Function main

examples/CIB/ex4/example.cpp:109–414

* 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 IBAMR and libraries. Deinitialization is handled by this object as well.
    IBTKInit ibtk_init(argc, argv, MPI_COMM_WORLD);

    { // 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, "CIB.log");
        Pointer<Database> input_db = app_initializer->getInputDatabase();

        // Read default Petsc options
        if (input_db->keyExists("petsc_options_file"))
        {
            std::string petsc_options_file = input_db->getString("petsc_options_file");
            PetscOptionsInsertFile(PETSC_COMM_WORLD, nullptr, petsc_options_file.c_str(), PETSC_TRUE);
        }

        // 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().isNull();

        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();

        // 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.

        // INS integrator
        Pointer<INSStaggeredHierarchyIntegrator> navier_stokes_integrator = new INSStaggeredHierarchyIntegrator(
            "INSStaggeredHierarchyIntegrator",
            app_initializer->getComponentDatabase("INSStaggeredHierarchyIntegrator"));

        // CIB method
        const unsigned int num_structures = input_db->getIntegerWithDefault("num_structures", 1);
        Pointer<CIBMethod> ib_method_ops =
            new CIBMethod("CIBMethod", app_initializer->getComponentDatabase("CIBMethod"), num_structures);

        // Krylov solver for INS integrator that solves for [u,p,U,L]
        Pointer<CIBStaggeredStokesSolver> CIBSolver =
            new CIBStaggeredStokesSolver("CIBStaggeredStokesSolver",