Beispiel #1
0
    def write_eam_setfl_file(self,parameters,potential,setfl_fn):

        from pypospack.potential import EamPotential
        is_debug = False

        assert isinstance(parameters,OrderedDict)
        assert isinstance(potential,OrderedDict)
        assert isinstance(setfl_fn,str)

        if is_debug:
            print(parameters)
            print(potential)
            print(setfl_fn)

        p = EamPotential(
                symbols=potential['symbols'],
                func_pair=potential['pair_type'],
                func_density=potential['density_type'],
                func_embedding=potential['embedding_type']
        )
        p.write_setfl_file(
                filename=setfl_fn,
                symbols=potential['symbols'],
                Nr=potential['N_r'],
                rmax=potential['r_max'],
                rcut=potential['r_cut'],
                Nrho=potential['N_rho'],
                rhomax=potential['rho_max'],
                parameters=parameters
        )
Beispiel #2
0
    for name in datafile.parameter_names:
        parameters[name] = subselect_df[name].values[0]

    # plotting portion copied from pypospack.tests.tests_integration.eamtools.EamSetflFile.dev_EamSetflFile

    setfl_fn = "Ni__eam__born_exp_fs.eam.alloy"
    n_r = 2000
    r_max = 10.0
    r_cut = 10.0
    n_rho = 2000
    rho_max = 10.0

    eam_potential.write_setfl_file(filename=setfl_fn,
                                   symbols=symbols,
                                   Nr=n_r,
                                   rmax=r_max,
                                   rcut=r_cut,
                                   Nrho=n_rho,
                                   rhomax=rho_max,
                                   parameters=parameters)

    setfl_file = EamSetflFile()
    setfl_file.read(setfl_fn)

    r = setfl_file.r
    rho = setfl_file.rho
    pair = setfl_file.func_pairpotential['Ni.Ni']
    embed = setfl_file.func_embedding['Ni']
    dens = setfl_file.func_density['Ni']

    fig, axes = plt.subplots(3, 1)
    r_low = 1
_pair = [p for p in rho]
for p in _pair:
    for s in sites:
        print("{s:^10}{N_s:^10}{da:^10.4f}{rho:^15.4e}{ttl_rho:^15.4e}".format(
            s=s,
            N_s=N[s],
            da=da[s],
            rho=rho[p][s],
            ttl_rho=N[s]*rho[p][s]))
sites_lte_1NN = ['1NN']
rho_lte_1NN = 0.


filename = "Ni.eam.alloy"
Nr = configuration['potential']['N_r']
rmax = configuration['potential']['r_max']
rcut = configuration['potential']['r_cut']
Nrho = configuration['potential']['N_rho']
rhomax = configuration['potential']['rho_max']
eam.write_setfl_file(
        filename=filename,
        symbols=symbols,
        Nr=Nr,
        rmax=rmax,
        rcut=rcut,
        Nrho=Nrho,
        rhomax=rhomax,
        parameters=parameters)

assert os.path.isfile(filename)