Function main

examples/adv_diff/ex4/example.cpp:105–449

* For each run, the input filename and restart information (if needed) must * * be given on the command line. For non-restarted case, command line is: * * * * executable * *

 *                                                                             *
 *******************************************************************************/
int
main(int argc, char* argv[])
{
    // Initialize PETSc, MPI, and SAMRAI.
    PetscInitialize(&argc, &argv, nullptr, nullptr);
    SAMRAI_MPI::setCommunicator(PETSC_COMM_WORLD);
    SAMRAI_MPI::setCallAbortInSerialInsteadOfExit();
    SAMRAIManager::startup();

    // Increase maximum patch data component indices
    SAMRAIManager::setMaxNumberPatchDataEntries(2500);

    { // cleanup dynamically allocated objects prior to shutdown

        // Parse command line options, set some standard options from the input
        // file, initialize the restart database (if this is a restarted run),
        // and enable file logging.
        Pointer<AppInitializer> app_initializer = new AppInitializer(argc, argv, "adv_diff.log");
        Pointer<Database> input_db = app_initializer->getInputDatabase();

        // Get various standard options set in the input file.
        const bool dump_viz_data = app_initializer->dumpVizData();
        const int viz_dump_interval = app_initializer->getVizDumpInterval();
        const bool uses_visit = dump_viz_data && app_initializer->getVisItDataWriter();

        const bool dump_restart_data = app_initializer->dumpRestartData();
        const int restart_dump_interval = app_initializer->getRestartDumpInterval();
        const string restart_dump_dirname = app_initializer->getRestartDumpDirectory();

        const bool dump_postproc_data = app_initializer->dumpPostProcessingData();
        const int postproc_data_dump_interval = app_initializer->getPostProcessingDataDumpInterval();
        const string postproc_data_dump_dirname = app_initializer->getPostProcessingDataDumpDirectory();
        if (dump_postproc_data && (postproc_data_dump_interval > 0) && !postproc_data_dump_dirname.empty())
        {
            Utilities::recursiveMkdir(postproc_data_dump_dirname);
        }

        const bool dump_timer_data = app_initializer->dumpTimerData();
        const int timer_dump_interval = app_initializer->getTimerDumpInterval();

        Pointer<Database> main_db = app_initializer->getComponentDatabase("Main");

        // Create major algorithm and data objects that comprise the
        // application.  These objects are configured from the input database
        // and, if this is a restarted run, from the restart database.
        //
        Pointer<AdvDiffHierarchyIntegrator> time_integrator;
        const string solver_type =
            app_initializer->getComponentDatabase("Main")->getStringWithDefault("solver_type", "PREDICTOR_CORRECTOR");
        time_integrator = new BrinkmanAdvDiffSemiImplicitHierarchyIntegrator(
            "BrinkmanAdvDiffSemiImplicitHierarchyIntegrator",
            app_initializer->getComponentDatabase("BrinkmanAdvDiffSemiImplicitHierarchyIntegrator"));

        Pointer<CartesianGridGeometry<NDIM>> grid_geometry = new CartesianGridGeometry<NDIM>(
            "CartesianGeometry", app_initializer->getComponentDatabase("CartesianGeometry"));
        Pointer<PatchHierarchy<NDIM>> patch_hierarchy = new PatchHierarchy<NDIM>("PatchHierarchy", grid_geometry);
        Pointer<StandardTagAndInitialize<NDIM>> error_detector =
            new StandardTagAndInitialize<NDIM>("StandardTagAndInitialize",