コード例 #1
0
    def test_chunk_micro(self):
        coefs = {
            'A': {
                'requires': ['a', 'd', 'c.B']
            },
            'B': {
                'requires': ['b']
            }
        }
        requirements = {
            'a': {
                'requires': ['b', 'c']
            },
            'b': {
                'requires': ['c']
            },
            'c': {},
            'd': {
                'requires': ['b', 'a']
            }
        }

        volumes = {'total': {'expression': ''}}
        coefs = he.define_volume_coef(coefs, volumes)
        orig_deps_num = len(requirements) + len(coefs)

        num_workers, num_micro, chunk_size = 5, 61, 10
        store_micro_idxs = [0, 1, 18, 20, 21]
        micro_chunk_tab, requirements, coefs = \
            he.chunk_micro_coors(num_workers, num_micro, requirements, coefs,
                                 chunk_size, store_micro_idxs)

        dep_names = he.get_sorted_dependencies(requirements, coefs, None)

        ok = (orig_deps_num * num_workers) == len(dep_names)
        self.report('splitting into chunks:', ok)

        deps = {}
        for k in dep_names:
            chunk_id = int(k[-3:])
            nmic = len(range(*micro_chunk_tab[chunk_id].indices(num_micro)))
            deps[k] = [1] * nmic
            if k[2:] in coefs and 'Volume_total' not in k:
                reqs = '#'.join(coefs[k[2:]]['requires'])
                ok = ok and 'Volume_total' in reqs

        self.report('volume dependecy:', ok)

        deps = he.dechunk_reqs_coefs(deps, len(micro_chunk_tab))

        ok = ok and\
            nm.all([(nm.sum(v) == num_micro) for v in six.itervalues(deps)])
        self.report('merging chunks:', ok)

        return ok
コード例 #2
0
    def call(self, verbose=False, ret_all=None):
        """
        Call the homogenization engine and compute the homogenized
        coefficients.

        Parameters
        ----------
        verbose : bool
            If True, print the computed coefficients.
        ret_all : bool or None
            If not None, it can be used to override the 'return_all' option.
            If True, also the dependencies are returned.

        Returns
        -------
        coefs : Coefficients instance
            The homogenized coefficients.
        dependencies : dict
            The dependencies, if `ret_all` is True.
        """
        opts = self.app_options

        ret_all = get_default(ret_all, opts.return_all)

        volume = get_volume_from_options(opts, self.problem)

        for vk, vv in volume.iteritems():
            output('volume: %s = %.2f' % (vk, vv))

        he = HomogenizationEngine( self.problem, self.options, volume = volume )

        aux = he( ret_all = ret_all)
        if ret_all:
            coefs, dependencies = aux
        else:
            coefs = aux

        coefs = Coefficients( **coefs.to_dict() )
        coefs.volume = volume

        if verbose:
            prec = nm.get_printoptions()[ 'precision']
            if hasattr(opts, 'print_digits'):
                nm.set_printoptions(precision=opts.print_digits)
            print coefs
            nm.set_printoptions(precision=prec)

        coef_save_name = op.join( opts.output_dir, opts.coefs_filename )
        coefs.to_file_hdf5( coef_save_name + '.h5' )
        coefs.to_file_txt( coef_save_name + '.txt',
                           opts.tex_names,
                           opts.float_format )

        if ret_all:
            return coefs, dependencies
        else:
            return coefs
コード例 #3
0
class HomogenizationApp(HomogenizationEngine):
    @staticmethod
    def process_options(options):
        """
        Application options setup. Sets default values for missing
        non-compulsory options.
        """
        get = options.get

        volume = get('volume', None)
        volumes = get('volumes', None)
        if volume is None and volumes is None:
            raise ValueError('missing "volume" in options!')

