.. index:: fix_modify AtC mesh create

fix_modify AtC mesh create command
===================================

Syntax
""""""

.. code-block:: LAMMPS

   fix_modify <AtC fixID> mesh create <nx> <ny> <nz> <region-ID> <f|p> <f|p> <f|p>

* AtC fixID = ID of :doc:`fix atc <fix_atc>` instance
* mesh create = name of the AtC sub-command
* nx ny nz = number of elements in x-, y-, and z-direction
* region-ID = ID of region that is to be meshed
* f or p = periodicity flags for x-, y-, and z-direction

Examples
""""""""

.. code-block:: LAMMPS

   fix_modify AtC mesh create 10 1 1 feRegion p p p

Description
"""""""""""

Creates a uniform mesh in a rectangular region.

Restrictions
""""""""""""

Creates only uniform rectangular grids in a rectangular region

Related AtC commands
""""""""""""""""""""

- :ref:`fix_modify AtC command overview <atc_fix_modify>`
- :doc:`fix_modify AtC mesh quadrature <atc_mesh_quadrature>`

Default
"""""""

When created, the mesh defaults to gauss2 (2-point Gaussian)
quadrature. Use the :doc:`fix_modify AtC mesh quadrature
<atc_mesh_quadrature>` command to change the quadrature style.
