ID, group-ID are documented in fix command
momentum = style name of this fix command
N = adjust the momentum every this many timestepsone or more keyword/value pairs may be appended
keyword = linear or angular or rescale
fix ID group-ID momentum/chunk N chunkID keyword values …
ID, group-ID are documented in fix command
Free poker practice for fun. momentum/chunk = style name of this fix command
N = adjust the momentum per chunk every this many timesteps
chunkID = ID of compute chunk/atom command
one or more keyword/value pairs may be appended
keyword = linear or angular or rescale
Cable free audio routing for windows. Fix momentum zeroes the linear and/or angular momentum of the group ofatoms every N timesteps by adjusting the velocities of the atoms.Fix momentum/chunk works equivalently, but operates on a per-chunk basis.
One (or both) of the linear or angular keywords must https://coolsup273.weebly.com/free-keno-online.html. be specified.
If the linear keyword is used, the linear momentum is zeroed bysubtracting the center-of-mass velocity of the group or chunk from eachatom. This does not change the relative velocity of any pair of atoms.One or more dimensions can be excluded from this operation by settingthe corresponding flag to 0.
If the angular keyword is used, the angular momentum is zeroed bysubtracting a rotational component from each atom. No deposit bonus 2.
This command can be used to insure the entire collection of atoms (ora subset of them) does not drift or rotate during the simulation dueto random perturbations (e.g. fix langevinthermostatting).
The rescale keyword enables conserving the kinetic energy of the groupor chunk of atoms by rescaling the velocities after the momentum was removed.
Note that the velocity command can be used to createinitial velocities with zero aggregate linear and/or angular momentum.
Styles with a gpu, intel, kk, omp, or opt suffix arefunctionally the same as the corresponding style without the suffix.They have been optimized to run faster, depending on your availablehardware, as discussed on the Speed packages docpage. The accelerated styles take the same arguments and shouldproduce the same results, except for round-off and precision issues.
These accelerated styles are part of the GPU, USER-INTEL, KOKKOS,USER-OMP and OPT packages, respectively. They are only enabled ifLAMMPS was built with those packages. See the Build package doc page for more info.
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You can specify the accelerated styles explicitly in your input scriptby including their suffix, or you can use the -suffix command-line switch when you invoke LAMMPS, or you can use thesuffix command in your input script.
See the Speed packages doc page for moreinstructions on how to use the accelerated styles effectively.
No information about this fix is written to binary restart files. None of the fix_modify options arerelevant to this fix. No global or per-atom quantities are stored bythis fix for access by various output commands.No parameter of this fix can be used with the start/stop keywords ofthe run command. This fix is not invoked duringenergy minimization.
Fix momentum/chunk is part of the USER-MISC package. It is only enabledif LAMMPS was built with that package. See the Build package doc page for more info.
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