        return Struct(print_digits=get('print_digits', 3),
                      float_format=get('float_format', '%8.3e'),
                      coefs_filename=get('coefs_filename', 'coefs'),
                      tex_names=get('tex_names', None),
                      coefs=get('coefs', None, 'missing "coefs" in options!'),
                      requirements=get('requirements', None,
                                       'missing "requirements" in options!'),
                      return_all=get('return_all', False),
                      macro_deformation=get('macro_deformation', None),
                      mesh_update_variable=get('mesh_update_variable', None),
                      mesh_update_corrector=get('mesh_update_corrector', None),
                      multiprocessing=get('multiprocessing', True),
                      use_mpi=get('use_mpi', False),
                      store_micro_idxs=get('store_micro_idxs', []),
                      volume=volume,
                      volumes=volumes)

    def __init__(self, conf, options, output_prefix, **kwargs):
        PDESolverApp.__init__(self,
                              conf,
                              options,
                              output_prefix,
                              init_equations=False)

        self.setup_options()
        self.cached_coefs = None
        self.n_micro = kwargs.get('n_micro', None)
        self.macro_deformation = None
        self.micro_coors = None
        self.updating_corrs = None
        self.micro_state_cache = {}
        self.multiproc_mode = None

        mac_def = self.app_options.macro_deformation
        if mac_def is not None and isinstance(mac_def, nm.ndarray):
            self.n_micro = mac_def.shape[0]
            self.setup_macro_deformation(mac_def)

        if self.n_micro is not None:
            coors = self.problem.domain.get_mesh_coors()
            self.micro_coors = nm.empty((self.n_micro, ) + coors.shape,
                                        dtype=nm.float64)
            for im in range(self.n_micro):
                self.micro_coors[im, ...] = coors

        output_dir = self.problem.output_dir

        if conf._filename is not None:
            shutil.copyfile(conf._filename,
                            op.join(output_dir, op.basename(conf._filename)))

    def setup_options(self):
        PDESolverApp.setup_options(self)
        po = HomogenizationApp.process_options
        self.app_options += po(self.conf.options)
        if hasattr(self, 'he'):
            self.he.setup_options()

    def setup_macro_deformation(self, mtx_F):
        """
        Setup macroscopic deformation gradient.
        """
        self.macro_deformation = mtx_F

    def get_micro_cache_key(self, key, icoor, itime):
        tt = '' if itime is None else '_t%03d' % itime
        return '%s_%d%s' % (key, icoor, tt)

    def update_micro_coors(self, ret_val=False):
        """
        Update microstructures coordinates according to the deformation
        gradient and corrector functions.
        """
        dim = self.macro_deformation.shape[1]
        mtx_e = self.macro_deformation - nm.eye(dim)
        ncoors = self.micro_coors
        ncoors += la.dot_sequences(ncoors, mtx_e, 'ABT')
        if self.updating_corrs is not None:
            upd_var = self.app_options.mesh_update_variable
            for ii, corr in enumerate(self.updating_corrs):
                update_corr = nm.array(
                    [corr.states[jj][upd_var] for jj in corr.components]).T
                gg = mtx_e[ii, ...].reshape((dim**2, 1))
                ncoors[ii] += nm.dot(update_corr, gg).reshape(ncoors[ii].shape)

        if ret_val:
            return ncoors

    def call(self, verbose=False, ret_all=None, itime=None, iiter=None):
        """
        Call the homogenization engine and compute the homogenized
        coefficients.

        Parameters
        ----------
        verbose : bool
            If True, print the computed coefficients.
        ret_all : bool or None
            If not None, it can be used to override the 'return_all' option.
            If True, also the dependencies are returned.
        time_tag: str
            The time tag used in file names.

        Returns
        -------
        coefs : Coefficients instance
            The homogenized coefficients.
        dependencies : dict
            The dependencies, if `ret_all` is True.
        """
        opts = self.app_options

        ret_all = get_default(ret_all, opts.return_all)

        if not hasattr(self, 'he'):
            volumes = {}
            if hasattr(opts, 'volumes') and (opts.volumes is not None):
                volumes.update(opts.volumes)
            elif hasattr(opts, 'volume') and (opts.volume is not None):
                volumes['total'] = opts.volume
            else:
                volumes['total'] = 1.0

            self.he = HomogenizationEngine(self.problem,
                                           self.options,
                                           volumes=volumes)

        if self.micro_coors is not None:
            self.he.set_micro_coors(self.update_micro_coors(ret_val=True))

        multiproc_mode = None
        if opts.multiprocessing and multi.use_multiprocessing:
            multiproc, multiproc_mode = multi.get_multiproc(mpi=opts.use_mpi)

            if multiproc_mode is not None:
                upd_var = self.app_options.mesh_update_variable
                if upd_var is not None:
                    uvar = self.problem.create_variables([upd_var])[upd_var]
                    uvar.field.mappings0 = multiproc.get_dict('mappings0',
                                                              soft_set=True)
                per.periodic_cache = multiproc.get_dict('periodic_cache',
                                                        soft_set=True)

