Function main

examples/IB/explicit/ex2/example.cpp:64–303

* 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, "IB.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_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.
        Pointer<INSHierarchyIntegrator> navier_stokes_integrator;
        const string solver_type =
            app_initializer->getComponentDatabase("Main")->getStringWithDefault("solver_type", "STAGGERED");
        if (solver_type == "STAGGERED")
        {
            navier_stokes_integrator = new INSStaggeredHierarchyIntegrator(
                "INSStaggeredHierarchyIntegrator",
                app_initializer->getComponentDatabase("INSStaggeredHierarchyIntegrator"));
        }
        else if (solver_type == "COLLOCATED")
        {
            navier_stokes_integrator = new INSCollocatedHierarchyIntegrator(
                "INSCollocatedHierarchyIntegrator",
                app_initializer->getComponentDatabase("INSCollocatedHierarchyIntegrator"));
        }
        else
        {
            TBOX_ERROR("Unsupported solver type: " << solver_type << "\n"
                                                   << "Valid options are: COLLOCATED, STAGGERED");
        }
        Pointer<IBMethod> ib_method_ops = new IBMethod("IBMethod", app_initializer->getComponentDatabase("IBMethod"));
        Pointer<IBHierarchyIntegrator> time_integrator =
            new IBExplicitHierarchyIntegrator("IBHierarchyIntegrator",
                                              app_initializer->getComponentDatabase("IBHierarchyIntegrator"),
                                              ib_method_ops,
                                              navier_stokes_integrator);
        Pointer<CartesianGridGeometry<NDIM>> grid_geometry = new CartesianGridGeometry<NDIM>(
            "CartesianGeometry", app_initializer->getComponentDatabase("CartesianGeometry"));
        Pointer<PatchHierarchy<NDIM>> patch_hierarchy = new PatchHierarchy<NDIM>("PatchHierarchy", grid_geometry);