From be8455075bbb3a8759d1e87391d57ac0e63446f9 Mon Sep 17 00:00:00 2001 From: Ann Almgren <asalmgren@lbl.gov> Date: Thu, 13 Jun 2019 12:59:19 -0700 Subject: [PATCH] Rename file --- docs/source/InputsMultigrid.rst | 76 +++++++++++++++++++++++++++++++++ 1 file changed, 76 insertions(+) create mode 100644 docs/source/InputsMultigrid.rst diff --git a/docs/source/InputsMultigrid.rst b/docs/source/InputsMultigrid.rst new file mode 100644 index 0000000..983d546 --- /dev/null +++ b/docs/source/InputsMultigrid.rst @@ -0,0 +1,76 @@ +.. _Chap:InputsMultigrid: + +Multigrid Inputs +================ + +The following inputs can be set directly in the AMReX solver classes but we +set them via the MFiX-Exa routines because we may want different inputs for the +differnt solvers called by MFiX-Exa. + +These control the nodal projection and must be preceded by "mfix": + ++-------------------------+-----------------------------------------------------------------------+-------------+--------------+ +| | Description | Type | Default | ++-------------------------+-----------------------------------------------------------------------+-------------+--------------+ +| mg_verbose | Verbosity of multigrid solver in nodal projection | Int | 0 | ++-------------------------+-----------------------------------------------------------------------+-------------+--------------+ +| mg_cg_verbose | Verbosity of BiCGStab solver in nodal projection | Int | 0 | ++-------------------------+-----------------------------------------------------------------------+-------------+--------------+ +| mg_rtol | Relative tolerance in nodal projection | Real | 1.e-11 | ++-------------------------+-----------------------------------------------------------------------+-------------+--------------+ +| mg_atol | Absolute tolerance in nodal projection | Real | 1.e-14 | ++-------------------------+-----------------------------------------------------------------------+-------------+--------------+ +| mg_maxiter | Maximum number of iterations in the nodal projection | Int | | ++-------------------------+-----------------------------------------------------------------------+-------------+--------------+ +| mg_cg_maxiter | Maximum number of iterations in the nodal projection | Int | | +| | bottom solver if using bicg, cg, bicgcg or cgbicg | | | ++-------------------------+-----------------------------------------------------------------------+-------------+--------------+ +| mg_max_coarsening_level | Maximum number of coarser levels to allowin the nodal projection | Int | | +| | If set to 0, the bottom solver will be called at the current level | | | ++-------------------------+-----------------------------------------------------------------------+-------------+--------------+ +| bottom_solver_type | Which bottom solver to use in the nodal projection | String | bicgcg | +| | Options are bicgstab, cg, cgbicg, smoother or hypre | | | ++-------------------------+-----------------------------------------------------------------------+-------------+--------------+ + +These control the MAC projection and must be preceded by "mac": + ++-------------------------+-----------------------------------------------------------------------+-------------+--------------+ +| | Description | Type | Default | ++======================+=======================================================================+=============+=================+ +| mg_verbose | Verbosity of multigrid solver in MAC projection | Int | 0 | ++-------------------------+-----------------------------------------------------------------------+-------------+--------------+ +| mg_cg_verbose | Verbosity of BiCGStab solver in MAC projection | Int | 0 | ++-------------------------+-----------------------------------------------------------------------+-------------+--------------+ +| mg_rtol | Relative tolerance in MAC projection | Real | 1.e-11 | ++-------------------------+-----------------------------------------------------------------------+-------------+--------------+ +| mg_atol | Absolute tolerance in MAC projection | Real | 1.e-14 | ++-------------------------+-----------------------------------------------------------------------+-------------+--------------+ +| mg_maxiter | Maximum number of iterations in the MAC projection | Int | | ++-------------------------+-----------------------------------------------------------------------+-------------+--------------+ +| mg_cg_maxiter | Maximum number of iterations in the MAC projection | Int | | +| | bottom solver if using bicg, cg, bicgcg or cgbicg | | | ++-------------------------+-----------------------------------------------------------------------+-------------+--------------+ +| mg_max_coarsening_level | Maximum number of coarser levels to allowin the nodal projection | Int | | +| | If set to 0, the bottom solver will be called at the current level | | | ++-------------------------+-----------------------------------------------------------------------+-------------+--------------+ +| bottom_solver_type | Which bottom solver to use in the MAC projection | String | bicgcg | +| | Options are bicgstab, cg, cgbicg, smoother or hypre | | | ++-------------------------+-----------------------------------------------------------------------+-------------+--------------+ + +These control the diffusion solver and must be preceded by "diff": +The following inputs must be preceded by "diff" + ++----------------------+-----------------------------------------------------------------------+-------------+--------------+ +| | Description | Type | Default | ++======================+=======================================================================+=============+==============+ +| mg_verbose | Verbosity of linear solver for diffusion solve | Int | 0 | ++----------------------+-----------------------------------------------------------------------+-------------+--------------+ +| mg_cg_verbose | Verbosity of BiCGStab solver in diffusion solve | Int | 0 | ++----------------------+-----------------------------------------------------------------------+-------------+--------------+ +| mg_rtol | Relative tolerance in diffusion solve | Real | 1.e-11 | ++----------------------+-----------------------------------------------------------------------+-------------+--------------+ +| mg_atol | Absolute tolerance in diffusion solve | Real | 1.e-14 | ++----------------------+-----------------------------------------------------------------------+-------------+--------------+ +| bottom_solver_type | Which bottom solver to use in the diffusion solve | String | bicgcg | +| | Options are bicgstab, cg, cgbicg, smoother or hypre | | | ++----------------------+-----------------------------------------------------------------------+-------------+--------------+ -- GitLab