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lammps/doc/src/compute_smd_ulsph_strain_rate.txt
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compute_smd_ulsph_strain_rate.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/ulsph/strain/rate command :h3
[Syntax:]
compute ID group-ID smd/ulsph/strain/rate :pre
ID, group-ID are documented in "compute"_compute.html command
smd/ulsph/strain/rate = style name of this compute command :ul
[Examples:]
compute 1 all smd/ulsph/strain/rate :pre
[Description:]
Define a computation that outputs the rate of the logarithmic strain
tensor 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 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 "Section
6.15"_Section_howto.html#howto_15 for an overview of LAMMPS output
options.
The values will be given in "units"_units.html of one over time.
The per-particle vector has 6 entries, corresponding to the xx, yy,
zz, xy, xz, yz components of the symmetric strain rate 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_2 section for more info. This compute
can only be used for particles which interact with the updated
Lagrangian SPH pair style.
[Related commands:]
"compute smd/tlsph/strain/rate"_compute_smd_tlsph_strain_rate.html
[Default:] none
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