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lammps/doc/src/compute_smd_tlsph_strain.txt
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compute_smd_tlsph_strain.txt
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"LAMMPS WWW Site"_lws - "LAMMPS Documentation"_ld - "LAMMPS Commands"_lc :c
:link(lws,http://lammps.sandia.gov)
:link(ld,Manual.html)
:link(lc,Section_commands.html#comm)
:line
compute smd/tlsph/strain command :h3
[Syntax:]
compute ID group-ID smd/tlsph/strain :pre
ID, group-ID are documented in "compute"_compute.html command
smd/tlsph/strain = style name of this compute command :ul
[Examples:]
compute 1 all smd/tlsph/strain :pre
[Description:]
Define a computation that calculates the Green-Lagrange strain tensor
for particles interacting via the Total-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 calculates a per-particle vector of vectors (tensors),
which can be accessed by any command that uses per-particle values
from a compute as input. See "How-to discussions, section
6.15"_Section_howto.html#howto_15 for an overview of LAMMPS output
options.
The per-particle tensor values will be given dimensionless. See
"units"_units.html.
The per-particle vector has 6 entries, corresponding to the xx, yy,
zz, xy, xz, yz components of the symmetric strain tensor.
[Restrictions:]
This compute is part of the USER-SMD package. It is only enabled if
LAMMPS was built with that package. See the "Making
LAMMPS"_Section_start.html#start_3 section for more info.
This quantity will be computed only for particles which interact with
the Total-Lagrangian SPH pair style.
[Related commands:]
"smd/tlsph/strain/rate"_compute_smd_tlsph_strain_rate.html,
"smd/tlsph/stress"_compute_smd_tlsph_stress.html
[Default:] none
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