Beispiel #1
0
def make_lammps(jdata, conf_dir, task_type):
    fp_params = jdata['lammps_params']
    model_dir = fp_params['model_dir']
    type_map = fp_params['type_map']
    model_dir = os.path.abspath(model_dir)
    model_name = fp_params['model_name']
    deepmd_version = fp_params.get("deepmd_version", "0.12")
    if not model_name and task_type == 'deepmd':
        models = glob.glob(os.path.join(model_dir, '*pb'))
        model_name = [os.path.basename(ii) for ii in models]
        assert len(model_name) > 0, "No deepmd model in the model_dir"
    else:
        models = [os.path.join(model_dir, ii) for ii in model_name]

    model_param = {
        'model_name': model_name,
        'param_type': fp_params['model_param_type'],
        'deepmd_version': deepmd_version
    }

    ntypes = len(type_map)
    conf_path = os.path.abspath(conf_dir)
    equi_path = re.sub('confs', global_task_name, conf_path)
    os.makedirs(equi_path, exist_ok=True)
    cwd = os.getcwd()
    from_poscar = os.path.join(conf_path, 'POSCAR')
    to_poscar = os.path.join(equi_path, 'POSCAR')
    if os.path.exists(to_poscar):
        assert (filecmp.cmp(from_poscar, to_poscar))
    else:
        os.chdir(equi_path)
        os.symlink(os.path.relpath(from_poscar), 'POSCAR')
        os.chdir(cwd)
    # lmp path
    lmp_path = os.path.join(equi_path, task_type)
    os.makedirs(lmp_path, exist_ok=True)
    print(lmp_path)
    # lmp conf
    conf_file = os.path.join(lmp_path, 'conf.lmp')
    lammps.cvt_lammps_conf(to_poscar, os.path.relpath(conf_file))
    ptypes = vasp.get_poscar_types(to_poscar)
    lammps.apply_type_map(conf_file, type_map, ptypes)
    # lmp input
    if task_type == 'deepmd':
        fc = lammps.make_lammps_equi(os.path.basename(conf_file), ntypes,
                                     lammps.inter_deepmd, model_param)
    elif task_type == 'meam':
        fc = lammps.make_lammps_equi(os.path.basename(conf_file), ntypes,
                                     lammps.inter_meam, model_param)
    with open(os.path.join(lmp_path, 'lammps.in'), 'w') as fp:
        fp.write(fc)
    # link models
    os.chdir(lmp_path)
    for ii in model_name:
        if os.path.exists(ii):
            os.remove(ii)
    for (ii, jj) in zip(models, model_name):
        os.symlink(os.path.relpath(ii), jj)
    os.chdir(cwd)
Beispiel #2
0
def make_meam_lammps(jdata, conf_dir):
    meam_potfile_dir = jdata['meam_potfile_dir']
    meam_potfile_dir = os.path.abspath(meam_potfile_dir)
    meam_potfile = jdata['meam_potfile']
    meam_potfile = [os.path.join(meam_potfile_dir, ii) for ii in meam_potfile]
    meam_potfile_name = jdata['meam_potfile']
    type_map = jdata['meam_type_map']
    ntypes = len(type_map)
    meam_param = {
        'meam_potfile': jdata['meam_potfile'],
        'meam_type': jdata['meam_param_type']
    }

    conf_path = os.path.abspath(conf_dir)
    equi_path = re.sub('confs', global_task_name, conf_path)
    os.makedirs(equi_path, exist_ok=True)
    cwd = os.getcwd()
    from_poscar = os.path.join(conf_path, 'POSCAR')
    to_poscar = os.path.join(equi_path, 'POSCAR')
    if os.path.exists(to_poscar):
        assert (filecmp.cmp(from_poscar, to_poscar))
    else:
        os.chdir(equi_path)
        os.symlink(os.path.relpath(from_poscar), 'POSCAR')
        os.chdir(cwd)
    # lmp path
    lmp_path = os.path.join(equi_path, 'meam')
    os.makedirs(lmp_path, exist_ok=True)
    print(lmp_path)
    # lmp conf
    conf_file = os.path.join(lmp_path, 'conf.lmp')
    lammps.cvt_lammps_conf(to_poscar, os.path.relpath(conf_file))
    ptypes = vasp.get_poscar_types(to_poscar)
    lammps.apply_type_map(conf_file, type_map, ptypes)
    # lmp input
    fc = lammps.make_lammps_equi(os.path.basename(conf_file), ntypes,
                                 lammps.inter_meam, meam_param)
    with open(os.path.join(lmp_path, 'lammps.in'), 'w') as fp:
        fp.write(fc)
    # link models
    os.chdir(lmp_path)
    for ii in meam_potfile_name:
        if os.path.exists(ii):
            os.remove(ii)
    for (ii, jj) in zip(meam_potfile, meam_potfile_name):
        os.symlink(os.path.relpath(ii), jj)
    os.chdir(cwd)
Beispiel #3
0
def make_deepmd_lammps(jdata, conf_dir):
    deepmd_model_dir = jdata['deepmd_model_dir']
    deepmd_type_map = jdata['deepmd_type_map']
    ntypes = len(deepmd_type_map)
    deepmd_model_dir = os.path.abspath(deepmd_model_dir)
    deepmd_models = glob.glob(os.path.join(deepmd_model_dir, '*pb'))
    deepmd_models_name = [os.path.basename(ii) for ii in deepmd_models]

    conf_path = os.path.abspath(conf_dir)
    equi_path = re.sub('confs', global_task_name, conf_path)
    os.makedirs(equi_path, exist_ok=True)
    cwd = os.getcwd()
    from_poscar = os.path.join(conf_path, 'POSCAR')
    to_poscar = os.path.join(equi_path, 'POSCAR')
    if os.path.exists(to_poscar):
        assert (filecmp.cmp(from_poscar, to_poscar))
    else:
        os.chdir(equi_path)
        os.symlink(os.path.relpath(from_poscar), 'POSCAR')
        os.chdir(cwd)
    # lmp path
    lmp_path = os.path.join(equi_path, 'deepmd')
    os.makedirs(lmp_path, exist_ok=True)
    print(lmp_path)
    # lmp conf
    conf_file = os.path.join(lmp_path, 'conf.lmp')
    lammps.cvt_lammps_conf(to_poscar, os.path.relpath(conf_file))
    ptypes = vasp.get_poscar_types(to_poscar)
    lammps.apply_type_map(conf_file, deepmd_type_map, ptypes)
    # lmp input
    fc = lammps.make_lammps_equi(os.path.basename(conf_file), ntypes,
                                 lammps.inter_deepmd, deepmd_models_name)
    with open(os.path.join(lmp_path, 'lammps.in'), 'w') as fp:
        fp.write(fc)
    # link models
    os.chdir(lmp_path)
    for ii in deepmd_models_name:
        if os.path.exists(ii):
            os.remove(ii)
    for (ii, jj) in zip(deepmd_models, deepmd_models_name):
        os.symlink(os.path.relpath(ii), jj)
    os.chdir(cwd)
Beispiel #4
0
def make_lammps(jdata, conf_dir,task_type) :
    fp_params = jdata['lammps_params']
    model_dir = fp_params['model_dir']
    type_map = fp_params['type_map'] 
    model_dir = os.path.abspath(model_dir)
    model_name =fp_params['model_name']
    if not model_name and task_type =='deepmd':
        models = glob.glob(os.path.join(model_dir, '*pb'))
        model_name = [os.path.basename(ii) for ii in models]
        assert len(model_name)>0,"No deepmd model in the model_dir"
    else:
        models = [os.path.join(model_dir,ii) for ii in model_name]

    model_param = {'model_name' :      fp_params['model_name'],
                  'param_type':          fp_params['model_param_type']}
    
    ntypes = len(type_map)

    norm_def = jdata['norm_deform']
    shear_def = jdata['shear_deform']

    conf_path = os.path.abspath(conf_dir)
    conf_poscar = os.path.join(conf_path, 'POSCAR')
    # get equi poscar
    equi_path = re.sub('confs', global_equi_name, conf_path)
    equi_path = os.path.join(equi_path, task_type)
    equi_dump = os.path.join(equi_path, 'dump.relax')
    task_path = re.sub('confs', global_task_name, conf_path)
    task_path = os.path.join(task_path, task_type)
    os.makedirs(task_path, exist_ok=True)
    task_poscar = os.path.join(task_path, 'POSCAR')
    lammps.poscar_from_last_dump(equi_dump, task_poscar, type_map)
    # get equi stress
    equi_log = os.path.join(equi_path, 'log.lammps')
    stress = lammps.get_stress(equi_log)
    np.savetxt(os.path.join(task_path, 'equi.stress.out'), stress)
    # gen strcture
    # ss = Structure.from_file(conf_poscar)
    # print(ss)
    # ss = ss.from_file(task_poscar)
    # print(ss)
    ss = Structure.from_file(task_poscar)
    # gen defomations
    norm_strains = [-norm_def, -0.5*norm_def, 0.5*norm_def, norm_def]
    shear_strains = [-shear_def, -0.5*shear_def, 0.5*shear_def, shear_def]
    print('gen with norm '+str(norm_strains))
    print('gen with shear '+str(shear_strains))
    dfm_ss = DeformedStructureSet(ss, 
                                  symmetry = False, 
                                  norm_strains = norm_strains,
                                  shear_strains = shear_strains)
    n_dfm = len(dfm_ss)
    # gen tasks    
    cwd = os.getcwd()
    # make lammps.in
    if task_type=='deepmd':
        fc = lammps.make_lammps_elastic('conf.lmp', 
                                    ntypes, 
                                    lammps.inter_deepmd,
                                    model_name)  
    elif task_type=='meam':
        fc = lammps.make_lammps_elastic('conf.lmp', 
                                    ntypes, 
                                    lammps.inter_meam,
                                    model_param)
    f_lammps_in = os.path.join(task_path, 'lammps.in')
    with open(f_lammps_in, 'w') as fp :
        fp.write(fc)
    cwd = os.getcwd()
    
