>.1</value>
        </parameter>
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        <parameter>
            <name>phi0</name>
            <type>Constant</type>
            <value>0.8</value>
        </parameter>
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        <!-- Model parameters -->
        <parameter>
            <name>mu</name>
            <type>Constant</type>
            <value>1e-9</value>
        </parameter>
        <parameter>
            <name>displacement0</name>
            <type>MeshNode</type>
            <field_name>displacement</field_name>
        </parameter>
        <parameter>
            <name>pressure_ic</name>
            <type>MeshNode</type>
            <field_name>pressure</field_name>
        </parameter>
        <parameter>
            <name>p_neumann</name>
            <type>Constant</type>
            <values>1</values>
        </parameter>
        <parameter>
            <name>dirichlet0</name>
            <type>Constant</type>
            <value>0</value>
        </parameter>
        <parameter>
            <name>dirichlet1</name>
            <type>Constant</type>
            <value>1</value>
        </parameter>
        <parameter>
            <name>displacementTop</name>
            <type>Constant</type>
            <value>-0.05</value>
        </parameter>
        <parameter>
            <name>displacementRamp</name>
            <type>CurveScaled</type>
            <curve>timeRamp</curve>
            <parameter>displacementTop</parameter>
        </parameter>
    </parameters>
    <curves>
        <curve>
            <name>timeRamp</name>
            <coords>0 100 10000</coords>
            <values>0 1   1</values>
        </curve>
    </curves>
    <process_variables>
        <process_variable>
            <name>displacement</name>
            <components>2</components>
            <order>2</order>
            <initial_condition>displacement0</initial_condition>
            <boundary_conditions>
                <boundary_condition>
                    <geometrical_set>square_1x1_geometry</geometrical_set>
                    <geometry>left</geometry>
                    <type>Dirichlet</type>
                    <component>0</component>
                    <parameter>dirichlet0</parameter>
                </boundary_condition>
                <boundary_condition>
                    <geometrical_set>square_1x1_geometry</geometrical_set>
                    <geometry>right</geometry>
                    <type>Dirichlet</type>
                    <component>0</component>
                    <parameter>dirichlet0</parameter>
                </boundary_condition>
                <boundary_condition>
                    <geometrical_set>square_1x1_geometry</geometrical_set>
                    <geometry>bottom</geometry>
                    <type>Dirichlet</type>
                    <component>1</component>
                    <parameter>dirichlet0</parameter>
                </boundary_condition>
                <boundary_condition>
                    <geometrical_set>square_1x1_geometry</geometrical_set>
                    <geometry>top</geometry>
                    <type>Dirichlet</type>
                    <component>1</component>
                    <parameter>displacementRamp</parameter>
                </boundary_condition>
            </boundary_conditions>
        </process_variable>
        <process_variable>
            <name>pressure</name>
            <components>1</components>
            <order>1</order>
            <initial_condition>pressure_ic</initial_condition>
            <boundary_conditions>
                <boundary_condition>
                    <geometrical_set>square_1x1_geometry</geometrical_set>
                    <geometry>top</geometry>
                    <type>Dirichlet</type>
                    <component>0</component>
                    <parameter>dirichlet0</parameter>
                </boundary_condition>
            </boundary_conditions>
        </process_variable>
    </process_variables>
    <nonlinear_solvers>
        <nonlinear_solver>
            <name>basic_newton</name>
            <type>Newton</type>
            <max_iter>50</max_iter>
            <linear_solver>general_linear_solver</linear_solver>
        </nonlinear_solver>
    </nonlinear_solvers>
    <linear_solvers>
        <linear_solver>
            <name>general_linear_solver</name>
            <eigen>
                <solver_type>SparseLU</solver_type>
                <scaling>true</scaling>
                <!--
                <solver_type>PardisoLU</solver_type>
                -->
            </eigen>
        </linear_solver>
    </linear_solvers>
</OpenGeoSysProject>