        time_tag = ('' if itime is None else '_t%03d' % itime)\
            + ('' if iiter is None else '_i%03d' % iiter)

        aux = self.he(ret_all=ret_all, time_tag=time_tag)
        if ret_all:
            coefs, dependencies = aux
            # store correctors for coors update
            if opts.mesh_update_corrector is not None:
                self.updating_corrs =\
                    dependencies[opts.mesh_update_corrector]
        else:
            coefs = aux

        if coefs is not None:
            coefs = Coefficients(**coefs.to_dict())

            if verbose:
                prec = nm.get_printoptions()['precision']
                if hasattr(opts, 'print_digits'):
                    nm.set_printoptions(precision=opts.print_digits)
                print(coefs)
                nm.set_printoptions(precision=prec)

            ms_cache = self.micro_state_cache
            for ii in self.app_options.store_micro_idxs:
                key = self.get_micro_cache_key('coors', ii, itime)
                ms_cache[key] = self.micro_coors[ii, ...]

            coef_save_name = op.join(opts.output_dir, opts.coefs_filename)
            coefs.to_file_hdf5(coef_save_name + '%s.h5' % time_tag)
            coefs.to_file_txt(coef_save_name + '%s.txt' % time_tag,
                              opts.tex_names, opts.float_format)

        if ret_all:
            return coefs, dependencies
        else:
            return coefs
コード例 #4
0
    def call(self, verbose=False, ret_all=None, itime=None, iiter=None):
        """
        Call the homogenization engine and compute the homogenized
        coefficients.

        Parameters
        ----------
        verbose : bool
            If True, print the computed coefficients.
        ret_all : bool or None
            If not None, it can be used to override the 'return_all' option.
            If True, also the dependencies are returned.
        time_tag: str
            The time tag used in file names.

        Returns
        -------
        coefs : Coefficients instance
            The homogenized coefficients.
        dependencies : dict
            The dependencies, if `ret_all` is True.
        """
        opts = self.app_options

        ret_all = get_default(ret_all, opts.return_all)

        if not hasattr(self, 'he'):
            volumes = {}
            if hasattr(opts, 'volumes') and (opts.volumes is not None):
                volumes.update(opts.volumes)
            elif hasattr(opts, 'volume') and (opts.volume is not None):
                volumes['total'] = opts.volume
            else:
                volumes['total'] = 1.0

            self.he = HomogenizationEngine(self.problem,
                                           self.options,
                                           volumes=volumes)

        if self.micro_coors is not None:
            self.he.set_micro_coors(self.update_micro_coors(ret_val=True))

        multiproc_mode = None
        if opts.multiprocessing and multi.use_multiprocessing:
            multiproc, multiproc_mode = multi.get_multiproc(mpi=opts.use_mpi)

            if multiproc_mode is not None:
                upd_var = self.app_options.mesh_update_variable
                if upd_var is not None:
                    uvar = self.problem.create_variables([upd_var])[upd_var]
                    uvar.field.mappings0 = multiproc.get_dict('mappings0',
                                                              soft_set=True)
                per.periodic_cache = multiproc.get_dict('periodic_cache',
                                                        soft_set=True)

        time_tag = ('' if itime is None else '_t%03d' % itime)\
            + ('' if iiter is None else '_i%03d' % iiter)

        aux = self.he(ret_all=ret_all, time_tag=time_tag)
        if ret_all:
            coefs, dependencies = aux
            # store correctors for coors update
            if opts.mesh_update_corrector is not None:
                self.updating_corrs =\
                    dependencies[opts.mesh_update_corrector]
        else:
            coefs = aux

        if coefs is not None:
            coefs = Coefficients(**coefs.to_dict())

            if verbose:
                prec = nm.get_printoptions()['precision']
                if hasattr(opts, 'print_digits'):
                    nm.set_printoptions(precision=opts.print_digits)
                print(coefs)
                nm.set_printoptions(precision=prec)

            ms_cache = self.micro_state_cache
            for ii in self.app_options.store_micro_idxs:
                key = self.get_micro_cache_key('coors', ii, itime)
                ms_cache[key] = self.micro_coors[ii, ...]