    os.chdir(task_path)
    for ii in model_name :
        if os.path.exists(ii) :
            os.remove(ii)
    for (ii,jj) in zip(models, model_name) :
        os.symlink(os.path.relpath(ii), jj)
    share_models = [os.path.join(task_path,ii) for ii in model_name]

    for ii in range(n_dfm) :
        # make dir
        dfm_path = os.path.join(task_path, 'dfm-%03d' % ii)
        os.makedirs(dfm_path, exist_ok=True)
        os.chdir(dfm_path)
        for jj in ['conf.lmp', 'lammps.in'] + model_name :
            if os.path.isfile(jj):
                os.remove(jj)
        # make conf
        dfm_ss.deformed_structures[ii].to('POSCAR', 'POSCAR')
        lammps.cvt_lammps_conf('POSCAR', 'conf.lmp')
        ptypes = vasp.get_poscar_types('POSCAR')
        lammps.apply_type_map('conf.lmp', type_map, ptypes)    
        # record strain
        strain = Strain.from_deformation(dfm_ss.deformations[ii])
        np.savetxt('strain.out', strain)
        # link lammps.in
        os.symlink(os.path.relpath(f_lammps_in), 'lammps.in')
        # link models
        for (ii,jj) in zip(share_models, model_name) :
            os.symlink(os.path.relpath(ii), jj)
    cwd = os.getcwd()
Beispiel #5
0
def make_lammps(jdata, conf_dir, task_type):
    fp_params = jdata['lammps_params']
    model_dir = fp_params['model_dir']
    type_map = fp_params['type_map']
    model_dir = os.path.abspath(model_dir)
    model_name = fp_params['model_name']
    if not model_name:
        models = glob.glob(os.path.join(model_dir, '*pb'))
        model_name = [os.path.basename(ii) for ii in models]
    else:
        models = [os.path.join(model_dir, ii) for ii in model_name]

    model_param = {
        'model_name': fp_params['model_name'],
        'param_type': fp_params['model_param_type']
    }

    ntypes = len(type_map)
    strain_start = jdata['strain_start']
    strain_end = jdata['strain_end']
    strain_step = jdata['strain_step']
    strain_direct = jdata['strain_direct']

    conf_path = os.path.abspath(conf_dir)
    conf_poscar = os.path.join(conf_path, 'POSCAR')
    # get equi poscar
    equi_path = re.sub('confs', global_equi_name, conf_path)
    equi_path = os.path.join(equi_path, task_type)
    equi_dump = os.path.join(equi_path, 'dump.relax')
    task_path = re.sub('confs', global_task_name, conf_path)
    task_path = os.path.join(task_path, task_type)
    os.makedirs(task_path, exist_ok=True)
    task_poscar = os.path.join(task_path, 'POSCAR')
    lammps.poscar_from_last_dump(equi_dump, task_poscar, type_map)
    # get equi stress
    equi_log = os.path.join(equi_path, 'log.lammps')
    stress = lammps.get_stress(equi_log)
    np.savetxt(os.path.join(task_path, 'equi.stress.out'), stress)
    # gen strcture
    ss = Structure.from_file(task_poscar)
    # gen defomations
    norm_strains = np.arange(strain_start, strain_end, strain_step)
    print('gen with norm ' + str(norm_strains))
    deformations = []
    for ii in norm_strains:
        strain = Strain.from_index_amount(strain_direct, ii)
        deformations.append(strain.get_deformation_matrix())
    deformed_structures = [
        defo.apply_to_structure(ss) for defo in deformations
    ]
    n_dfm = len(deformed_structures)
    # gen tasks
    cwd = os.getcwd()
    # make lammps.in
    if task_type == 'deepmd':
        fc = lammps.make_lammps_elastic('conf.lmp', ntypes,
                                        lammps.inter_deepmd, model_name)
    elif task_type == 'meam':
        fc = lammps.make_lammps_elastic('conf.lmp', ntypes, lammps.inter_meam,
                                        model_param)

    f_lammps_in = os.path.join(task_path, 'lammps.in')
    with open(f_lammps_in, 'w') as fp:
        fp.write(fc)
    cwd = os.getcwd()
    if task_type == 'deepmd':
        os.chdir(task_path)
        for ii in model_name:
            if os.path.exists(ii):
                os.remove(ii)
        for (ii, jj) in zip(models, model_name):
            os.symlink(os.path.relpath(ii), jj)
        share_models = glob.glob(os.path.join(task_path, '*pb'))
    else:
        share_models = models

    for ii in range(n_dfm):
        # make dir
        dfm_path = os.path.join(task_path, 'dfm-%03d' % ii)
        os.makedirs(dfm_path, exist_ok=True)
        os.chdir(dfm_path)
        for jj in ['conf.lmp', 'lammps.in'] + model_name:
            if os.path.isfile(jj):
                os.remove(jj)
        # make conf
        deformed_structures[ii].to('POSCAR', 'POSCAR')
        lammps.cvt_lammps_conf('POSCAR', 'conf.lmp')
        ptypes = vasp.get_poscar_types('POSCAR')
        lammps.apply_type_map('conf.lmp', type_map, ptypes)
        # record strain
        strain = Strain.from_deformation(deformations[ii])
        np.savetxt('strain.out', strain)
        # link lammps.in
        os.symlink(os.path.relpath(f_lammps_in), 'lammps.in')
        # link models
        for (ii, jj) in zip(share_models, model_name):
            os.symlink(os.path.relpath(ii), jj)
    cwd = os.getcwd()
Beispiel #6
0
def make_lammps(jdata,
                conf_dir,
                max_miller=2,
                static=False,
                relax_box=False,
                task_type='wrong-task'):
    kspacing = jdata['vasp_params']['kspacing']
    fp_params = jdata['lammps_params']
    model_dir = fp_params['model_dir']
    type_map = fp_params['type_map']
    model_dir = os.path.abspath(model_dir)
    model_name = fp_params['model_name']
    if not model_name and task_type == 'deepmd':
        models = glob.glob(os.path.join(model_dir, '*pb'))
        model_name = [os.path.basename(ii) for ii in models]
        assert len(model_name) > 0, "No deepmd model in the model_dir"
    else:
        models = [os.path.join(model_dir, ii) for ii in model_name]

    model_param = {
        'model_name': fp_params['model_name'],
        'param_type': fp_params['model_param_type']
    }

    ntypes = len(type_map)

    min_slab_size = jdata['min_slab_size']
    min_vacuum_size = jdata['min_vacuum_size']

    # get equi poscar
    # conf_path = os.path.abspath(conf_dir)
    # conf_poscar = os.path.join(conf_path, 'POSCAR')
    equi_path = re.sub('confs', global_equi_name, conf_dir)
    equi_path = os.path.join(equi_path, 'vasp-k%.2f' % kspacing)
    equi_path = os.path.abspath(equi_path)
    equi_contcar = os.path.join(equi_path, 'CONTCAR')
    assert os.path.exists(
        equi_contcar), "Please compute the equilibrium state using vasp first"
    task_path = re.sub('confs', global_task_name, conf_dir)
    task_path = os.path.abspath(task_path)
    if static:
        task_path = os.path.join(task_path, task_type + '-static')
    else:
        task_path = os.path.join(task_path, task_type)
    os.makedirs(task_path, exist_ok=True)
    cwd = os.getcwd()
    os.chdir(task_path)
    if os.path.isfile('POSCAR'):
        os.remove('POSCAR')
    os.symlink(os.path.relpath(equi_contcar), 'POSCAR')
    os.chdir(cwd)
    task_poscar = os.path.join(task_path, 'POSCAR')
    # gen strcture
    ss = Structure.from_file(task_poscar)
    # gen slabs
    all_slabs = generate_all_slabs(ss, max_miller, min_slab_size,
                                   min_vacuum_size)
    # make lammps.in
    if task_type == 'deepmd':
        if static:
            fc = lammps.make_lammps_eval('conf.lmp', ntypes,
                                         lammps.inter_deepmd, model_name)
        else:
            fc = lammps.make_lammps_equi('conf.lmp',
                                         ntypes,
                                         lammps.inter_deepmd,
                                         model_name,
                                         change_box=relax_box)
    elif task_type == 'meam':
        if static:
            fc = lammps.make_lammps_eval('conf.lmp', ntypes, lammps.inter_meam,
                                         model_param)
        else:
            fc = lammps.make_lammps_equi('conf.lmp',
                                         ntypes,
                                         lammps.inter_meam,
                                         model_param,
                                         change_box=relax_box)
    f_lammps_in = os.path.join(task_path, 'lammps.in')
    with open(f_lammps_in, 'w') as fp:
        fp.write(fc)
    cwd = os.getcwd()

