single_fracture_3D.prj 12.9 KB
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<?xml version="1.0" encoding="ISO-8859-1"?>
<OpenGeoSysProject>
    <mesh>single_fracture_3D.vtu</mesh>
    <geometry>single_fracture_3D.gml</geometry>
    <processes>
        <process>
            <name>HM</name>
            <type>HYDRO_MECHANICS_WITH_LIE</type>
            <integration_order>3</integration_order>
            <dimension>3</dimension>
            <process_variables>
                <process_variable>pressure</process_variable>
                <process_variable>displacement</process_variable>
                <process_variable>displacement_jump1</process_variable>
            </process_variables>
            <constitutive_relation>
                <type>LinearElasticIsotropic</type>
                <youngs_modulus>E</youngs_modulus>
                <poissons_ratio>nu</poissons_ratio>
            </constitutive_relation>
            <intrinsic_permeability>k</intrinsic_permeability>
            <specific_storage>S</specific_storage>
            <fluid_viscosity>mu</fluid_viscosity>
            <biot_coefficient>biot_m</biot_coefficient>
            <porosity>phi</porosity>
            <solid_density>rho_sr</solid_density>
            <fluid_density>rho_fr</fluid_density>
            <specific_body_force>0 0 0</specific_body_force>
            <initial_effective_stress>effective_stress0</initial_effective_stress>
            <fracture_model>
                <type>LinearElasticIsotropic</type>
                <normal_stiffness>Kn</normal_stiffness>
                <shear_stiffness>Ks</shear_stiffness>
                <penalty_aperture_cutoff>1e-5</penalty_aperture_cutoff>
                <tension_cutoff>1</tension_cutoff>
            </fracture_model>
            <fracture_properties>
                <material_id>0</material_id>
                <initial_aperture>aperture0</initial_aperture>
                <specific_storage>S_f</specific_storage>
                <biot_coefficient>biot_f</biot_coefficient>
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                <permeability_model>
                    <type>CubicLaw</type>
                </permeability_model>
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            </fracture_properties>
            <initial_fracture_effective_stress>fracture_effective_stress0</initial_fracture_effective_stress>
            <secondary_variables>
            </secondary_variables>
        </process>
    </processes>
    <time_loop>
        <processes>
            <process ref="HM">
                <nonlinear_solver>basic_newton</nonlinear_solver>
                <convergence_criterion>
                    <type>PerComponentResidual</type>
                    <norm_type>NORM2</norm_type>
                    <abstols>1e-18 1e-7 1e-5 1e-7 1e-8 1e-6 1e-8</abstols>
                </convergence_criterion>
                <time_discretization>
                    <type>BackwardEuler</type>
                </time_discretization>
                <time_stepping>
                    <type>FixedTimeStepping</type>
                    <t_initial>0</t_initial>
                    <t_end>100</t_end>
                    <timesteps>
                        <pair>
                            <repeat>10</repeat>
                            <delta_t>10.0</delta_t>
                        </pair>
                    </timesteps>
                </time_stepping>
            </process>
        </processes>
        <output>
            <type>VTK</type>
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            <prefix>single_fracture_3D</prefix>
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            <timesteps>
                <pair>
                    <repeat>1</repeat>
                    <each_steps>10</each_steps>
                </pair>
            </timesteps>
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            <variables>
                <variable>pressure</variable>
                <variable>displacement</variable>
                <variable>displacement_jump1</variable>
            </variables>
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            <suffix>_ts_{:timestep}_t_{:time}</suffix>
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        </output>
    </time_loop>
    <parameters>
        <!-- Fluid phase properties -->
        <parameter>
            <name>rho_fr</name>
            <type>Constant</type>
            <value>1e3</value>
        </parameter>
        <parameter>
            <name>mu</name>
            <type>Constant</type>
            <value>1e-3</value>
        </parameter>
        <!-- Solid phase properties -->
        <parameter>
            <name>rho_sr</name>
            <type>Constant</type>
            <value>0.0</value>
        </parameter>
        <!-- Porous medium properties -->
        <parameter>
            <name>phi</name>
            <type>Constant</type>
            <value>1e-3</value>
        </parameter>
        <parameter>
            <name>k</name>
            <type>Constant</type>
            <value>1e-21</value>
        </parameter>
        <parameter>
            <name>S</name>
            <type>Constant</type>
            <value>1e-10</value>
        </parameter>
        <parameter>
            <name>biot_m</name>
            <type>Constant</type>
            <value>1</value>
        </parameter>
        <parameter>
            <name>E</name>
            <type>Constant</type>
            <value>60e9</value>
        </parameter>
        <parameter>
            <name>nu</name>
            <type>Constant</type>
            <value>0</value>
        </parameter>
        <!-- Fracture properties -->
        <parameter>
            <name>aperture0</name>
            <type>Constant</type>
            <value>1e-5</value>
        </parameter>
        <parameter>
            <name>S_f</name>
            <type>Constant</type>
            <value>1e-12</value>
        </parameter>
        <parameter>
            <name>biot_f</name>
            <type>Constant</type>
            <value>1</value>
        </parameter>
        <parameter>
            <name>Kn</name>
            <type>Constant</type>
            <value>1e11</value>
        </parameter>
        <parameter>
            <name>Ks</name>
            <type>Constant</type>
            <value>1e11</value>
        </parameter>
        <!-- Flow properties -->
        <parameter>
            <name>p0</name>
            <type>Constant</type>
            <values>11e6</values>
        </parameter>
        <parameter>
            <name>p_in</name>
            <type>Constant</type>
            <values>11.9e6</values>
        </parameter>
        <parameter>
            <name>p_out</name>
            <type>Constant</type>
            <values>11e6</values>
        </parameter>
        <!-- Mechancis properties -->
        <parameter>
            <name>displacement0</name>
            <type>Constant</type>
            <values>0 0 0</values>