            coef_save_name = op.join(opts.output_dir, opts.coefs_filename)
            coefs.to_file_hdf5(coef_save_name + '%s.h5' % time_tag)
            coefs.to_file_txt(coef_save_name + '%s.txt' % time_tag,
                              opts.tex_names, opts.float_format)

        if ret_all:
            return coefs, dependencies
        else:
            return coefs
コード例 #5
0
    def call(self):
        """
        Construct and call the homogenization engine accoring to options.
        """
        options = self.options

        opts = self.app_options
        conf = self.problem.conf
        coefs_name = opts.coefs
        coef_info = conf.get(opts.coefs, None,
                             'missing "%s" in problem description!'
                             % opts.coefs)

        if options.detect_band_gaps:
            # Compute band gaps coefficients and data.
            keys = [key for key in coef_info if key.startswith('band_gaps')]

        elif options.analyze_dispersion or options.phase_velocity:

            # Insert incident wave direction to coefficients that need it.
            for key, val in coef_info.iteritems():
                coef_opts = val.get('options', None)
                if coef_opts is None: continue

                if (('incident_wave_dir' in coef_opts)
                    and (coef_opts['incident_wave_dir'] is None)):
                    coef_opts['incident_wave_dir'] = opts.incident_wave_dir

            if options.analyze_dispersion:
                # Compute dispersion coefficients and data.
                keys = [key for key in coef_info
                        if key.startswith('dispersion')
                        or key.startswith('polarization_angles')]

            else:
                # Compute phase velocity and its requirements.
                keys = [key for key in coef_info
                        if key.startswith('phase_velocity')]

        else:
            # Compute only the eigenvalue problems.
            names = [req for req in conf.get(opts.requirements, [''])
                     if req.startswith('evp')]
            coefs = {'dummy' : {'requires' : names,
                                'class' : CoefDummy,}}
            conf.coefs_dummy = coefs
            coefs_name = 'coefs_dummy'
            keys = ['dummy']

        he_options = Struct(coefs=coefs_name, requirements=opts.requirements,
                            compute_only=keys,
                            post_process_hook=self.post_process_hook)
        volume = get_volume_from_options(opts, self.problem)

        he = HomogenizationEngine(self.problem, options,
                                  app_options=he_options,
                                  volume=volume)
        coefs = he()

        coefs = Coefficients(**coefs.to_dict())
        coefs.volume = volume

        coefs_filename = op.join(opts.output_dir, opts.coefs_filename)
        coefs.to_file_txt(coefs_filename + '.txt',
                          opts.tex_names,
                          opts.float_format)

        bg_keys = [key for key in coefs.to_dict()
                   if key.startswith('band_gaps')
                   or key.startswith('dispersion')]
        for ii, key in enumerate(bg_keys):
            bg = coefs.get(key)
            log_save_name = bg.get('log_save_name', None)
            if log_save_name is not None:
                filename = op.join(self.problem.output_dir, log_save_name)
                bg.save_log(filename, opts.float_format, bg)

        if options.plot:
            if options.detect_band_gaps:
                self.plot_band_gaps(coefs)

            elif options.analyze_dispersion:
                self.plot_dispersion(coefs)

        elif options.phase_velocity:
            keys = [key for key in coefs.to_dict()
                    if key.startswith('phase_velocity')]
            for key in keys:
                output('%s:' % key, coefs.get(key))

        return coefs
コード例 #6
0
ファイル: homogen_app.py プロジェクト: clazaro/sfepy
class HomogenizationApp(HomogenizationEngine):
    @staticmethod
    def process_options(options):
        """
        Application options setup. Sets default values for missing
        non-compulsory options.
        """
        get = options.get

        volume = get('volume', None)
        volumes = get('volumes', None)
        if volume is None and volumes is None:
            raise ValueError('missing "volume" in options!')