    if task_type == 'deepmd':
        os.chdir(task_path)
        for ii in model_name:
            if os.path.exists(ii):
                os.remove(ii)
        for (ii, jj) in zip(models, model_name):
            os.symlink(os.path.relpath(ii), jj)
        share_models = glob.glob(os.path.join(task_path, '*pb'))
    else:
        share_models = models

    for ii in range(len(all_slabs)):
        slab = all_slabs[ii]
        miller_str = "m%d.%d.%dm" % (
            slab.miller_index[0], slab.miller_index[1], slab.miller_index[2])
        # make dir
        struct_path = os.path.join(task_path,
                                   'struct-%03d-%s' % (ii, miller_str))
        os.makedirs(struct_path, exist_ok=True)
        os.chdir(struct_path)
        for jj in ['conf.lmp', 'lammps.in'] + model_name:
            if os.path.isfile(jj):
                os.remove(jj)
        print("# %03d generate " % ii, struct_path,
              " \t %d atoms" % len(slab.sites))
        # make conf
        slab.to('POSCAR', 'POSCAR')
        vasp.regulate_poscar('POSCAR', 'POSCAR')
        lammps.cvt_lammps_conf('POSCAR', 'conf.lmp')
        ptypes = vasp.get_poscar_types('POSCAR')
        lammps.apply_type_map('conf.lmp', type_map, ptypes)
        # record miller
        np.savetxt('miller.out', slab.miller_index, fmt='%d')
        # link lammps.in
        os.symlink(os.path.relpath(f_lammps_in), 'lammps.in')
        # link models
        for (ii, jj) in zip(share_models, model_name):
            os.symlink(os.path.relpath(ii), jj)
    cwd = os.getcwd()
Beispiel #7
0
def _make_meam_lammps(jdata, conf_dir, supercell, insert_ele, task_name):
    meam_potfile_dir = jdata['meam_potfile_dir']
    meam_potfile_dir = os.path.abspath(meam_potfile_dir)
    meam_potfile = jdata['meam_potfile']
    meam_potfile = [os.path.join(meam_potfile_dir, ii) for ii in meam_potfile]
    meam_potfile_name = jdata['meam_potfile']
    type_map = jdata['meam_type_map']
    ntypes = len(type_map)
    meam_param = {
        'meam_potfile': jdata['meam_potfile'],
        'meam_type': jdata['meam_param_type']
    }

    conf_path = os.path.abspath(conf_dir)
    conf_poscar = os.path.join(conf_path, 'POSCAR')
    # get equi poscar
    equi_path = re.sub('confs', global_equi_name, conf_path)
    equi_path = os.path.join(equi_path, task_name)
    equi_dump = os.path.join(equi_path, 'dump.relax')
    task_path = re.sub('confs', global_task_name, conf_path)
    task_path = os.path.join(task_path, task_name)
    os.makedirs(task_path, exist_ok=True)
    task_poscar = os.path.join(task_path, 'POSCAR')
    cwd = os.getcwd()
    os.chdir(task_path)
    lammps.poscar_from_last_dump(equi_dump, task_poscar, type_map)
    os.chdir(cwd)
    # gen structure from equi poscar
    ss = Structure.from_file(task_poscar)
    # gen defects
    vds = InterstitialGenerator(ss, insert_ele)
    dss = []
    for jj in vds:
        dss.append(jj.generate_defect_structure(supercell))
    # gen tasks
    cwd = os.getcwd()
    # make lammps.in, relax at 0 bar (scale = 1)
    fc = lammps.make_lammps_press_relax('conf.lmp', ntypes, 1,
                                        lammps.inter_meam, meam_param)
    f_lammps_in = os.path.join(task_path, 'lammps.in')
    with open(f_lammps_in, 'w') as fp:
        fp.write(fc)
    # gen tasks
    copy_str = "%sx%sx%s" % (supercell[0], supercell[1], supercell[2])
    cwd = os.getcwd()
    for ii in range(len(dss)):
        struct_path = os.path.join(
            task_path, 'struct-%s-%s-%03d' % (insert_ele, copy_str, ii))
        print('# generate %s' % (struct_path))
        os.makedirs(struct_path, exist_ok=True)
        os.chdir(struct_path)
        for jj in ['conf.lmp', 'lammps.in'] + meam_potfile_name:
            if os.path.isfile(jj):
                os.remove(jj)
        # make conf
        dss[ii].to('POSCAR', 'POSCAR')
        lammps.cvt_lammps_conf('POSCAR', 'conf.lmp')
        ptypes = vasp.get_poscar_types('POSCAR')
        lammps.apply_type_map('conf.lmp', type_map, ptypes)
        # link lammps.in
        os.symlink(os.path.relpath(f_lammps_in), 'lammps.in')
        # link models
        for (ii, jj) in zip(meam_potfile, meam_potfile_name):
            os.symlink(os.path.relpath(ii), jj)
        # save supercell
        np.savetxt('supercell.out', supercell, fmt='%d')
    os.chdir(cwd)
    def make_input_file(self, output_dir, task_type, task_param):
        lammps.cvt_lammps_conf(os.path.join(output_dir, 'POSCAR'), 'conf.lmp')
        with open(os.path.join(output_dir, 'task.json'), 'w') as fp:
            json.dump(task_param, fp, indent=4)
        # lines in lammps.in related to model
        #         line_model = "pair_style      meam \n"
        #         line_model += "pair_coeff      * * %s " % (os.path.basename(self.model[0]))
        #         for ii in self.type_map:
        #             line_model += ii + ' '
        #         line_model += "%s " % (os.path.basename(self.model[1]))
        #         for ii in self.type_map:
        #             line_model += ii + ' '
        #         line_model += '\n'

        etol = 1e-12
        ftol = 1e-6
        maxiter = 5000
        maxeval = 500000
        change_box = True
        B0 = 70
        bp = 0
        scale2equi = 1
        ntypes = len(self.type_map)
        reprod_opt = False
        static = False

        if 'etol' in task_param:
            etol = task_param['etol']
        if 'ftol' in task_param:
            ftol = task_param['ftol']
        if 'maxiter' in task_param:
            maxiter = task_param['maxiter']
        if 'maxeval' in task_param:
            maxeval = task_param['maxeval']
        if 'change_box' in task_param:
            change_box = task_param['change_box']
        if 'scale2equi' in task_param:
            scale2equi = task_param['scale2equi']
        if 'reprod_opt' in task_param:
            reprod_opt = task_param['reprod_opt']
        if 'static-opt' in task_param:
            static = task_param['static-opt']

        model_name = list(map(os.path.basename, self.model))

        model_param = {'model_name': model_name, 'param_type': self.type_map}

        fc = ''
        if task_type == 'relaxation' \
                or (task_type == 'eos' and not change_box) \
                or (task_type == 'surface' and not static):
            fc = lammps.make_lammps_equi('conf.lmp', ntypes, lammps.inter_meam,
                                         model_param, etol, ftol, maxiter,
                                         maxeval, change_box)

        if task_type == 'static' \
                or (task_type == 'surface' and static):
            fc = lammps.make_lammps_eval('conf.lmp', ntypes, lammps.inter_meam,
                                         model_param)

        if task_type == 'elastic':
            fc = lammps.make_lammps_elastic('conf.lmp', ntypes,
                                            lammps.inter_meam, model_param,
                                            etol, ftol, maxiter, maxeval)

        if task_type == 'vacancy' \
                or (task_type == 'eos' and change_box) \
                or (task_type == 'interstitial'):
            fc = lammps.make_lammps_press_relax('conf.lmp', ntypes, scale2equi,
                                                lammps.inter_meam, model_param,
                                                B0, bp, etol, ftol, maxiter,
                                                maxeval)

        if reprod_opt:
            fc = lammps.make_lammps_eval('conf.lmp', ntypes, lammps.inter_meam,
                                         model_param)

        with open(os.path.join(output_dir, 'in.lammps'), 'w') as fp:
            fp.write(fc)
Beispiel #9
0
def make_deepmd_lammps(jdata, conf_dir):
    deepmd_model_dir = jdata['deepmd_model_dir']
    deepmd_type_map = jdata['deepmd_type_map']
    ntypes = len(deepmd_type_map)
    deepmd_model_dir = os.path.abspath(deepmd_model_dir)
    deepmd_models = glob.glob(os.path.join(deepmd_model_dir, '*pb'))
    deepmd_models_name = [os.path.basename(ii) for ii in deepmd_models]
    supercell_matrix = jdata['supercell_matrix']
    band_path = jdata['band']

