int main(int argc, char ** argv) {
// The valid command line usage is "./mc-mini <parameter file>". Otherwise, throw an exception.
if (argc == 1) {
throw std::invalid_argument("usage: " + std::string{argv[0]} + " <parameter file>.");
}
// Initialize the parser with the specified parameter file.
ParamParser parser(std::string{argv[1]});
// Initialize geometry parameters.
GeometryStructure geometry (parser);
// Initialize parameters related to the implementation of the employed numerical method.
ProblemStructure problem (parser, geometry);
// Initialize parameters related to output structure.
OutputStructure output (parser, geometry, problem);
// Initialize the initial data for the problem to be solved.
problem.initializeProblem();
// Main loop where computations are made and data is output for each timestep of the problem.
do
{
// 1. Solve Stokes equations.
problem.solveStokes();
// 2. Initialize the right hand side (forcing terms).
problem.updateForcingTerms();
// 3. Recalculate time step.
problem.recalculateTimestep();
// 4. Output the solution data.
output.outputData (problem.getTimestepNumber());
// 5. Solve advection-diffusion equation.
problem.solveAdvectionDiffusion();
// 6. Output which time step is being computed.
std::cout << "<Timestep: " << problem.getTimestepNumber() << "; t=" << problem.getTime() << ">" << std::endl;
}
while (problem.advanceTimestep()); // Loop termination criterion: problem.getTimestepNumber() = end_timestep.
problem.solveStokes(); // Solve Stokes equations.
output.outputData (problem.getTimestepNumber()); // Output the solution data.
return 0;
}
int main(int argc, char ** argv) {
if (argc == 1) {
cerr << "usage: " << string{argv[0]} << " <parameter file>." << endl << endl;
exit (-1);
}
setNbThreads(16);
ParamParser parser(string{argv[1]});
GeometryStructure geometry (parser);
ProblemStructure problem (parser, geometry);
OutputStructure output (parser, geometry, problem);
problem.initializeProblem();
problem.updateForcingTerms();
problem.solveStokes();
problem.recalculateTimestep();
do {
output.writeHDF5File (problem.getTimestepNumber());
cout << "<Timestep: " << problem.getTimestepNumber() << "; t=" << problem.getTime() << ">" << endl << endl;
problem.updateForcingTerms();
problem.solveStokes();
problem.recalculateTimestep();
problem.solveAdvectionDiffusion();
} while (problem.advanceTimestep());
output.writeHDF5File (problem.getTimestepNumber());
cerr << "Timestep: " << problem.getTimestepNumber() << "; t = " << problem.getTime() << endl;
output.writeHDF5File();
return 0;
}