ProcessData.cpp

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#include "ProcessData.h"
 
#include "NumLib/ODESolver/PETScNonlinearSolver.h"
 
namespace ProcessLib
{
void setEquationSystem(ProcessData const& process_data)
{
    auto& conv_crit = *process_data.conv_crit;
    auto& nonlinear_solver = process_data.nonlinear_solver;
 
    using Tag = NumLib::NonlinearSolverTag;
    switch (process_data.nonlinear_solver_tag)
    {
        case Tag::Picard:
        {
            using EqSys = NumLib::NonlinearSystem<Tag::Picard>;
            auto& eq_sys_ = static_cast<EqSys&>(*process_data.tdisc_ode_sys);
            if (auto* nl_solver =
                    dynamic_cast<NumLib::NonlinearSolver<Tag::Picard>*>(
                        &nonlinear_solver);
                nl_solver != nullptr)
            {
                nl_solver->setEquationSystem(eq_sys_, conv_crit);
            }
            else
            {
                OGS_FATAL(
                    "Could not cast nonlinear solver to Picard type solver.");
            }
            break;
        }
        case Tag::Newton:
        {
            using EqSys = NumLib::NonlinearSystem<Tag::Newton>;
            auto& eq_sys_ = static_cast<EqSys&>(*process_data.tdisc_ode_sys);
 
            if (auto* nl_solver =
                    dynamic_cast<NumLib::NonlinearSolver<Tag::Newton>*>(
                        &nonlinear_solver);
                nl_solver != nullptr)
            {
                nl_solver->setEquationSystem(eq_sys_, conv_crit);
            }
#ifdef USE_PETSC
            else if (auto* nl_solver =
                         dynamic_cast<NumLib::PETScNonlinearSolver*>(
                             &nonlinear_solver);
                     nl_solver != nullptr)
            {
                nl_solver->setEquationSystem(eq_sys_, conv_crit);
            }
#endif  // USE_PETSC
            else
            {
                OGS_FATAL(
                    "Could not cast nonlinear solver to Newton type solver.");
            }
            break;
        }
    }
}
 
}  // namespace ProcessLib