        </parameter>
        <parameter>
            <name>effective_stress0</name>
            <type>Constant</type>
            <values>-13e6 -39e6 -13e6 0 0 0 </values>
        </parameter>
        <parameter>
            <name>fracture_effective_stress0</name>
            <type>Constant</type>
            <values>0 0 -39e6</values>
        </parameter>
        <parameter>
            <name>zero_u</name>
            <type>Constant</type>
            <value>0</value>
        </parameter>
        <parameter>
            <name>load</name>
            <type>Constant</type>
            <value>-50e6</value>
        </parameter>
    </parameters>
    <process_variables>
        <process_variable>
            <name>pressure</name>
            <components>1</components>
            <order>1</order>
            <initial_condition>p0</initial_condition>
            <boundary_conditions>
                <boundary_condition>
                    <geometrical_set>single_fracture_3D</geometrical_set>
                    <geometry>inlet</geometry>
                    <type>Dirichlet</type>
                    <component>0</component>
                    <parameter>p_in</parameter>
                </boundary_condition>
                <boundary_condition>
                    <geometrical_set>single_fracture_3D</geometrical_set>
                    <geometry>outlet</geometry>
                    <type>Dirichlet</type>
                    <component>0</component>
                    <parameter>p_out</parameter>
                </boundary_condition>
            </boundary_conditions>
        </process_variable>
        <process_variable>
            <name>displacement</name>
            <components>3</components>
            <order>2</order>
            <initial_condition>displacement0</initial_condition>
            <boundary_conditions>
                <boundary_condition>
                    <geometrical_set>single_fracture_3D</geometrical_set>
                    <geometry>left</geometry>
                    <type>Dirichlet</type>
                    <component>0</component>
                    <parameter>zero_u</parameter>
                </boundary_condition>
                <boundary_condition>
                    <geometrical_set>single_fracture_3D</geometrical_set>
                    <geometry>right</geometry>
                    <type>Dirichlet</type>
                    <component>0</component>
                    <parameter>zero_u</parameter>
                </boundary_condition>
                <boundary_condition>
                    <geometrical_set>single_fracture_3D</geometrical_set>
                    <geometry>front</geometry>
                    <type>Dirichlet</type>
                    <component>2</component>
                    <parameter>zero_u</parameter>
                </boundary_condition>
                <boundary_condition>
                    <geometrical_set>single_fracture_3D</geometrical_set>
                    <geometry>back</geometry>
                    <type>Dirichlet</type>
                    <component>2</component>
                    <parameter>zero_u</parameter>
                </boundary_condition>
                <boundary_condition>
                    <geometrical_set>single_fracture_3D</geometrical_set>
                    <geometry>bottom</geometry>
                    <type>Dirichlet</type>
                    <component>1</component>
                    <parameter>zero_u</parameter>
                </boundary_condition>
                <boundary_condition>
                    <geometrical_set>single_fracture_3D</geometrical_set>
                    <geometry>top</geometry>
                    <type>Neumann</type>
                    <component>1</component>
                    <parameter>load</parameter>
                </boundary_condition>
            </boundary_conditions>
        </process_variable>
        <process_variable>
            <name>displacement_jump1</name>
            <components>3</components>
            <order>2</order>
            <initial_condition>displacement0</initial_condition>
            <boundary_conditions>
                <boundary_condition>
                    <geometrical_set>single_fracture_3D</geometrical_set>
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                    <geometry>inlet</geometry>
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                    <type>Dirichlet</type>
                    <component>0</component>
                    <parameter>zero_u</parameter>
                </boundary_condition>
                <boundary_condition>
                    <geometrical_set>single_fracture_3D</geometrical_set>
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                    <geometry>outlet</geometry>
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                    <type>Dirichlet</type>
                    <component>0</component>
                    <parameter>zero_u</parameter>
                </boundary_condition>
                <boundary_condition>
                    <geometrical_set>single_fracture_3D</geometrical_set>
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                    <geometry>fracture_front</geometry>
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                    <type>Dirichlet</type>
                    <component>2</component>
                    <parameter>zero_u</parameter>
                </boundary_condition>
                <boundary_condition>
                    <geometrical_set>single_fracture_3D</geometrical_set>
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                    <geometry>fracture_back</geometry>
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                    <type>Dirichlet</type>
                    <component>2</component>
                    <parameter>zero_u</parameter>
                </boundary_condition>
            </boundary_conditions>
        </process_variable>
    </process_variables>
    <nonlinear_solvers>
        <nonlinear_solver>
            <name>basic_newton</name>
            <type>Newton</type>
            <max_iter>10</max_iter>
            <linear_solver>general_linear_solver</linear_solver>
        </nonlinear_solver>
    </nonlinear_solvers>
    <linear_solvers>
        <linear_solver>
            <name>general_linear_solver</name>
            <!--This is working but extremely slow
            <lis>-i bicgstab -p ssor -ssor_w 1.5 -tol 1e-12 -maxiter 100000</lis>
            -->
            <eigen>
                <!--
                <solver_type>PardisoLU</solver_type>
                <precon_type>NONE</precon_type>
                -->
                <solver_type>SparseLU</solver_type>
                <precon_type>DIAGONAL</precon_type>
                <scaling>1</scaling>
                <max_iteration_step>10000</max_iteration_step>
                <error_tolerance>1e-12</error_tolerance>
            </eigen>
        </linear_solver>
    </linear_solvers>
</OpenGeoSysProject>