compute_smd_ulsph_num_neighs.txt
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compute_smd_ulsph_num_neighs.txt
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			.. index:: compute smd/ulsph/num/neighs

			compute smd/ulsph/num/neighs command
			====================================

			Syntax
			""""""

			.. parsed-literal::

			compute ID group-ID smd/ulsph/num/neighs

			* ID, group-ID are documented in :doc:`compute <compute>` command
			* smd/ulsph/num/neighs = style name of this compute command

			Examples
			""""""""

			.. parsed-literal::

			compute 1 all smd/ulsph/num/neighs

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

			Define a computation that returns the number of neighbor particles
			inside of the smoothing kernel radius for particles interacting via
			the updated Lagrangian SPH pair style.

			See `this PDF guide <USER/smd/SMD_LAMMPS_userguide.pdf>`_ to using Smooth
			Mach Dynamics in LAMMPS.

			Output info:

			This compute returns a per-particle vector, which can be accessed by
			any command that uses per-particle values from a compute as input.
			See :ref:`Section_howto 15 <howto_15>` for an overview of
			LAMMPS output options.

			The per-particle values will be given dimentionless, see :doc:`units <units>`.

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


			This compute is part of the USER-SMD package. It is only enabled if
			LAMMPS was built with that package. See the :ref:`Making LAMMPS <start_2>` section for more info. This compute
			can only be used for particles which interact with the updated
			Lagrangian SPH pair style.

			Related commands
			""""""""""""""""

			:doc:`compute smd/tlsph/num/neighs <compute_smd_tlsph_num_neighs>`

			Default: none


			.. _lws: http://lammps.sandia.gov
			.. _ld: Manual.html
			.. _lc: Section_commands.html#comm