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@ESeNonFossiIo
ESeNonFossiIo committed Mar 25, 2016
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150 changes: 150 additions & 0 deletions tests/parameters/poisson_problem_04.prm
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# Parameter file generated with
# D2K_GIT_BRANCH= master
# D2K_GIT_SHORTREV= a43b2c9
# DEAL_II_GIT_BRANCH= master
# DEAL_II_GIT_SHORTREV= 2aed525
subsection Dirichlet boundary conditions
set IDs and component masks = 0=ALL
set IDs and expressions = 0=(1-y)*y*sin(2*pi*(x-t))
set Known component names = u
set Used constants =
end
subsection Domain
set Colorize = false
set Copy boundary to manifold ids = false
set Copy material to manifold ids = false
set Create default manifolds = true
set Grid to generate = rectangle
set Input grid file name =
set Manifold descriptors =
set Mesh smoothing alogrithm = none
set Optional Point<spacedim> 1 = 0,0
set Optional Point<spacedim> 2 = 1,1
set Optional double 1 = 1.0
set Optional double 2 = 0.5
set Optional double 3 = 1.5
set Optional int 1 = 1
set Optional int 2 = 2
set Optional vector of dim int = 1,1
set Output grid file name =
end
subsection Error Tables
set Compute error = true
set Error file format = tex
set Error precision = 3
set Output error tables = true
set Solution names = u
set Solution names for latex = u
set Table names = error
set Write error files = false
subsection Table 0
set Add convergence rates = true
set Extra terms = cells,dofs
set Latex table caption = error
set List of error norms to compute = L2,H1
set Rate key =
end
end
subsection Exact solution
set Function constants =
set Function expression = (1-y)*y*sin(2*pi*(x-t))
set Variable names = x,y,t
end
subsection Forcing terms
set IDs and component masks = 0=u
set IDs and expressions = 0=2*pi*(y-1)*y*cos(-2*pi*(t-x))-2*(2*pi^2*(y-1)*y*sin(-2*pi*(t-x))-sin(-2*pi*(t-x)))
set Known component names = u
set Used constants =
end
subsection IDA Solver Parameters
set Absolute error tolerance = 1e-4
set Final time = 0.1
set Ignore algebraic terms for error computations = false
set Initial condition Newton max iterations = 5
set Initial condition Newton parameter = 0.33
set Initial condition type = use_y_diff
set Initial condition type after restart = use_y_dot
set Initial step size = 1e-4
set Initial time = 0
set Maximum number of nonlinear iterations = 10
set Maximum order of BDF = 5
set Min step size = 5e-5
set Relative error tolerance = 1e-3
set Seconds between each output = 1e-2
set Show output of time steps = true
set Use local tolerances = false
end
subsection IMEX Parameters
set Absolute error tolerance = 1e-6
set Final time = 0.
set Initial time = 0.
set Intervals between outputs = 1
set Maximum number of inner nonlinear iterations = 3
set Maximum number of outer nonlinear iterations = 5
set Newton relaxation parameter = 1.000000
set Relative error tolerance = 0.000000
set Step size = 1e10
set Update continuously Jacobian = true
end
subsection Initial solution
set Function constants =
set Function expression = 0
set Variable names = x,y,t
end
subsection Initial solution_dot
set Function constants =
set Function expression = 0
set Variable names = x,y,t
end
subsection Neumann boundary conditions
set IDs and component masks =
set IDs and expressions =
set Known component names = u
set Used constants =
end
subsection Output Parameters
set Files to save in run directory =
set Incremental run prefix =
set Output format = vtu
set Output partitioning = false
set Problem base name = strong
set Solution names = u
set Subdivisions = 1
end
subsection Poisson problem
set Block of differential components = 1
set Blocking of the finite element = u
set Finite element space = FESystem[FE_Q(1)]
end
subsection Refinement
set Bottom fraction = 0.2
set Maximum number of cells (if available) = 0
set Order (optimize) = 2
set Refinement strategy = fraction
set Top fraction = 0.2
end
subsection Time derivative of Dirichlet boundary conditions
set IDs and component masks =
set IDs and expressions =
set Known component names = u
set Used constants =
end
subsection Zero average constraints
set Known component names = u
set Zero average on boundary =
set Zero average on whole domain =
end
subsection pidomus
set Adaptive refinement = true
set Initial global refinement = 1
set Jacobian solver tolerance = 1e-8
set Maximum number of time steps = 10000
set Number of cycles = 1
set Overwrite Newton's iterations = true
set Print some useful informations about processes = true
set Refine mesh during transient = true
set Threshold for solver's restart = 1e-2
set Time stepper = ida
set Show timer = false
set Use direct solver if available = true
end
29 changes: 29 additions & 0 deletions tests/poisson_04.cc
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#include "pidomus.h"
#include "interfaces/poisson_problem.h"
#include "tests.h"

using namespace dealii;
int main (int argc, char *argv[])
{

Utilities::MPI::MPI_InitFinalize mpi_initialization(argc, argv, 1);

initlog();
deallog.depth_file(1);

const int dim = 2;
const int spacedim = 2;

PoissonProblem<dim,spacedim,LAPETSc> p;
piDoMUS<dim,spacedim,LAPETSc> solver ("pidomus",p);
ParameterAcceptor::initialize(SOURCE_DIR "/parameters/poisson_problem_04.prm", "used_parameters.prm");


solver.run ();

auto sol = solver.get_solution();
for (unsigned int i = 0; i<sol.size(); ++i)
deallog << sol[i] << std::endl;

return 0;
}
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