lattice-Boltzmann

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1

Dear lammps users

I tried to use lattice-Boltzmann in my simulation as well as i used last version of lammps
but this error happened:
group sss type 1

fix 1 sss lb/viscous
ERROR: Unknown fix style (…/modify.cpp:793

any help would be appreciated.

Best
Mahdi

2

See the packages documentation on how to install user supplied packages.

http://lammps.sandia.gov/doc/Section_start.html#start-3

The package you need is USER-LB