        return Struct(print_digits=get('print_digits', 3),
                      float_format=get('float_format', '%8.3e'),
                      coefs_filename=get('coefs_filename', 'coefs'),
                      tex_names=get('tex_names', None),
                      coefs=get('coefs', None, 'missing "coefs" in options!'),
                      requirements=get('requirements', None,
                                       'missing "requirements" in options!'),
                      return_all=get('return_all', False),
                      macro_deformation=get('macro_deformation', None),
                      mesh_update_variable=get('mesh_update_variable', None),
                      mesh_update_corrector=get('mesh_update_corrector', None),
                      multiprocessing=get('multiprocessing', True),
                      use_mpi=get('use_mpi', False),
                      store_micro_idxs=get('store_micro_idxs', []),
                      volume=volume,
                      volumes=volumes)

    def __init__(self, conf, options, output_prefix, **kwargs):
        PDESolverApp.__init__(self, conf, options, output_prefix,
                              init_equations=False)

        self.setup_options()
        self.cached_coefs = None
        self.n_micro = kwargs.get('n_micro', None)
        self.macro_deformation = None
        self.micro_coors = None
        self.updating_corrs = None
        self.micro_state_cache = {}
        self.multiproc_mode = None

        mac_def = self.app_options.macro_deformation
        if mac_def is not None and isinstance(mac_def, nm.ndarray):
            self.n_micro = mac_def.shape[0]
            self.setup_macro_deformation(mac_def)

        if self.n_micro is not None:
            coors = self.problem.domain.get_mesh_coors()
            self.micro_coors = nm.empty((self.n_micro,) + coors.shape,
                                        dtype=nm.float64)
            for im in range(self.n_micro):
                self.micro_coors[im, ...] = coors

        output_dir = self.problem.output_dir

        if conf._filename is not None:
            shutil.copyfile(conf._filename,
                            op.join(output_dir, op.basename(conf._filename)))

    def setup_options(self):
        PDESolverApp.setup_options(self)
        po = HomogenizationApp.process_options
        self.app_options += po(self.conf.options)

    def setup_macro_deformation(self, mtx_F):
        """
        Setup macroscopic deformation gradient.
        """
        self.macro_deformation = mtx_F

    def get_micro_cache_key(self, key, icoor, itime):
        tt = '' if itime is None else '_t%03d' % itime
        return '%s_%d%s' % (key, icoor, tt)

    def update_micro_coors(self, ret_val=False):
        """
        Update microstructures coordinates according to the deformation
        gradient and corrector functions.
        """
        dim = self.macro_deformation.shape[1]
        mtx_e = self.macro_deformation - nm.eye(dim)
        ncoors = self.micro_coors
        ncoors += la.dot_sequences(ncoors, mtx_e, 'ABT')
        if self.updating_corrs is not None:
            upd_var = self.app_options.mesh_update_variable
            for ii, corr in enumerate(self.updating_corrs):
                update_corr = nm.array(
                    [corr.states[jj][upd_var] for jj in corr.components]).T
                gg = mtx_e[ii, ...].reshape((dim**2, 1))
                ncoors[ii] += nm.dot(update_corr, gg).reshape(ncoors[ii].shape)

        if ret_val:
            return ncoors

    def call(self, verbose=False, ret_all=None, itime=None, iiter=None):
        """
        Call the homogenization engine and compute the homogenized
        coefficients.

        Parameters
        ----------
        verbose : bool
            If True, print the computed coefficients.
        ret_all : bool or None
            If not None, it can be used to override the 'return_all' option.
            If True, also the dependencies are returned.
        time_tag: str
            The time tag used in file names.

        Returns
        -------
        coefs : Coefficients instance
            The homogenized coefficients.
        dependencies : dict
            The dependencies, if `ret_all` is True.
        """
        opts = self.app_options

        ret_all = get_default(ret_all, opts.return_all)

        if not hasattr(self, 'he'):
            volumes = {}
            if hasattr(opts, 'volumes') and (opts.volumes is not None):
                volumes.update(opts.volumes)
            elif hasattr(opts, 'volume') and (opts.volume is not None):
                volumes['total'] = opts.volume
            else:
                volumes['total'] = 1.0

            self.he = HomogenizationEngine(self.problem, self.options,
                                           volumes=volumes)

        if self.micro_coors is not None:
            self.he.set_micro_coors(self.update_micro_coors(ret_val=True))

        multiproc_mode = None
        if opts.multiprocessing and multi.use_multiprocessing:
            multiproc, multiproc_mode = multi.get_multiproc(mpi=opts.use_mpi)

            if multiproc_mode is not None:
                upd_var = self.app_options.mesh_update_variable
                if upd_var is not None:
                    uvar = self.problem.create_variables([upd_var])[upd_var]
                    uvar.field.mappings0 = multiproc.get_dict('mappings0',
                                                              soft_set=True)
                per.periodic_cache = multiproc.get_dict('periodic_cache',
                                                        soft_set=True)

