Example #1
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)
Example #2
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()
Example #3
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()
Example #4
0
    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)
Example #5
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)