Eigenvalue

Eigenvalue solves a standard/generalized eigenvaue problem

Input Parameters

  • snesmf_reuse_baseTrueSpecifies whether or not to reuse the base vector for matrix-free calculation

    Default:True

    C++ Type:bool

    Options:

    Description:Specifies whether or not to reuse the base vector for matrix-free calculation

  • line_search_packagepetscThe solver package to use to conduct the line-search

    Default:petsc

    C++ Type:MooseEnum

    Options:petsc moose

    Description:The solver package to use to conduct the line-search

  • petsc_options_inameNames of PETSc name/value pairs

    C++ Type:MultiMooseEnum

    Options:-ksp_atol -ksp_gmres_restart -ksp_max_it -ksp_pc_side -ksp_rtol -ksp_type -mat_fd_coloring_err -mat_fd_type -mat_mffd_type -pc_asm_overlap -pc_factor_levels -pc_factor_mat_ordering_type -pc_hypre_boomeramg_grid_sweeps_all -pc_hypre_boomeramg_max_iter -pc_hypre_boomeramg_strong_threshold -pc_hypre_type -pc_type -snes_atol -snes_linesearch_type -snes_ls -snes_max_it -snes_rtol -snes_type -sub_ksp_type -sub_pc_type

    Description:Names of PETSc name/value pairs

  • petsc_optionsSingleton PETSc options

    C++ Type:MultiMooseEnum

    Options:-dm_moose_print_embedding -dm_view -ksp_converged_reason -ksp_gmres_modifiedgramschmidt -ksp_monitor -ksp_monitor_snes_lg-snes_ksp_ew -ksp_snes_ew -snes_converged_reason -snes_ksp -snes_ksp_ew -snes_linesearch_monitor -snes_mf -snes_mf_operator -snes_monitor -snes_test_display -snes_view

    Description:Singleton PETSc options

  • splittingTop-level splitting defining a hierarchical decomposition into subsystems to help the solver.

    C++ Type:std::vector

    Options:

    Description:Top-level splitting defining a hierarchical decomposition into subsystems to help the solver.

  • line_searchdefaultSpecifies the line search type (Note: none = basic)

    Default:default

    C++ Type:MooseEnum

    Options:basic bt contact cp default l2 none shell

    Description:Specifies the line search type (Note: none = basic)

  • contact_line_search_ltolThe linear relative tolerance to be used while the contact state is changing between non-linear iterations. We recommend that this tolerance be looser than the standard linear tolerance

    C++ Type:double

    Options:

    Description:The linear relative tolerance to be used while the contact state is changing between non-linear iterations. We recommend that this tolerance be looser than the standard linear tolerance

  • petsc_options_valueValues of PETSc name/value pairs (must correspond with "petsc_options_iname"

    C++ Type:std::vector

    Options:

    Description:Values of PETSc name/value pairs (must correspond with "petsc_options_iname"

  • solve_typePJFNK: Preconditioned Jacobian-Free Newton Krylov JFNK: Jacobian-Free Newton Krylov NEWTON: Full Newton Solve FD: Use finite differences to compute Jacobian LINEAR: Solving a linear problem

    C++ Type:MooseEnum

    Options:PJFNK JFNK NEWTON FD LINEAR

    Description:PJFNK: Preconditioned Jacobian-Free Newton Krylov JFNK: Jacobian-Free Newton Krylov NEWTON: Full Newton Solve FD: Use finite differences to compute Jacobian LINEAR: Solving a linear problem

  • mffd_typewpSpecifies the finite differencing type for Jacobian-free solve types. Note that the default is wp (for Walker and Pernice).

    Default:wp

    C++ Type:MooseEnum

    Options:wp ds

    Description:Specifies the finite differencing type for Jacobian-free solve types. Note that the default is wp (for Walker and Pernice).

  • contact_line_search_allowed_lambda_cuts2The number of times lambda is allowed to be cut in half in the contact line search. We recommend this number be roughly bounded by 0 <= allowed_lambda_cuts <= 3

    Default:2

    C++ Type:unsigned int

    Options:

    Description:The number of times lambda is allowed to be cut in half in the contact line search. We recommend this number be roughly bounded by 0 <= allowed_lambda_cuts <= 3

Optional Parameters

  • l_abs_step_tol-1Linear Absolute Step Tolerance

    Default:-1

    C++ Type:double

    Options:

    Description:Linear Absolute Step Tolerance

  • nl_abs_tol1e-50Nonlinear Absolute Tolerance

    Default:1e-50

    C++ Type:double

    Options:

    Description:Nonlinear Absolute Tolerance

  • nl_max_its50Max Nonlinear Iterations

    Default:50

    C++ Type:unsigned int

    Options:

    Description:Max Nonlinear Iterations

  • l_max_its10000Max Linear Iterations

    Default:10000

    C++ Type:unsigned int

    Options:

    Description:Max Linear Iterations

  • compute_initial_residual_before_preset_bcsFalseUse the residual norm computed *before* PresetBCs are imposed in relative convergence check

    Default:False

    C++ Type:bool

    Options:

    Description:Use the residual norm computed *before* PresetBCs are imposed in relative convergence check

  • nl_rel_tol1e-08Nonlinear Relative Tolerance

    Default:1e-08

    C++ Type:double

    Options:

    Description:Nonlinear Relative Tolerance

  • l_tol1e-05Linear Tolerance

    Default:1e-05

    C++ Type:double

    Options:

    Description:Linear Tolerance

  • nl_max_funcs10000Max Nonlinear solver function evaluations

    Default:10000

    C++ Type:unsigned int

    Options:

    Description:Max Nonlinear solver function evaluations

  • nl_rel_step_tol1e-50Nonlinear Relative step Tolerance

    Default:1e-50

    C++ Type:double

    Options:

    Description:Nonlinear Relative step Tolerance

  • nl_abs_step_tol1e-50Nonlinear Absolute step Tolerance

    Default:1e-50

    C++ Type:double

    Options:

    Description:Nonlinear Absolute step Tolerance

Solver Parameters

    Restart Parameters

    • no_fe_reinitFalseSpecifies whether or not to reinitialize FEs

      Default:False

      C++ Type:bool

      Options:

      Description:Specifies whether or not to reinitialize FEs

    • control_tagsAdds user-defined labels for accessing object parameters via control logic.

      C++ Type:std::vector

      Options:

      Description:Adds user-defined labels for accessing object parameters via control logic.

    • enableTrueSet the enabled status of the MooseObject.

      Default:True

      C++ Type:bool

      Options:

      Description:Set the enabled status of the MooseObject.

    Advanced Parameters

    Input Files