    conf_path = os.path.abspath(conf_dir)
    conf_poscar = os.path.join(conf_path, 'POSCAR')
    # get equi poscar
    equi_path = re.sub('confs', global_equi_name, conf_path)
    equi_path = os.path.join(equi_path, 'deepmd')
    task_path = re.sub('confs', global_task_name, conf_path)
    task_path = os.path.join(task_path, 'deepmd')
    os.makedirs(task_path, exist_ok=True)

    task_poscar = os.path.join(task_path, 'POSCAR')
    cwd = os.getcwd()
    os.chdir(task_path)
    if os.path.isfile('POSCAR'):
        os.remove('POSCAR')
    os.symlink(os.path.relpath(conf_poscar), 'POSCAR')
    os.chdir(cwd)
    with open(task_poscar, 'r') as fp:
        lines = fp.read().split('\n')
        ele_list = lines[5].split()

    print(task_path)
    # make conf.lmp
    conf_file = os.path.join(task_path, 'conf.lmp')
    lammps.cvt_lammps_conf(task_poscar, os.path.relpath(conf_file))
    ptypes = vasp.get_poscar_types(task_poscar)
    lammps.apply_type_map(conf_file, deepmd_type_map, ptypes)
    # make lammps.in
    ntypes = len(ele_list)
    unitcell = PhonopyAtoms(symbols=ele_list,
                            cell=(np.eye(3)),
                            scaled_positions=np.zeros((ntypes, 3)))
    fc = lammps.make_lammps_phonon('conf.lmp', unitcell.masses,
                                   lammps.inter_deepmd, deepmd_models_name)
    f_lammps_in = os.path.join(task_path, 'lammps.in')
    with open(f_lammps_in, 'w') as fp:
        fp.write(fc)
    cwd = os.getcwd()
    # link models
    os.chdir(task_path)
    for ii in deepmd_models_name:
        if os.path.exists(ii):
            os.remove(ii)
    for (ii, jj) in zip(deepmd_models, deepmd_models_name):
        os.symlink(os.path.relpath(ii), jj)
    # gen band.conf
    os.chdir(task_path)
    with open('band.conf', 'w') as fp:
        fp.write('ATOM_NAME = ')
        for ii in ele_list:
            fp.write(ii)
            fp.write(' ')
        fp.write('\n')
        fp.write(
            'DIM = %d %d %d\n' %
            (supercell_matrix[0], supercell_matrix[1], supercell_matrix[2]))
        fp.write('BAND = %s\n' % band_path)
        fp.write('FORCE_CONSTANTS=READ')
    # gen task
    ''' 
    phlammps = Phonolammps('lammps.in',supercell_matrix=supercell_matrix)
    unitcell = phlammps.get_unitcell()
    phonon = Phonopy(unitcell,supercell_matrix)
    phonon.save(filename='phonopy_disp.yaml')       
    with open('phonopy_disp.yaml', 'r') as f:
        temp = yaml.load(f.read())
    with open('POSCAR-unitcell', 'w') as fp:
        for ii in ele_list:
            fp.write(ii)
            fp.write(' ')
        fp.write('\n')
        data=open('POSCAR', 'r')
        next(data)
        fp.write(data.readline())
        for ii in temp['unit_cell']['lattice']:
            fp.write(str(ii).replace(',', '').replace('[', '').replace(']','\n'))
        for ii in ele_list:
            fp.write(str(str(temp['unit_cell']['points']).count(ii)))
            fp.write(' ')
        fp.write('\n')
        fp.write('Direct\n')
        for ii in temp['unit_cell']['points']:
            fp.write(str(ii['coordinates']).replace(',', '').replace('[', '').replace(']', '\n'))
    '''
    os.system('phonolammps lammps.in --dim %d %d %d -c POSCAR-unitcell' %
              (supercell_matrix[0], supercell_matrix[1], supercell_matrix[2]))
Beispiel #10
0
def make_meam_lammps_fixv (jdata, conf_dir) :
    meam_potfile_dir = jdata['meam_potfile_dir']
    meam_potfile_dir = os.path.abspath(meam_potfile_dir)
    meam_potfile = jdata['meam_potfile']
    meam_potfile = [os.path.join(meam_potfile_dir,ii) for ii in meam_potfile]
    meam_potfile_name = jdata['meam_potfile']
    type_map = jdata['meam_type_map']
    ntypes = len(type_map)
    meam_param = {'meam_potfile' :      jdata['meam_potfile'],
                  'meam_type':          jdata['meam_param_type']}

    vol_start = jdata['vol_start']
    vol_end = jdata['vol_end']
    vol_step = jdata['vol_step']

    # get equi props
    equi_path = re.sub('confs', global_equi_name, conf_dir)
    task_path = re.sub('confs', global_task_name, conf_dir)
    equi_path = os.path.join(equi_path, 'meam')
    task_path = os.path.join(task_path, 'meam')
    equi_path = os.path.abspath(equi_path)
    task_path = os.path.abspath(task_path)
    equi_log = os.path.join(equi_path, 'log.lammps')
    equi_dump = os.path.join(equi_path, 'dump.relax')
    os.makedirs(task_path, exist_ok = True)
    task_poscar = os.path.join(task_path, 'POSCAR')
    lammps.poscar_from_last_dump(equi_dump, task_poscar, type_map)

    cwd = os.getcwd()
    volume = vasp.poscar_vol(task_poscar)
    natoms = vasp.poscar_natoms(task_poscar)
    vpa = volume / natoms
    # structrure
    ss = Structure.from_file(task_poscar)
    # make lammps.in
    fc = lammps.make_lammps_equi('conf.lmp', 
                                 ntypes, 
                                 lammps.inter_meam, 
                                 meam_param, 
                                 change_box = False)
    f_lammps_in = os.path.join(task_path, 'lammps.in')
    with open(f_lammps_in, 'w') as fp :
        fp.write(fc)
    # make vols
    for vol in np.arange(vol_start, vol_end, vol_step) :
        vol_path = os.path.join(task_path, 'vol-%.2f' % vol)        
        print('# generate %s' % (vol_path))
        os.makedirs(vol_path, exist_ok = True)
        os.chdir(vol_path)
        for ii in ['conf.lmp', 'conf.lmp', 'lammps.in'] + meam_potfile_name :
            if os.path.exists(ii) :
                os.remove(ii)                
        # make conf
        scale_ss = ss.copy()
        scale_ss.scale_lattice(vol * natoms)
        scale_ss.to('POSCAR', 'POSCAR')
        lammps.cvt_lammps_conf('POSCAR', 'conf.lmp')
        ptypes = vasp.get_poscar_types('POSCAR')
        lammps.apply_type_map('conf.lmp', type_map, ptypes)
        # link lammps.in
        os.symlink(os.path.relpath(f_lammps_in), 'lammps.in')
        # link models
        for (ii,jj) in zip(meam_potfile, meam_potfile_name) :
            os.symlink(os.path.relpath(ii), jj)
        # make lammps input
        os.chdir(cwd)
Beispiel #11
0
def make_meam_lammps(jdata,
                     conf_dir,
                     max_miller=2,
                     static=False,
                     relax_box=False,
                     task_name='wrong-task'):
    fp_params = jdata['vasp_params']
    kspacing = fp_params['kspacing']

    meam_potfile_dir = jdata['meam_potfile_dir']
    meam_potfile_dir = os.path.abspath(meam_potfile_dir)
    meam_potfile = jdata['meam_potfile']
    meam_potfile = [os.path.join(meam_potfile_dir, ii) for ii in meam_potfile]
    meam_potfile_name = jdata['meam_potfile']
    type_map = jdata['meam_type_map']
    ntypes = len(type_map)
    meam_param = {
        'meam_potfile': jdata['meam_potfile'],
        'meam_type': jdata['meam_param_type']
    }

    min_slab_size = jdata['min_slab_size']
    min_vacuum_size = jdata['min_vacuum_size']