        time_tag = ('' if itime is None else '_t%03d' % itime)\
            + ('' if iiter is None else '_i%03d' % iiter)

        aux = self.he(ret_all=ret_all, time_tag=time_tag)
        if ret_all:
            coefs, dependencies = aux
            # store correctors for coors update
            if opts.mesh_update_corrector is not None:
                self.updating_corrs =\
                    dependencies[opts.mesh_update_corrector]
        else:
            coefs = aux

        if coefs is not None:
            coefs = Coefficients(**coefs.to_dict())

            if verbose:
                prec = nm.get_printoptions()['precision']
                if hasattr(opts, 'print_digits'):
                    nm.set_printoptions(precision=opts.print_digits)
                print(coefs)
                nm.set_printoptions(precision=prec)

            ms_cache = self.micro_state_cache
            for ii in self.app_options.store_micro_idxs:
                key = self.get_micro_cache_key('coors', ii, itime)
                ms_cache[key] = self.micro_coors[ii, ...]

            coef_save_name = op.join(opts.output_dir, opts.coefs_filename)
            coefs.to_file_hdf5(coef_save_name + '%s.h5' % time_tag)
            coefs.to_file_txt(coef_save_name + '%s.txt' % time_tag,
                              opts.tex_names,
                              opts.float_format)

        if ret_all:
            return coefs, dependencies
        else:
            return coefs
コード例 #7
0
ファイル: homogen_app.py プロジェクト: clazaro/sfepy
    def call(self, verbose=False, ret_all=None, itime=None, iiter=None):
        """
        Call the homogenization engine and compute the homogenized
        coefficients.

        Parameters
        ----------
        verbose : bool
            If True, print the computed coefficients.
        ret_all : bool or None
            If not None, it can be used to override the 'return_all' option.
            If True, also the dependencies are returned.
        time_tag: str
            The time tag used in file names.

        Returns
        -------
        coefs : Coefficients instance
            The homogenized coefficients.
        dependencies : dict
            The dependencies, if `ret_all` is True.
        """
        opts = self.app_options

        ret_all = get_default(ret_all, opts.return_all)

        if not hasattr(self, 'he'):
            volumes = {}
            if hasattr(opts, 'volumes') and (opts.volumes is not None):
                volumes.update(opts.volumes)
            elif hasattr(opts, 'volume') and (opts.volume is not None):
                volumes['total'] = opts.volume
            else:
                volumes['total'] = 1.0

            self.he = HomogenizationEngine(self.problem, self.options,
                                           volumes=volumes)

        if self.micro_coors is not None:
            self.he.set_micro_coors(self.update_micro_coors(ret_val=True))

        multiproc_mode = None
        if opts.multiprocessing and multi.use_multiprocessing:
            multiproc, multiproc_mode = multi.get_multiproc(mpi=opts.use_mpi)

            if multiproc_mode is not None:
                upd_var = self.app_options.mesh_update_variable
                if upd_var is not None:
                    uvar = self.problem.create_variables([upd_var])[upd_var]
                    uvar.field.mappings0 = multiproc.get_dict('mappings0',
                                                              soft_set=True)
                per.periodic_cache = multiproc.get_dict('periodic_cache',
                                                        soft_set=True)

        time_tag = ('' if itime is None else '_t%03d' % itime)\
            + ('' if iiter is None else '_i%03d' % iiter)

        aux = self.he(ret_all=ret_all, time_tag=time_tag)
        if ret_all:
            coefs, dependencies = aux
            # store correctors for coors update
            if opts.mesh_update_corrector is not None:
                self.updating_corrs =\
                    dependencies[opts.mesh_update_corrector]
        else:
            coefs = aux

        if coefs is not None:
            coefs = Coefficients(**coefs.to_dict())

            if verbose:
                prec = nm.get_printoptions()['precision']
                if hasattr(opts, 'print_digits'):
                    nm.set_printoptions(precision=opts.print_digits)
                print(coefs)
                nm.set_printoptions(precision=prec)

            ms_cache = self.micro_state_cache
            for ii in self.app_options.store_micro_idxs:
                key = self.get_micro_cache_key('coors', ii, itime)
                ms_cache[key] = self.micro_coors[ii, ...]

