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Moved visualization

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This commit is contained in:
tarikdzanic
2025-07-17 13:26:05 -07:00
parent c2ae72a502
commit ff8b94de7c
2 changed files with 77 additions and 68 deletions
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examples/ex41.cpp
+39 -34
View File
@@ -198,40 +198,7 @@ int main(int argc, char *argv[])
// 8. Limit initial solution (if necessary).
Limit(u, uavg, lbound, ubound, dim, limiter_type, 0.0, 1.0);
// 9. Set up SSP time integrator (note that RK3 integrator does not apply
// limiting at inner stages, which may cause bounds-violations).
real_t t = 0.0;
ODESolver * ode_solver = NULL;
switch (ode_solver_type)
{
case 0: ode_solver = new ForwardEulerSolver; break;
case 1: ode_solver = new RK3SSPSolver; break;
default:
MFEM_ABORT("Unknown ODE solver type: " << ode_solver_type);
}
adv.SetTime(t);
ode_solver->Init(adv);
// 10. Perform time-stepping and limiting after each time step.
bool done = false;
for (int ti = 0; !done;)
{
real_t dt_real = min(dt, t_final - t);
ode_solver->Step(u, t, dt_real);
Limit(u, uavg, lbound, ubound, dim, limiter_type, 0.0, 1.0);
ti++;
done = (t >= t_final - 1e-8 * dt);
if (done || ti % vis_steps == 0)
{
cout << "Time step: " << ti << ", time: " << t << endl;
}
}
// 11. Visualize solution using GLVis.
// 9. Visualize solution using GLVis.
socketstream sout;
if (visualization)
{
@@ -256,6 +223,44 @@ int main(int argc, char *argv[])
}
}
// 10. Set up SSP time integrator (note that RK3 integrator does not apply
// limiting at inner stages, which may cause bounds-violations).
real_t t = 0.0;
ODESolver * ode_solver = NULL;
switch (ode_solver_type)
{
case 0: ode_solver = new ForwardEulerSolver; break;
case 1: ode_solver = new RK3SSPSolver; break;
default:
MFEM_ABORT("Unknown ODE solver type: " << ode_solver_type);
}
adv.SetTime(t);
ode_solver->Init(adv);
// 11. Perform time-stepping and limiting after each time step.
bool done = false;
for (int ti = 0; !done;)
{
real_t dt_real = min(dt, t_final - t);
ode_solver->Step(u, t, dt_real);
Limit(u, uavg, lbound, ubound, dim, limiter_type, 0.0, 1.0);
ti++;
done = (t >= t_final - 1e-8 * dt);
if (done || ti % vis_steps == 0)
{
cout << "Time step: " << ti << ", time: " << t << endl;
if (visualization)
{
sout << "solution\n" << mesh << u << flush;
}
}
}
// 12. Save the final solution. This output can be viewed later using GLVis:
// "glvis -m ex41.mesh -g ex41-final.gf".
{
examples/ex41p.cpp
+38 -34
View File
@@ -229,40 +229,8 @@ int main(int argc, char *argv[])
// 10. Limit initial solution (if necessary).
Limit(u, uavg, lbound, ubound, dim, limiter_type, 0.0, 1.0);
// 11. Set up SSP time integrator (note that RK3 integrator does not apply
// limiting at inner stages, which may cause bounds-violations).
real_t t = 0.0;
ODESolver * ode_solver = NULL;
switch (ode_solver_type)
{
case 0: ode_solver = new ForwardEulerSolver; break;
case 1: ode_solver = new RK3SSPSolver; break;
default:
MFEM_ABORT("Unknown ODE solver type: " << ode_solver_type);
}
adv.SetTime(t);
ode_solver->Init(adv);
// 12. Perform time-stepping and limiting after each time step.
bool done = false;
for (int ti = 0; !done;)
{
real_t dt_real = min(dt, t_final - t);
ode_solver->Step(u, t, dt_real);
Limit(u, uavg, lbound, ubound, dim, limiter_type, 0.0, 1.0);
ti++;
done = (t >= t_final - 1e-8 * dt);
if ((done || ti % vis_steps == 0) && (Mpi::Root()))
{
cout << "Time step: " << ti << ", time: " << t << endl;
}
}
// 13. Visualize solution using GLVis.
// 11. Visualize solution using GLVis.
socketstream sout;
if (visualization)
{
@@ -286,7 +254,7 @@ int main(int argc, char *argv[])
{
sout << "parallel " << num_procs << " " << myid << "\n";
sout.precision(precision);
sout << "solution\n" << mesh << u;
sout << "solution\n" << pmesh << u;
sout << "pause\n";
sout << flush;
if (Mpi::Root())
@@ -297,6 +265,42 @@ int main(int argc, char *argv[])
}
}
// 12. Set up SSP time integrator (note that RK3 integrator does not apply
// limiting at inner stages, which may cause bounds-violations).
real_t t = 0.0;
ODESolver * ode_solver = NULL;
switch (ode_solver_type)
{
case 0: ode_solver = new ForwardEulerSolver; break;
case 1: ode_solver = new RK3SSPSolver; break;
default:
MFEM_ABORT("Unknown ODE solver type: " << ode_solver_type);
}
adv.SetTime(t);
ode_solver->Init(adv);
// 13. Perform time-stepping and limiting after each time step.
bool done = false;
for (int ti = 0; !done;)
{
real_t dt_real = min(dt, t_final - t);
ode_solver->Step(u, t, dt_real);
Limit(u, uavg, lbound, ubound, dim, limiter_type, 0.0, 1.0);
ti++;
done = (t >= t_final - 1e-8 * dt);
if ((done || ti % vis_steps == 0) && (Mpi::Root()))
{
cout << "Time step: " << ti << ", time: " << t << endl;
if (visualization)
{
sout << "solution\n" << pmesh << u << flush;
}
}
}
// 14. Save the final solution. This output can be viewed later using GLVis:
// "glvis -m ex41.mesh -g ex41-final.gf".