    # get equi poscar
    # conf_path = os.path.abspath(conf_dir)
    # conf_poscar = os.path.join(conf_path, 'POSCAR')
    equi_path = re.sub('confs', global_equi_name, conf_dir)
    equi_path = os.path.join(equi_path, 'vasp-k%.2f' % kspacing)
    equi_path = os.path.abspath(equi_path)
    equi_contcar = os.path.join(equi_path, 'CONTCAR')
    task_path = re.sub('confs', global_task_name, conf_dir)
    task_path = os.path.abspath(task_path)
    task_path = os.path.join(task_path, task_name)
    os.makedirs(task_path, exist_ok=True)
    cwd = os.getcwd()
    os.chdir(task_path)
    if os.path.isfile('POSCAR'):
        os.remove('POSCAR')
    os.symlink(os.path.relpath(equi_contcar), 'POSCAR')
    os.chdir(cwd)
    task_poscar = os.path.join(task_path, 'POSCAR')
    # gen strcture
    ss = Structure.from_file(task_poscar)
    # gen slabs
    all_slabs = generate_all_slabs(ss, max_miller, min_slab_size,
                                   min_vacuum_size)
    # make lammps.in
    if static:
        fc = lammps.make_lammps_eval('conf.lmp', ntypes, lammps.inter_meam,
                                     meam_param)
    else:
        fc = lammps.make_lammps_equi('conf.lmp',
                                     ntypes,
                                     lammps.inter_meam,
                                     meam_param,
                                     change_box=relax_box)
    f_lammps_in = os.path.join(task_path, 'lammps.in')
    with open(f_lammps_in, 'w') as fp:
        fp.write(fc)
    cwd = os.getcwd()
    for ii in range(len(all_slabs)):
        slab = all_slabs[ii]
        miller_str = "m%d.%d.%dm" % (
            slab.miller_index[0], slab.miller_index[1], slab.miller_index[2])
        # make dir
        struct_path = os.path.join(task_path,
                                   'struct-%03d-%s' % (ii, miller_str))
        os.makedirs(struct_path, exist_ok=True)
        os.chdir(struct_path)
        for jj in ['conf.lmp', 'lammps.in'] + meam_potfile_name:
            if os.path.isfile(jj):
                os.remove(jj)
        print("# %03d generate " % ii, struct_path,
              " \t %d atoms" % len(slab.sites))
        # make conf
        slab.to('POSCAR', 'POSCAR')
        vasp.regulate_poscar('POSCAR', 'POSCAR')
        lammps.cvt_lammps_conf('POSCAR', 'conf.lmp')
        ptypes = vasp.get_poscar_types('POSCAR')
        lammps.apply_type_map('conf.lmp', type_map, ptypes)
        # record miller
        np.savetxt('miller.out', slab.miller_index, fmt='%d')
        # link lammps.in
        os.symlink(os.path.relpath(f_lammps_in), 'lammps.in')
        # link models
        for (ii, jj) in zip(meam_potfile, meam_potfile_name):
            os.symlink(os.path.relpath(ii), jj)
    cwd = os.getcwd()
Beispiel #12
0
    def make_input_file(self,
                        output_dir,
                        task_type,
                        task_param):
        lammps.cvt_lammps_conf(os.path.join(output_dir, 'POSCAR'), os.path.join(output_dir, 'conf.lmp'), lammps.element_list(self.type_map))

        # dumpfn(task_param, os.path.join(output_dir, 'task.json'), indent=4)

        etol = 1e-12
        ftol = 1e-6
        maxiter = 5000
        maxeval = 500000
        B0 = 70
        bp = 0
        ntypes = len(self.type_map)

        cal_type = task_param['cal_type']
        cal_setting = task_param['cal_setting']

        self.set_model_param()

        # deal with user input in.lammps for relaxation
        if os.path.isfile(self.in_lammps) and task_type == 'relaxation':
            with open(self.in_lammps, 'r') as fin:
                fc = fin.read()
        # user input in.lammps for property calculation
        if 'input_prop' in cal_setting and os.path.isfile(cal_setting['input_prop']):
            with open(os.path.abspath(cal_setting['input_prop']), 'r') as fin:
                fc = fin.read()

        else:
            if 'etol' in cal_setting:
                dlog.info("%s setting etol to %s" % (self.make_input_file.__name__, cal_setting['etol']))
                etol = cal_setting['etol']
            if 'ftol' in cal_setting:
                dlog.info("%s setting ftol to %s" % (self.make_input_file.__name__, cal_setting['ftol']))
                ftol = cal_setting['ftol']
            if 'maxiter' in cal_setting:
                dlog.info("%s setting maxiter to %s" % (self.make_input_file.__name__, cal_setting['maxiter']))
                maxiter = cal_setting['maxiter']
            if 'maxeval' in cal_setting:
                dlog.info("%s setting maxeval to %s" % (self.make_input_file.__name__, cal_setting['maxeval']))
                maxeval = cal_setting['maxeval']

            if cal_type == 'relaxation':
                relax_pos = cal_setting['relax_pos']
                relax_shape = cal_setting['relax_shape']
                relax_vol = cal_setting['relax_vol']

                if [relax_pos, relax_shape, relax_vol] == [True, False, False]:
                    fc = lammps.make_lammps_equi('conf.lmp', self.type_map, self.inter_func, self.model_param,
                                                 etol, ftol, maxiter, maxeval, False)
                elif [relax_pos, relax_shape, relax_vol] == [True, True, True]:
                    fc = lammps.make_lammps_equi('conf.lmp', self.type_map, self.inter_func, self.model_param,
                                                 etol, ftol, maxiter, maxeval, True)
                elif [relax_pos, relax_shape, relax_vol] == [True, True, False] and not task_type == 'eos':
                    if 'scale2equi' in task_param:
                        scale2equi = task_param['scale2equi']
                        fc = lammps.make_lammps_press_relax('conf.lmp', self.type_map, scale2equi[int(output_dir[-6:])],
                                                            self.inter_func,
                                                            self.model_param, B0, bp, etol, ftol, maxiter, maxeval)
                    else:
                        fc = lammps.make_lammps_equi('conf.lmp', self.type_map, self.inter_func, self.model_param,
                                                     etol, ftol, maxiter, maxeval, True)
                elif [relax_pos, relax_shape, relax_vol] == [True, True, False] and task_type == 'eos':
                    task_param['cal_setting']['relax_shape'] = False
                    fc = lammps.make_lammps_equi('conf.lmp', self.type_map, self.inter_func, self.model_param,
                                                 etol, ftol, maxiter, maxeval, False)
                elif [relax_pos, relax_shape, relax_vol] == [False, False, False]:
                    fc = lammps.make_lammps_eval('conf.lmp', self.type_map, self.inter_func, self.model_param)

                else:
                    raise RuntimeError("not supported calculation setting for LAMMPS")

            elif cal_type == 'static':
                fc = lammps.make_lammps_eval('conf.lmp', self.type_map, self.inter_func, self.model_param)

            else:
                raise RuntimeError("not supported calculation type for LAMMPS")

        dumpfn(task_param, os.path.join(output_dir, 'task.json'), indent=4)

        in_lammps_not_link_list = ['eos']
        if task_type not in in_lammps_not_link_list:
            with open(os.path.join(output_dir, '../in.lammps'), 'w') as fp:
                fp.write(fc)
            cwd = os.getcwd()
            os.chdir(output_dir)
            if not (os.path.islink('in.lammps') or os.path.isfile('in.lammps')):
                os.symlink('../in.lammps', 'in.lammps')
            else:
                os.remove('in.lammps')
                os.symlink('../in.lammps', 'in.lammps')
            os.chdir(cwd)
        else:
            with open(os.path.join(output_dir, 'in.lammps'), 'w') as fp:
                fp.write(fc)
Beispiel #13
0
def make_lammps(jdata, conf_dir, task_type):
    fp_params = jdata['lammps_params']
    model_dir = fp_params['model_dir']
    type_map = fp_params['type_map']
    model_dir = os.path.abspath(model_dir)
    model_name = fp_params['model_name']
    if not model_name:
        models = glob.glob(os.path.join(model_dir, '*pb'))
        model_name = [os.path.basename(ii) for ii in models]
    else:
        models = [os.path.join(model_dir, ii) for ii in model_name]

    model_param = {
        'model_name': fp_params['model_name'],
        'param_type': fp_params['model_param_type']
    }

    supercell_matrix = jdata['supercell_matrix']
    band_path = jdata['band']

    conf_path = os.path.abspath(conf_dir)
    conf_poscar = os.path.join(conf_path, 'POSCAR')
    # get equi poscar
    equi_path = re.sub('confs', global_equi_name, conf_path)
    equi_path = os.path.join(equi_path, task_type)
    task_path = re.sub('confs', global_task_name, conf_path)
    task_path = os.path.join(task_path, task_type)
    os.makedirs(task_path, exist_ok=True)

    task_poscar = os.path.join(task_path, 'POSCAR')
    cwd = os.getcwd()
    os.chdir(task_path)
    if os.path.isfile('POSCAR'):
        os.remove('POSCAR')
    os.symlink(os.path.relpath(conf_poscar), 'POSCAR')
    os.chdir(cwd)
    with open(task_poscar, 'r') as fp:
        lines = fp.read().split('\n')
        ele_list = lines[5].split()

