C++ (Cpp) SimulationSWE示例

示例#1

文件： lagrangian_test.cpp 项目： pedrospeixoto/sweet

int main(int i_argc, char *i_argv[])
{
	const char *bogus_var_names[] = {
			"velocity-u",
			"velocity-v",
			nullptr
	};

	if (!simVars.setupFromMainParameters(i_argc, i_argv, bogus_var_names))
	{
		std::cout << std::endl;
		std::cout << "Program-specific options:" << std::endl;
		std::cout << "	--velocity-u [advection velocity u]" << std::endl;
		std::cout << "	--velocity-v [advection velocity v]" << std::endl;
		return -1;
	}

	if (std::isinf(simVars.bogus.var[0]) || std::isinf(simVars.bogus.var[1]))
	{
		std::cout << "Both velocities have to be set, see parameters --velocity-u, --velocity-v" << std::endl;
		return -1;
	}

	param_velocity_u = simVars.bogus.var[0];
	param_velocity_v = simVars.bogus.var[1];


	SimulationSWE *simulationSWE = new SimulationSWE;

#if SWEET_GUI
	if (simVars.misc.gui_enabled)
	{
		VisSweet<SimulationSWE> visSweet(simulationSWE);
	}
	else
#endif
	{
		simulationSWE->reset();
		while (!simulationSWE->should_quit())
		{
			simulationSWE->run_timestep();

			if (simVars.misc.verbosity > 2)
				std::cout << simVars.timecontrol.current_simulation_time << std::endl;

			if (simVars.timecontrol.max_simulation_time != -1)
				if (simVars.timecontrol.current_simulation_time > simVars.timecontrol.max_simulation_time)
					break;

			if (simVars.timecontrol.max_timesteps_nr != -1)
				if (simVars.timecontrol.current_timestep_nr > simVars.timecontrol.max_timesteps_nr)
					break;
		}
	}

	delete simulationSWE;

	return 0;
}

示例#2

文件： advection.cpp 项目： schreiberx/sweet

int main(int i_argc, char *i_argv[])
{
    const char *bogus_var_names[] = {
        "velocity-u",
        "velocity-v",
        nullptr
    };

    if (!simVars.setupFromMainParameters(i_argc, i_argv, bogus_var_names))
    {
        std::cout << std::endl;
        std::cout << "Program-specific options:" << std::endl;
        std::cout << "	--velocity-u [advection velocity u]" << std::endl;
        std::cout << "	--velocity-v [advection velocity v]" << std::endl;
        return -1;
    }

    if (std::isinf(simVars.bogus.var[0]) != 0 || std::isinf(simVars.bogus.var[1]) != 0)
    {
        std::cout << "Both velocities have to be set, see parameters --velocity-u, --velocity-v" << std::endl;
        return -1;
    }

    planeDataConfigInstance.setupAuto(simVars.disc.res_physical, simVars.disc.res_spectral);

    SimulationSWE *simulationSWE = new SimulationSWE;

#if SWEET_GUI
    VisSweet<SimulationSWE> visSweet(simulationSWE);
#else
    simulationSWE->reset();
    while (!simulationSWE->should_quit())
    {
        simulationSWE->run_timestep();

        if (simVars.misc.verbosity > 2)
            std::cout << simVars.timecontrol.current_simulation_time << std::endl;

        if (simVars.timecontrol.current_simulation_time > simVars.timecontrol.max_simulation_time)
            break;
    }
#endif

    delete simulationSWE;

    return 0;
}

示例#3

文件： swe_nonstaggered_advective_linear_only.cpp 项目： schreiberx/sweet

int main(int i_argc, char *i_argv[])
{
	if (!simVars.setupFromMainParameters(i_argc, i_argv))
	{
		return -1;
	}

	planeDataConfigInstance.setupAuto(simVars.disc.res_physical, simVars.disc.res_spectral);

	SimulationSWE *simulationSWE = new SimulationSWE;

	std::ostringstream buf;

#if SWEET_GUI
	if (simVars.misc.gui_enabled)
	{
		VisSweet<SimulationSWE> visSweet(simulationSWE);
	}
	else
#endif
	{
		simulationSWE->reset();

		Stopwatch time;
		time.reset();

		double diagnostics_energy_start, diagnostics_mass_start, diagnostics_potential_entrophy_start;

		if (simVars.misc.verbosity > 1)
		{
			simulationSWE->update_diagnostics();
			diagnostics_energy_start = simVars.diag.total_energy;
			diagnostics_mass_start = simVars.diag.total_mass;
			diagnostics_potential_entrophy_start = simVars.diag.total_potential_enstrophy;
		}

		while (true)
		{
			if (simVars.misc.verbosity > 1)
			{
				simulationSWE->timestep_output(buf);

				std::string output = buf.str();
				buf.str("");

				std::cout << output << std::flush;
			}

			if (simulationSWE->should_quit())
				break;

			simulationSWE->run_timestep();

			if (simulationSWE->instability_detected())
			{
				std::cout << "INSTABILITY DETECTED" << std::endl;
				break;
			}
		}

		time.stop();

		double seconds = time();

		std::cout << "Simulation time: " << seconds << " seconds" << std::endl;
		std::cout << "Time per time step: " << seconds/(double)simVars.timecontrol.current_timestep_nr << " sec/ts" << std::endl;
		std::cout << "Timesteps: " << simVars.timecontrol.current_timestep_nr << std::endl;

		if (simVars.misc.verbosity > 1)
		{
			std::cout << "DIAGNOSTICS ENERGY DIFF:\t" << std::abs((simVars.diag.total_energy-diagnostics_energy_start)/diagnostics_energy_start) << std::endl;
			std::cout << "DIAGNOSTICS MASS DIFF:\t" << std::abs((simVars.diag.total_mass-diagnostics_mass_start)/diagnostics_mass_start) << std::endl;
			std::cout << "DIAGNOSTICS POTENTIAL ENSTROPHY DIFF:\t" << std::abs((simVars.diag.total_potential_enstrophy-diagnostics_potential_entrophy_start)/diagnostics_potential_entrophy_start) << std::endl;

			if (simVars.setup.benchmark_scenario_id == 2 || simVars.setup.benchmark_scenario_id == 3 || simVars.setup.benchmark_scenario_id == 4)
			{
				std::cout << "DIAGNOSTICS BENCHMARK DIFF H:\t" << simulationSWE->benchmark_diff_h << std::endl;
				std::cout << "DIAGNOSTICS BENCHMARK DIFF U:\t" << simulationSWE->benchmark_diff_u << std::endl;
				std::cout << "DIAGNOSTICS BENCHMARK DIFF V:\t" << simulationSWE->benchmark_diff_v << std::endl;
			}
		}
	}

	delete simulationSWE;

	return 0;
}