lmrStart.xml

<?xml version="1.0" encoding="UTF-8"?>
<lmr:LMRStarterKit xmlns:lmr="https://bitbucket.org/lmondy/lithosphericmodellingrecipe"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="file:./LMR.xsd">

    <Output_Controls>
        <description> reference_model </description>

        <model_resolution>
            <x> 208 </x>
            <y> 96 </y>
            <z> 0 </z>
        </model_resolution>

        <experiment_duration_options>
            <maximum_timesteps> 10000000 </maximum_timesteps>
            <maximum_time_in_years> 20.0e6 </maximum_time_in_years>
        </experiment_duration_options>

        <checkpoint_frequency_options>
            <every_x_years> 50000 </every_x_years>
            <every_x_timesteps> 100000 </every_x_timesteps>
        </checkpoint_frequency_options>

        <output_pictures> false </output_pictures>
        <write_log_file> false </write_log_file>
    </Output_Controls>

    <Thermal_Equilibration>
        <run_thermal_equilibration_phase> true </run_thermal_equilibration_phase>

        <update_xml_information> true </update_xml_information>
        <preserve_thermal_equilibration_checkpoints> false </preserve_thermal_equilibration_checkpoints>

        <output_controls>
            <description> laterally_homog </description>

            <thermal_model_resolution>
                <x> 4 </x>
                <y> 48 </y>
                <z> 0 </z>
            </thermal_model_resolution>

            <experiment_duration_options>
                <maximum_timesteps> 10000000 </maximum_timesteps>
                <maximum_time_in_years> 1000.0e6 </maximum_time_in_years>
            </experiment_duration_options>

            <checkpoint_frequency_options>
                <every_x_years> 10.0e6 </every_x_years>
                <every_x_timesteps> 100000000 </every_x_timesteps>
            </checkpoint_frequency_options>
        </output_controls>
    </Thermal_Equilibration>


    <Restarting_Controls>
        <restart> false </restart>
        <!--restart_from_step> 19 </restart_from_step--> <!-- Remove this line for auto restart -->
    </Restarting_Controls>

    <Solver_Details>
        <linear_solver>
            <tolerance> 1e-6 </tolerance>
            <min_iterations> 10 </min_iterations>
            <max_iterations> 15000 </max_iterations>
        </linear_solver>

        <nonLinear_solver>
            <tolerance> 1e-3 </tolerance>
            <min_iterations> 2 </min_iterations>
            <max_iterations> 500 </max_iterations>
        </nonLinear_solver>

        <force_multigrid_level_to_be> -1 </force_multigrid_level_to_be> <!-- Set this to be >0 for effect -->

        <force_multigrid_solve> false </force_multigrid_solve>
        <force_direct_solve> false </force_direct_solve>
    </Solver_Details>

    <Underworld_Execution>
        <Underworld_binary> /EarthByte_Underworld/build/bin/Underworld </Underworld_binary> <!-- Replace with your own path to UW -->
        <CPUs> 4 </CPUs>
        <supercomputer_mpi_format> false </supercomputer_mpi_format>
    </Underworld_Execution>

</lmr:LMRStarterKit>