    print(task_path)
    # make conf.lmp
    conf_file = os.path.join(task_path, 'conf.lmp')
    lammps.cvt_lammps_conf(task_poscar, os.path.relpath(conf_file))
    ptypes = vasp.get_poscar_types(task_poscar)
    lammps.apply_type_map(conf_file, type_map, ptypes)
    # make lammps.in
    ntypes = len(ele_list)
    unitcell = get_structure_from_poscar(task_poscar)
    if task_type == 'deepmd':
        fc = lammps.make_lammps_phonon('conf.lmp', unitcell.masses,
                                       lammps.inter_deepmd, model_name)
    if task_type == 'meam':
        fc = lammps.make_lammps_phonon('conf.lmp', unitcell.masses,
                                       lammps.inter_meam, model_param)
    f_lammps_in = os.path.join(task_path, 'lammps.in')
    with open(f_lammps_in, 'w') as fp:
        fp.write(fc)
    cwd = os.getcwd()
    # link models
    os.chdir(task_path)
    for ii in model_name:
        if os.path.exists(ii):
            os.remove(ii)
    for (ii, jj) in zip(models, model_name):
        os.symlink(os.path.relpath(ii), jj)
    # gen band.conf
    os.chdir(task_path)
    with open('band.conf', 'w') as fp:
        fp.write('ATOM_NAME = ')
        for ii in ele_list:
            fp.write(ii)
            fp.write(' ')
        fp.write('\n')
        fp.write(
            'DIM = %d %d %d\n' %
            (supercell_matrix[0], supercell_matrix[1], supercell_matrix[2]))
        fp.write('BAND = %s\n' % band_path)
        fp.write('FORCE_CONSTANTS=READ\n')
    os.system('phonolammps lammps.in --dim %d %d %d -c POSCAR' %
              (supercell_matrix[0], supercell_matrix[1], supercell_matrix[2]))
Beispiel #14
0
def _make_reprod_traj(jdata, conf_dir, supercell, insert_ele, task_type):
    kspacing = jdata['vasp_params']['kspacing']
    fp_params = jdata['lammps_params']
    model_dir = fp_params['model_dir']
    type_map = fp_params['type_map']
    model_dir = os.path.abspath(model_dir)
    model_name = fp_params['model_name']
    if not model_name and task_type == 'deepmd':
        models = glob.glob(os.path.join(model_dir, '*pb'))
        model_name = [os.path.basename(ii) for ii in models]
        assert len(model_name) > 0, "No deepmd model in the model_dir"
    else:
        models = [os.path.join(model_dir, ii) for ii in model_name]

    model_param = {
        'model_name': fp_params['model_name'],
        'param_type': fp_params['model_param_type']
    }

    ntypes = len(type_map)

    conf_path = os.path.abspath(conf_dir)
    task_path = re.sub('confs', global_task_name, conf_path)
    vasp_path = os.path.join(task_path, 'vasp-k%.2f' % kspacing)
    lmps_path = os.path.join(task_path, task_type + '-reprod-k%.2f' % kspacing)
    os.makedirs(lmps_path, exist_ok=True)
    copy_str = "%sx%sx%s" % (supercell[0], supercell[1], supercell[2])
    struct_widecard = os.path.join(vasp_path,
                                   'struct-%s-%s-*' % (insert_ele, copy_str))
    vasp_struct = glob.glob(struct_widecard)
    vasp_struct.sort()
    cwd = os.getcwd()

    # make lammps.in
    if task_type == 'deepmd':
        fc = lammps.make_lammps_eval('conf.lmp', ntypes, lammps.inter_deepmd,
                                     model_name)
    elif task_type == 'meam':
        fc = lammps.make_lammps_eval('conf.lmp', ntypes, lammps.inter_meam,
                                     model_param)
    f_lammps_in = os.path.join(lmps_path, 'lammps.in')
    with open(f_lammps_in, 'w') as fp:
        fp.write(fc)

    for vs in vasp_struct:
        # get vasp energy
        outcar = os.path.join(vs, 'OUTCAR')
        energies = vasp.get_energies(outcar)
        # get xdat
        xdatcar = os.path.join(vs, 'XDATCAR')
        struct_basename = os.path.basename(vs)
        ls = os.path.join(lmps_path, struct_basename)
        print(ls)
        os.makedirs(ls, exist_ok=True)
        os.chdir(ls)
        if os.path.exists('XDATCAR'):
            os.remove('XDATCAR')
        os.symlink(os.path.relpath(xdatcar), 'XDATCAR')
        xdat_lines = open('XDATCAR', 'r').read().split('\n')
        natoms = vasp.poscar_natoms('XDATCAR')
        xdat_secsize = natoms + 8
        xdat_nframes = len(xdat_lines) // xdat_secsize
        if xdat_nframes > len(energies):
            warnings.warn(
                'nframes %d in xdat is larger than energy %d, use the last %d frames'
                % (xdat_nframes, len(energies), len(energies)))
            xdat_nlines = len(energies) * xdat_secsize
            xdat_lines = xdat_lines[xdat_nlines:]
        xdat_nframes = len(xdat_lines) // xdat_secsize
        print(xdat_nframes, len(energies))
        #link lammps.in and model
        for jj in ['lammps.in'] + model_name:
            if os.path.islink(jj):
                os.unlink(jj)
        os.symlink(os.path.relpath(f_lammps_in), 'lammps.in')
        if task_type == 'deepmd':
            for ii in model_name:
                if os.path.exists(ii):
                    os.remove(ii)
            for (ii, jj) in zip(models, model_name):
                os.symlink(os.path.relpath(ii), jj)
            share_models = glob.glob(os.path.join(ls, '*pb'))
        else:
            share_models = models

        # loop over frames
        for ii in range(xdat_nframes):
            frame_path = 'frame.%06d' % ii
            os.makedirs(frame_path, exist_ok=True)
            os.chdir(frame_path)
            # clear dir
            for jj in ['conf.lmp']:
                if os.path.isfile(jj):
                    os.remove(jj)
            for jj in ['lammps.in'] + model_name:
                if os.path.islink(jj):
                    os.unlink(jj)
            # link lammps in
            os.symlink(os.path.relpath('../lammps.in'), 'lammps.in')
            # make conf
            with open('POSCAR', 'w') as fp:
                fp.write('\n'.join(xdat_lines[ii * xdat_secsize:(ii + 1) *
                                              xdat_secsize]))
            lammps.cvt_lammps_conf('POSCAR', 'conf.lmp')
            ptypes = vasp.get_poscar_types('POSCAR')
            lammps.apply_type_map('conf.lmp', type_map, ptypes)
            # link models
            for (kk, ll) in zip(share_models, model_name):
                os.symlink(os.path.relpath(kk), ll)
            os.chdir(ls)
        os.chdir(cwd)
Beispiel #15
0
def make_lammps_fixv (jdata, conf_dir,task_type) :
    fp_params = jdata['lammps_params']
    model_dir = fp_params['model_dir']
    type_map = fp_params['type_map'] 
    model_dir = os.path.abspath(model_dir)
    model_name =fp_params['model_name']
    deepmd_version = fp_params.get("deepmd_version", "0.12")
    if not model_name and task_type =='deepmd':
        models = glob.glob(os.path.join(model_dir, '*pb'))
        model_name = [os.path.basename(ii) for ii in models]
    else:
        models = [os.path.join(model_dir,ii) for ii in model_name]

    model_param = {'model_name' :      model_name,
                  'param_type':          fp_params['model_param_type'],
                  'deepmd_version' : deepmd_version}
    ntypes = len(type_map)


    vol_start = jdata['vol_start']
    vol_end = jdata['vol_end']
    vol_step = jdata['vol_step']

    # get equi props
    equi_path = re.sub('confs', global_equi_name, conf_dir)
    task_path = re.sub('confs', global_task_name, conf_dir)
    equi_path = os.path.join(equi_path, task_type)
    task_path = os.path.join(task_path, task_type)
    equi_path = os.path.abspath(equi_path)
    task_path = os.path.abspath(task_path)
    equi_dump = os.path.join(equi_path, 'dump.relax')
    os.makedirs(task_path, exist_ok = True)
    task_poscar = os.path.join(task_path, 'POSCAR')
    lammps.poscar_from_last_dump(equi_dump, task_poscar, type_map)

    cwd = os.getcwd()
    volume = vasp.poscar_vol(task_poscar)
    natoms = vasp.poscar_natoms(task_poscar)
    vpa = volume / natoms
    # structrure
    ss = Structure.from_file(task_poscar)
    # make lammps.in
    if task_type=='deepmd':
        fc = lammps.make_lammps_equi('conf.lmp', 
                                 ntypes, 
                                 lammps.inter_deepmd, 
                                 model_param, 
                                 change_box = False)
    elif task_type=='meam':
        fc = lammps.make_lammps_equi('conf.lmp', 
                                 ntypes, 
                                 lammps.inter_meam, 
                                 model_param, 
                                 change_box = False)
    f_lammps_in = os.path.join(task_path, 'lammps.in')
    with open(f_lammps_in, 'w') as fp :
        fp.write(fc)

    os.chdir(task_path)
    for ii in model_name :
        if os.path.exists(ii) :
            os.remove(ii)
    for (ii,jj) in zip(models, model_name) :
        os.symlink(os.path.relpath(ii), jj)
    share_models = [os.path.join(task_path,ii) for ii in model_name]

