Loading docs/source_docs/user_guide/inputs/mesh_and_gridding.rst +63 −0 Original line number Diff line number Diff line Loading @@ -98,6 +98,69 @@ mesh refinement algorithm and are only applicable when ``amr.max_level > 0``. See the `AMReX documentation <https://amrex-codes.github.io/amrex/docs_html/index.html>`_ for details on the adaptive mesh refinement algorithms. The following inputs are defined using the prefix ``mfix.tag``. They control how cells are tagged for the mesh refinement algorithm and are only applicable when ``amr.max_level > 0``. Cells intersected by the embedded boundary are always tagged for refinement, regardless of these settings. +----------------------+-----------------------------------------------------------------------+-------------+-----------+ | | Description | Type | Default | +======================+=======================================================================+=============+===========+ | rho | Tag cells for refinement when the fluid density is **greater than** | Reals | None | | | the specified value. | | | | | | | | | | * To tag cells when density is **less than** the specified value, | | | | | set ``mfix.rho.less_than = true``. | | | | | * Values may be specified per level. If fewer than ``amr.max_level`` | | | | | values are provided, the last value is used for all higher levels. | | | +----------------------+-----------------------------------------------------------------------+-------------+-----------+ | rho.less_than | Tag cells for refinement when the fluid density is **less than** the | Bool | false | | | specified value. | | | +----------------------+-----------------------------------------------------------------------+-------------+-----------+ | grad_rho | Tag cells for refinement when the difference in fluid density between | Reals | None | | | two adjacent cells is greater than the specified value. | | | | | | | | | | * To tag cells when the difference is less than the specified value, | | | | | set ``mfix.grad_rho.less_than = true``. | | | | | * Values may be specified per level. If fewer than ``amr.max_level`` | | | | | values are provided, the last value is used for all higher levels. | | | +----------------------+-----------------------------------------------------------------------+-------------+-----------+ | grad_rho.less_than | Tag cells for refinement when the difference in fluid density between | Bool | false | | | two adjacent cells is **less than** the specified value. | | | +----------------------+-----------------------------------------------------------------------+-------------+-----------+ | vel | Tag cells for refinement when the difference in any fluid velocity | Reals | None | | | component between two adjacent cells is **greater than** the | | | | | specified value. | | | | | | | | | | * To tag cells when the difference is less than the specified value, | | | | | set ``mfix.grad_vel.less_than = true``. | | | | | * Values may be specified per level. If fewer than ``amr.max_level`` | | | | | values are provided, the last value is used for all higher levels. | | | | | | | | | | Tag cells for refinement when the fluid velocity magnitude is | | | | | *greater than* the specified value. | | | +----------------------+-----------------------------------------------------------------------+-------------+-----------+ | vel.less_than | Tag cells for refinement when fluid velocity magnitude is | Bool | false | | | **less than** the specified value. | | | +----------------------+-----------------------------------------------------------------------+-------------+-----------+ | grad_vel | Tag cells for refinement when the difference in any fluid velocity | Reals | None | | | component between two adjacent cells is **greater than** the | | | | | specified value. | | | | | | | | | | * To tag cells when the difference is less than the specified value, | | | | | set ``mfix.grad_vel.less_than = true``. | | | | | * Values may be specified per level. If fewer than ``amr.max_level`` | | | | | values are provided, the last value is used for all higher levels. | | | +----------------------+-----------------------------------------------------------------------+-------------+-----------+ | grad_vel.less_than | Tag cells for refinement when the difference in any fluid velocity | Bool | false | | | component between two adjacent cells is **less than** the specified | | | | | value. | | | +----------------------+-----------------------------------------------------------------------+-------------+-----------+ | regions | A list of predefined regions used to identify sections of the domain | Strings | None | | | for mesh refinement. | | | +----------------------+-----------------------------------------------------------------------+-------------+-----------+ ----- Grids Loading Loading
docs/source_docs/user_guide/inputs/mesh_and_gridding.rst +63 −0 Original line number Diff line number Diff line Loading @@ -98,6 +98,69 @@ mesh refinement algorithm and are only applicable when ``amr.max_level > 0``. See the `AMReX documentation <https://amrex-codes.github.io/amrex/docs_html/index.html>`_ for details on the adaptive mesh refinement algorithms. The following inputs are defined using the prefix ``mfix.tag``. They control how cells are tagged for the mesh refinement algorithm and are only applicable when ``amr.max_level > 0``. Cells intersected by the embedded boundary are always tagged for refinement, regardless of these settings. +----------------------+-----------------------------------------------------------------------+-------------+-----------+ | | Description | Type | Default | +======================+=======================================================================+=============+===========+ | rho | Tag cells for refinement when the fluid density is **greater than** | Reals | None | | | the specified value. | | | | | | | | | | * To tag cells when density is **less than** the specified value, | | | | | set ``mfix.rho.less_than = true``. | | | | | * Values may be specified per level. If fewer than ``amr.max_level`` | | | | | values are provided, the last value is used for all higher levels. | | | +----------------------+-----------------------------------------------------------------------+-------------+-----------+ | rho.less_than | Tag cells for refinement when the fluid density is **less than** the | Bool | false | | | specified value. | | | +----------------------+-----------------------------------------------------------------------+-------------+-----------+ | grad_rho | Tag cells for refinement when the difference in fluid density between | Reals | None | | | two adjacent cells is greater than the specified value. | | | | | | | | | | * To tag cells when the difference is less than the specified value, | | | | | set ``mfix.grad_rho.less_than = true``. | | | | | * Values may be specified per level. If fewer than ``amr.max_level`` | | | | | values are provided, the last value is used for all higher levels. | | | +----------------------+-----------------------------------------------------------------------+-------------+-----------+ | grad_rho.less_than | Tag cells for refinement when the difference in fluid density between | Bool | false | | | two adjacent cells is **less than** the specified value. | | | +----------------------+-----------------------------------------------------------------------+-------------+-----------+ | vel | Tag cells for refinement when the difference in any fluid velocity | Reals | None | | | component between two adjacent cells is **greater than** the | | | | | specified value. | | | | | | | | | | * To tag cells when the difference is less than the specified value, | | | | | set ``mfix.grad_vel.less_than = true``. | | | | | * Values may be specified per level. If fewer than ``amr.max_level`` | | | | | values are provided, the last value is used for all higher levels. | | | | | | | | | | Tag cells for refinement when the fluid velocity magnitude is | | | | | *greater than* the specified value. | | | +----------------------+-----------------------------------------------------------------------+-------------+-----------+ | vel.less_than | Tag cells for refinement when fluid velocity magnitude is | Bool | false | | | **less than** the specified value. | | | +----------------------+-----------------------------------------------------------------------+-------------+-----------+ | grad_vel | Tag cells for refinement when the difference in any fluid velocity | Reals | None | | | component between two adjacent cells is **greater than** the | | | | | specified value. | | | | | | | | | | * To tag cells when the difference is less than the specified value, | | | | | set ``mfix.grad_vel.less_than = true``. | | | | | * Values may be specified per level. If fewer than ``amr.max_level`` | | | | | values are provided, the last value is used for all higher levels. | | | +----------------------+-----------------------------------------------------------------------+-------------+-----------+ | grad_vel.less_than | Tag cells for refinement when the difference in any fluid velocity | Bool | false | | | component between two adjacent cells is **less than** the specified | | | | | value. | | | +----------------------+-----------------------------------------------------------------------+-------------+-----------+ | regions | A list of predefined regions used to identify sections of the domain | Strings | None | | | for mesh refinement. | | | +----------------------+-----------------------------------------------------------------------+-------------+-----------+ ----- Grids Loading
