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phase_field_notch.cc
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Mon, Jun 10, 20:21

phase_field_notch.cc
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/* -------------------------------------------------------------------------- */
#include "non_linear_solver.hh"
#include "phase_field_model.hh"
#include "solid_mechanics_model.hh"
#include "coupler_solid_phasefield.hh"
/* -------------------------------------------------------------------------- */
#include <iostream>
#include <fstream>
#include <chrono>
/* -------------------------------------------------------------------------- */
using namespace akantu;
using clk = std::chrono::high_resolution_clock;
using second = std::chrono::duration<double>;
using millisecond = std::chrono::duration<double, std::milli>;
const UInt spatial_dimension = 2;
/* -------------------------------------------------------------------------- */
int main(int argc, char *argv[]){
initialize("material_notch.dat", argc, argv);
// create mesh
Mesh mesh(spatial_dimension);
mesh.read("square_notch.msh");
CouplerSolidPhaseField coupler(mesh);
auto & model = coupler.getSolidMechanicsModel();
auto & phase = coupler.getPhaseFieldModel();
model.initFull(_analysis_method = _static);
auto && mat_selector = std::make_shared<MeshDataMaterialSelector<std::string>>(
"physical_names", model);
model.setMaterialSelector(mat_selector);
auto && selector = std::make_shared<MeshDataPhaseFieldSelector<std::string>>(
"physical_names", phase);
phase.setPhaseFieldSelector(selector);
phase.initFull(_analysis_method = _static);
model.applyBC(BC::Dirichlet::FixedValue(0., _y), "bottom");
model.applyBC(BC::Dirichlet::FixedValue(0., _x), "left");
model.setBaseName("phase_notch");
model.addDumpField("stress");
model.addDumpField("grad_u");
model.addDumpFieldVector("displacement");
model.addDumpField("damage");
model.dump();
UInt nbSteps = 1500;
Real increment = 1e-5;
auto start_time = clk::now();
for (UInt s = 1; s < nbSteps; ++s) {
if (s >= 500) {
increment = 1.e-6;
}
if (s % 10 == 0 ) {
constexpr char wheel[] = "/-\\|";
auto elapsed = clk::now() - start_time;
auto time_per_step = elapsed / s;
std::cout << "\r[" << wheel[(s / 10) % 4] << "] " << std::setw(5) << s
<< "/" << nbSteps << " (" << std::setprecision(2)
<< std::fixed << std::setw(8)
<< millisecond(time_per_step).count()
<< "ms/step - elapsed: " << std::setw(8)
<< second(elapsed).count() << "s - ETA: " << std::setw(8)
<< second((nbSteps - s) * time_per_step).count() << "s)"
<< std::string(' ', 20) << std::flush;
}
model.applyBC(BC::Dirichlet::IncrementValue(increment, _y), "top");
coupler.solve();
if ( s % 100 == 0) {
model.dump();
}
}
finalize();
return EXIT_SUCCESS;
}

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