    # make vols
    for vol in np.arange(vol_start, vol_end, vol_step) :
        vol_path = os.path.join(task_path, 'vol-%.2f' % vol)        
        print('# generate %s' % (vol_path))
        os.makedirs(vol_path, exist_ok = True)
        os.chdir(vol_path)
        for ii in ['conf.lmp', 'conf.lmp', 'lammps.in'] + model_name :
            if os.path.exists(ii) :
                os.remove(ii)                
        # make conf
        scale_ss = ss.copy()
        scale_ss.scale_lattice(vol * natoms)
        scale_ss.to('POSCAR', 'POSCAR')
        lammps.cvt_lammps_conf('POSCAR', 'conf.lmp')
        ptypes = vasp.get_poscar_types('POSCAR')
        lammps.apply_type_map('conf.lmp', type_map, ptypes)
        # link lammps.in
        os.symlink(os.path.relpath(f_lammps_in), 'lammps.in')
        # link models
        for (ii,jj) in zip(share_models,model_name) :
            os.symlink(os.path.relpath(ii), jj)
        # make lammps input
        os.chdir(cwd)
Beispiel #16
0
def _make_lammps(jdata, conf_dir, supercell, insert_ele, task_type):
    fp_params = jdata['vasp_params']
    kspacing = fp_params['kspacing']
    fp_params = jdata['lammps_params']
    model_dir = fp_params['model_dir']
    type_map = fp_params['type_map']
    model_dir = os.path.abspath(model_dir)
    model_name = fp_params['model_name']
    if not model_name and task_type == 'deepmd':
        models = glob.glob(os.path.join(model_dir, '*pb'))
        model_name = [os.path.basename(ii) for ii in models]
        assert len(model_name) > 0, "No deepmd model in the model_dir"
    else:
        models = [os.path.join(model_dir, ii) for ii in model_name]

    model_param = {
        'model_name': fp_params['model_name'],
        'param_type': fp_params['model_param_type']
    }

    ntypes = len(type_map)

    conf_path = os.path.abspath(conf_dir)
    conf_poscar = os.path.join(conf_path, 'POSCAR')
    # get equi poscar
    equi_path = re.sub('confs', global_equi_name, conf_path)
    equi_path = os.path.join(equi_path, 'vasp-k%.2f' % kspacing)
    equi_contcar = os.path.join(equi_path, 'CONTCAR')
    #equi_path = os.path.join(equi_path, task_type)
    #equi_dump = os.path.join(equi_path, 'dump.relax')
    assert os.path.exists(
        equi_contcar), "Please compute the equilibrium state using vasp first"
    task_path = re.sub('confs', global_task_name, conf_path)
    task_path = os.path.join(task_path, task_type)
    os.makedirs(task_path, exist_ok=True)
    task_poscar = os.path.join(task_path, 'POSCAR')
    cwd = os.getcwd()
    os.chdir(task_path)
    if os.path.isfile('POSCAR'):
        os.remove('POSCAR')
    os.symlink(os.path.relpath(equi_contcar), 'POSCAR')
    #lammps.poscar_from_last_dump(equi_dump, task_poscar, type_map)
    os.chdir(cwd)
    # gen structure from equi poscar
    print("task poscar: ", task_poscar)
    ss = Structure.from_file(task_poscar)
    # gen defects
    vds = InterstitialGenerator(ss, insert_ele)
    dss = []
    for jj in vds:
        dss.append(jj.generate_defect_structure(supercell))
    # gen tasks
    cwd = os.getcwd()
    # make lammps.in, relax at 0 bar (scale = 1)
    if task_type == 'deepmd':
        fc = lammps.make_lammps_press_relax('conf.lmp', ntypes, 1,
                                            lammps.inter_deepmd, model_name)
    elif task_type == 'meam':
        fc = lammps.make_lammps_press_relax('conf.lmp', ntypes, 1,
                                            lammps.inter_meam, model_param)
    f_lammps_in = os.path.join(task_path, 'lammps.in')
    with open(f_lammps_in, 'w') as fp:
        fp.write(fc)
    # gen tasks
    copy_str = "%sx%sx%s" % (supercell[0], supercell[1], supercell[2])
    cwd = os.getcwd()
    if task_type == 'deepmd':
        os.chdir(task_path)
        for ii in model_name:
            if os.path.exists(ii):
                os.remove(ii)
        for (ii, jj) in zip(models, model_name):
            os.symlink(os.path.relpath(ii), jj)
        share_models = glob.glob(os.path.join(task_path, '*pb'))
    else:
        share_models = models

    for ii in range(len(dss)):
        struct_path = os.path.join(
            task_path, 'struct-%s-%s-%03d' % (insert_ele, copy_str, ii))
        print('# generate %s' % (struct_path))
        os.makedirs(struct_path, exist_ok=True)
        os.chdir(struct_path)
        for jj in ['conf.lmp', 'lammps.in'] + model_name:
            if os.path.isfile(jj):
                os.remove(jj)
        # make conf
        dss[ii].to('POSCAR', 'POSCAR')
        lammps.cvt_lammps_conf('POSCAR', 'conf.lmp')
        ptypes = vasp.get_poscar_types('POSCAR')
        lammps.apply_type_map('conf.lmp', type_map, ptypes)
        # link lammps.in
        os.symlink(os.path.relpath(f_lammps_in), 'lammps.in')
        # link models
        for (ii, jj) in zip(share_models, model_name):
            os.symlink(os.path.relpath(ii), jj)
        # save supercell
        np.savetxt('supercell.out', supercell, fmt='%d')
    os.chdir(cwd)
Beispiel #17
0
def make_lammps(jdata, conf_dir, supercell,task_type) :

    kspacing = jdata['vasp_params']['kspacing']
    fp_params = jdata['lammps_params']
    model_dir = fp_params['model_dir']
    type_map = fp_params['type_map'] 
    model_dir = os.path.abspath(model_dir)
    model_name =fp_params['model_name']
    if not model_name :
        models = glob.glob(os.path.join(model_dir, '*pb'))
        model_name = [os.path.basename(ii) for ii in models]
    else:
        models = [os.path.join(model_dir,ii) for ii in model_name]

    model_param = {'model_name' :      fp_params['model_name'],
                  'param_type':          fp_params['model_param_type']}

    ntypes = len(type_map)

    conf_path = os.path.abspath(conf_dir)
    conf_poscar = os.path.join(conf_path, 'POSCAR')
    # get equi poscar
    equi_path = re.sub('confs', global_equi_name, conf_path)
    equi_path = os.path.join(equi_path, 'vasp-k%.2f' % kspacing)
    equi_contcar = os.path.join(equi_path, 'CONTCAR')
    # equi_path = re.sub('confs', global_equi_name, conf_path)
    # equi_path = os.path.join(equi_path, 'lmp')
    # equi_dump = os.path.join(equi_path, 'dump.relax')
    task_path = re.sub('confs', global_task_name, conf_path)
    task_path = os.path.join(task_path, task_type)
    os.makedirs(task_path, exist_ok=True)
    # gen task poscar
    task_poscar = os.path.join(task_path, 'POSCAR')
    # lammps.poscar_from_last_dump(equi_dump, task_poscar, deepmd_type_map)
    cwd = os.getcwd()
    os.chdir(task_path)
    if os.path.isfile('POSCAR') :
        os.remove('POSCAR')
    os.symlink(os.path.relpath(equi_contcar), 'POSCAR')
    os.chdir(cwd)
    # gen structure from equi poscar
    edge = Structure.from_file(task_poscar)
    edge.make_supercell([supercell[0],supercell[1],1])
    center=int(supercell[0]*int(supercell[1]/2)+supercell[0]/2)
    s=[center+supercell[0]*ii for ii in range(int(supercell[1]/2+1))]
    # gen edge dislocation
    edge.remove_sites(s)
    edge.make_supercell([1,1,supercell[2]])
    # gen screw dislocation
    screw = Structure.from_file(task_poscar)
    screw.make_supercell([supercell[0], supercell[1], supercell[2]],to_unit_cell=False)
    c=[]
    for jj in range(math.ceil(supercell[0]/2)):
        for ii in range(supercell[2]):
            c.append(ii+jj*supercell[2])
    v0 = np.asarray(screw._sites[0].coords, float) - np.asarray(screw._sites[1].coords, float)
    for kk in range(math.ceil(supercell[1]/2)):
        dc=[ii+kk*supercell[0]*supercell[2] for ii in c]
        v=(math.ceil(supercell[1]/2)-kk)/math.ceil(supercell[1]/2)*v0
        screw.translate_sites(dc, vector=v, frac_coords=False, to_unit_cell=False)
    dss = []
    dss.append(edge)
    dss.append(screw)

