Class PETScNonLinearSolver

Defined in File petsc_nonlinear_solver.h

Inheritance Relationships

Base Type

public opensn::NonLinearSolver (Class NonLinearSolver)

Derived Types

public opensn::NLKEigenDiffSolver (Class NLKEigenDiffSolver)
public opensn::NLKEigenvalueAGSSolver (Class NLKEigenvalueAGSSolver)

Class Documentation

class PETScNonLinearSolver : public opensn::NonLinearSolver 

Implementation of a PETSc non-linear solver.

Subclassed by opensn::NLKEigenDiffSolver, opensn::NLKEigenvalueAGSSolver

Public Functions

explicit PETScNonLinearSolver(std::shared_ptr<NonLinearSolverContext> context_ptr, const InputParameters &params = PETScNonLinearSolverOptions::GetInputParameters())

~PETScNonLinearSolver() override

inline PETScNonLinearSolverOptions &GetToleranceOptions()

void ApplyToleranceOptions()

inline bool IsConverged() const

std::string GetConvergedReasonString() const

virtual void Setup() override

virtual void Solve() override

Protected Functions

inline bool IsSystemSet() const

virtual void PreSetupCallback()

virtual void SetOptions()

virtual void SetSolverContext()

virtual void SetConvergenceTest()

virtual void SetMonitor()

virtual void SetPreconditioner()

virtual void SetSystemSize() = 0

virtual void SetSystem() = 0

virtual void SetFunction() = 0

virtual void SetJacobian() = 0

virtual void PostSetupCallback()

virtual void PreSolveCallback()

virtual void SetInitialGuess() = 0

virtual void PostSolveCallback()

Protected Attributes

Mat J_

Mat P_

Vec r_

Vec x_

SNES nl_solver_

int64_t num_local_dofs_

int64_t num_global_dofs_

PETScNonLinearSolverOptions options_