I got the problem with writing Pair_style hybrid and pair_coeff

LAMMPS LAMMPS Beginners
1

Please give me a guide
with the input atoms
1 Ti
2 C
3 Ni
interaction Ti-C, Ti-Ni are MEAM
Ni-Ni is EAM
C-C is tersoff
so i write potential as
pair_style hybrid/overlay meam eam tersoff morse 10.0
pair_coeff * * meam libraryTiC.meam Ti C TiC.meam Ti C
pair_coeff * * meam libraryNiTi.meam Ti Ni NiTi.meam Ti Ni
pair_coeff * * eam/alloy Ni.eam Ni Ni Ni.eam Ni Ni
pair_coeff * * tersoff SiC.tersoff C NULL NULL
pair_coeff 2 3 morse 0.999 4.162 # C-Ni

however output is error
Reading potential file meam.libraryTiC.meam with DATE: 2015-02-12
ERROR on proc 0: Cannot open MEAM potential file C (…/pair_meam.cpp:646)

please help me for this
Thanks

2

This is makes no sense.

This makes even less sense.

There are syntax errors here.

You need to find a parameterization that covers all elements with the same pair style. Trying to achieve this by stitching different many-body potentials together ignores their manybody components and is guaranteed to produce bogus results, even if you figure out how to address the errors in your input.

3

Thanks Professor for this feedback
I agreed for the mistake in here

pair_coeff * * meam libraryTiC.meam Ti C TiC.meam Ti C
pair_coeff * * meam libraryNiTi.meam Ti Ni NiTi.meam Ti Ni
pair_coeff * * eam/alloy Ni.eam Ni Ni Ni.eam Ni Ni
[/quote]

however by read on docs.LAMMPS i still cannot fix it
Thanks

4

There is no value in fixing this because your overall approach is completely bogus and pointless.

5

Thanks Professor for feedback.