    # gen tasks    
    cwd = os.getcwd()
    # make lammps.in, relax at 0 bar (scale = 1)
    if task_type=='deepmd':
        fc = lammps.make_lammps_elastic('conf.lmp', 
                                    ntypes, 
                                    lammps.inter_deepmd,
                                    model_name)
    elif task_type =='meam':
        fc = lammps.make_lammps_elastic('conf.lmp', 
                                    ntypes, 
                                    lammps.inter_meam,
                                    model_param) 

    f_lammps_in = os.path.join(task_path, 'lammps.in')
    with open(f_lammps_in, 'w') as fp :
        fp.write(fc)
    # gen tasks    
    copy_str = "%sx%sx%s" % (supercell[0], supercell[1], supercell[2])
    cwd = os.getcwd()
    if task_type=='deepmd':
        os.chdir(task_path)
        for ii in model_name :
            if os.path.exists(ii) :
                os.remove(ii)
        for (ii,jj) in zip(models, model_name) :
            os.symlink(os.path.relpath(ii), jj)
        share_models = glob.glob(os.path.join(task_path, '*pb'))
    else :
        share_models=models

    for ii in range(len(dss)) :
        struct_path = os.path.join(task_path, 'struct-%s-%s' % (copy_str,task_dict[ii]))
        print('# generate %s' % (struct_path))
        os.makedirs(struct_path, exist_ok=True)
        os.chdir(struct_path)
        for jj in ['conf.lmp', 'lammps.in'] + model_name :
            if os.path.isfile(jj):
                os.remove(jj)
        # make conf
        dss[ii].to('POSCAR', 'POSCAR')
        lammps.cvt_lammps_conf('POSCAR', 'conf.lmp')
        ptypes = vasp.get_poscar_types('POSCAR')
        lammps.apply_type_map('conf.lmp', type_map, ptypes)    
        # link lammps.in
        os.symlink(os.path.relpath(f_lammps_in), 'lammps.in')
        # link models
        for (ii,jj) in zip(share_models, model_name) :
            os.symlink(os.path.relpath(ii), jj)
        # save supercell
        np.savetxt('supercell.out', supercell, fmt='%d')
    os.chdir(cwd)
Beispiel #18
0
def make_deepmd_lammps (jdata, conf_dir) :
    deepmd_model_dir = jdata['deepmd_model_dir']
    deepmd_type_map = jdata['deepmd_type_map']
    ntypes = len(deepmd_type_map)    
    deepmd_model_dir = os.path.abspath(deepmd_model_dir)
    deepmd_models = glob.glob(os.path.join(deepmd_model_dir, '*pb'))
    deepmd_models_name = [os.path.basename(ii) for ii in deepmd_models]
    vol_start = jdata['vol_start']
    vol_end = jdata['vol_end']
    vol_step = jdata['vol_step']

    # # get equi props
    # equi_path = re.sub('confs', global_equi_name, conf_path)
    # equi_path = os.path.join(equi_path, 'lmp')
    # equi_log = os.path.join(equi_path, 'log.lammps')
    # if not os.path.isfile(equi_log) :
    #     raise RuntimeError("the system should be equilibriated first")
    # natoms, epa, vpa = lammps.get_nev(equi_log)
    # task path
    task_path = re.sub('confs', global_task_name, conf_dir)
    task_path = os.path.abspath(task_path)
    os.makedirs(task_path, exist_ok = True)
    cwd = os.getcwd()
    conf_path = os.path.abspath(conf_dir)
    from_poscar = os.path.join(conf_path, 'POSCAR')
    to_poscar = os.path.join(task_path, 'POSCAR')
    if os.path.exists(to_poscar) :
        assert(filecmp.cmp(from_poscar, to_poscar))
    else :
        os.chdir(task_path)
        os.symlink(os.path.relpath(from_poscar), 'POSCAR')
        os.chdir(cwd)
    volume = vasp.poscar_vol(to_poscar)
    natoms = vasp.poscar_natoms(to_poscar)
    vpa = volume / natoms
    # structrure
    ss = Structure.from_file(to_poscar)
    # lmp path
    lmp_path = os.path.join(task_path, 'deepmd')
    os.makedirs(lmp_path, exist_ok = True)
    # # lmp conf
    # conf_file = os.path.join(lmp_path, 'conf.lmp')
    # lammps.cvt_lammps_conf(to_poscar, conf_file)
    # ptypes = vasp.get_poscar_types(to_poscar)
    # lammps.apply_type_map(conf_file, deepmd_type_map, ptypes)
    os.chdir(lmp_path)
    for ii in deepmd_models_name :
        if os.path.exists(ii) :
            os.remove(ii)
    for (ii,jj) in zip(deepmd_models, deepmd_models_name) :
            os.symlink(os.path.relpath(ii), jj)
    share_models = glob.glob(os.path.join(lmp_path, '*pb'))

    for vol in np.arange(vol_start, vol_end, vol_step) :
        vol_path = os.path.join(lmp_path, 'vol-%.2f' % vol)        
        print('# generate %s' % (vol_path))
        os.makedirs(vol_path, exist_ok = True)
        os.chdir(vol_path)
        #print(vol_path)
        for ii in ['conf.lmp', 'conf.lmp'] + deepmd_models_name :
            if os.path.exists(ii) :
                os.remove(ii)                
        # # link conf
        # os.symlink(os.path.relpath(conf_file), 'conf.lmp')
        # make conf
        scale_ss = ss.copy()
        scale_ss.scale_lattice(vol * natoms)
        scale_ss.to('POSCAR', 'POSCAR')
        lammps.cvt_lammps_conf('POSCAR', 'conf.lmp')
        ptypes = vasp.get_poscar_types('POSCAR')
        lammps.apply_type_map('conf.lmp', deepmd_type_map, ptypes)
        # link models
        for (ii,jj) in zip(share_models, deepmd_models_name) :
            os.symlink(os.path.relpath(ii), jj)
        # make lammps input
        scale = (vol / vpa) ** (1./3.)
        fc = lammps.make_lammps_press_relax('conf.lmp', ntypes, scale,lammps.inter_deepmd, deepmd_models_name)
        with open(os.path.join(vol_path, 'lammps.in'), 'w') as fp :
            fp.write(fc)
        os.chdir(cwd)
Beispiel #19
0
def make_deepmd_lammps(jdata, conf_dir, supercell) :
    fp_params = jdata['vasp_params']
    kspacing = fp_params['kspacing']
    deepmd_model_dir = jdata['deepmd_model_dir']
    deepmd_type_map = jdata['deepmd_type_map']
    ntypes = len(deepmd_type_map)    
    deepmd_model_dir = os.path.abspath(deepmd_model_dir)
    deepmd_models = glob.glob(os.path.join(deepmd_model_dir, '*pb'))
    deepmd_models_name = [os.path.basename(ii) for ii in deepmd_models]

    conf_path = os.path.abspath(conf_dir)
    conf_poscar = os.path.join(conf_path, 'POSCAR')
    # get equi poscar
    equi_path = re.sub('confs', global_equi_name, conf_path)
    equi_path = os.path.join(equi_path, 'vasp-k%.2f' % kspacing)
    equi_contcar = os.path.join(equi_path, 'CONTCAR')
    # equi_path = re.sub('confs', global_equi_name, conf_path)
    # equi_path = os.path.join(equi_path, 'lmp')
    # equi_dump = os.path.join(equi_path, 'dump.relax')
    task_path = re.sub('confs', global_task_name, conf_path)
    task_path = os.path.join(task_path, 'deepmd')
    os.makedirs(task_path, exist_ok=True)
    # gen task poscar
    task_poscar = os.path.join(task_path, 'POSCAR')
    # lammps.poscar_from_last_dump(equi_dump, task_poscar, deepmd_type_map)
    cwd = os.getcwd()
    os.chdir(task_path)
    if os.path.isfile('POSCAR') :
        os.remove('POSCAR')
    os.symlink(os.path.relpath(equi_contcar), 'POSCAR')
    os.chdir(cwd)
    # gen structure from equi poscar
    ss = Structure.from_file(task_poscar)
    # gen defects
    vds = VacancyGenerator(ss)
    dss = []
    for jj in vds :
        dss.append(jj.generate_defect_structure(supercell))
    # gen tasks    
    cwd = os.getcwd()
    # make lammps.in, relax at 0 bar (scale = 1)
    fc = lammps.make_lammps_press_relax('conf.lmp', 
                                        ntypes, 
                                        1, 
                                        lammps.inter_deepmd,
                                        deepmd_models_name)
    f_lammps_in = os.path.join(task_path, 'lammps.in')
    with open(f_lammps_in, 'w') as fp :
        fp.write(fc)
    # gen tasks    
    copy_str = "%sx%sx%s" % (supercell[0], supercell[1], supercell[2])
    cwd = os.getcwd()
    os.chdir(task_path)
    for ii in deepmd_models_name :
        if os.path.exists(ii) :
            os.remove(ii)
    for (ii,jj) in zip(deepmd_models, deepmd_models_name) :
            os.symlink(os.path.relpath(ii), jj)
    share_models = glob.glob(os.path.join(task_path, '*pb'))


    for ii in range(len(dss)) :
        struct_path = os.path.join(task_path, 'struct-%s-%03d' % (copy_str,ii))
        print('# generate %s' % (struct_path))
        os.makedirs(struct_path, exist_ok=True)
        os.chdir(struct_path)
        for jj in ['conf.lmp', 'lammps.in'] + deepmd_models_name :
            if os.path.isfile(jj):
                os.remove(jj)
        # make conf
        dss[ii].to('POSCAR', 'POSCAR')
        lammps.cvt_lammps_conf('POSCAR', 'conf.lmp')
        ptypes = vasp.get_poscar_types('POSCAR')
        lammps.apply_type_map('conf.lmp', deepmd_type_map, ptypes)    
        # link lammps.in
        os.symlink(os.path.relpath(f_lammps_in), 'lammps.in')
        # link models
        for (ii,jj) in zip(share_models, deepmd_models_name) :
            os.symlink(os.path.relpath(ii), jj)
        # save supercell
        np.savetxt('supercell.out', supercell, fmt='%d')
    os.chdir(cwd)