            coef_save_name = op.join(opts.output_dir, opts.coefs_filename)
            coefs.to_file_hdf5(coef_save_name + '%s.h5' % time_tag)
            coefs.to_file_txt(coef_save_name + '%s.txt' % time_tag,
                              opts.tex_names,
                              opts.float_format)

        if ret_all:
            return coefs, dependencies
        else:
            return coefs
コード例 #8
0
ファイル: homogen_app.py プロジェクト: zitkat/sfepy
class HomogenizationApp(HomogenizationEngine):
    @staticmethod
    def process_options(options):
        """
        Application options setup. Sets default values for missing
        non-compulsory options.
        """
        get = options.get

        volume = get('volume', None)
        volumes = get('volumes', None)
        if volume is None and volumes is None:
            raise ValueError('missing "volume" in options!')

        return Struct(print_digits=get('print_digits', 3),
                      float_format=get('float_format', '%8.3e'),
                      coefs_filename=get('coefs_filename', 'coefs'),
                      tex_names=get('tex_names', None),
                      coefs=get('coefs', None, 'missing "coefs" in options!'),
                      requirements=get('requirements', None,
                                       'missing "requirements" in options!'),
                      return_all=get('return_all', False),
                      mesh_update_variable=get('mesh_update_variable', None),
                      macro_data=get('macro_data', None),
                      micro_update=get('micro_update', {}),
                      n_micro=get('n_micro', None),
                      multiprocessing=get('multiprocessing', True),
                      use_mpi=get('use_mpi', False),
                      store_micro_idxs=get('store_micro_idxs', []),
                      volume=volume,
                      volumes=volumes)

    def __init__(self, conf, options, output_prefix, **kwargs):
        PDESolverApp.__init__(self,
                              conf,
                              options,
                              output_prefix,
                              init_equations=False)

        self.setup_options()
        self.n_micro = kwargs.get('n_micro',
                                  self.app_options.get('n_micro', None))
        self.updating_corrs = None
        self.micro_state_cache = {}
        self.multiproc_mode = None
        self.micro_states = None if self.n_micro is None else {}

        # macroscopic data given in problem options dict.
        macro_data = self.app_options.macro_data
        if macro_data is not None:
            self.n_micro = macro_data[list(macro_data.keys())[0]].shape[0]
            self.setup_macro_data(macro_data)

        if self.n_micro is not None:
            for k in self.app_options.micro_update:
                if not k == 'coors':
                    self.micro_states[k] = None

            coors = self.problem.domain.get_mesh_coors()
            c_sh = (self.n_micro, ) + coors.shape
            self.micro_states['coors'] = nm.empty(c_sh, dtype=nm.float64)

            mac_ids = kwargs.get('mac_ids',
                                 self.app_options.get('mac_ids', None))
            self.micro_states['id'] = []
            for im in range(self.n_micro):
                self.micro_states['coors'][im] = coors
                self.micro_states['id'].append(
                    mac_ids[im] if mac_ids is not None else im)

        output_dir = self.problem.output_dir

        if conf._filename is not None:
            shutil.copyfile(conf._filename,
                            op.join(output_dir, op.basename(conf._filename)))

    def setup_options(self):
        PDESolverApp.setup_options(self)
        po = HomogenizationApp.process_options
        self.app_options += po(self.conf.options)
        if hasattr(self, 'he'):
            self.he.setup_options()

    def setup_macro_data(self, data):
        """
        Setup macroscopic deformation gradient.
        """
        self.macro_data = data
        self.problem.homogenization_macro_data = self.macro_data

    def get_micro_cache_key(self, key, icoor, itime):
        tt = '' if itime is None else '_t%03d' % itime
        return '%s_%d%s' % (key, icoor, tt)

    def update_micro_states(self):
        """
        Update microstructures state according to the macroscopic data
        and corrector functions.
        """
        def calculate_local_update(state, corrs, var, macro_vals, mul=1):
            for ic, corr in enumerate(corrs):
                if state is None:
                    sh = corr.states[corr.components[0]][var].shape \
                        if hasattr(corr, 'states') else corr.state[var].shape
                    state = nm.zeros((len(corrs), ) + sh, dtype=nm.float64)
                else:
                    sh = state[ic].shape

                if hasattr(corr, 'states'):
                    corr_arr = nm.array(
                        [corr.states[jj][var] for jj in corr.components]).T
                    mval = macro_vals[ic].reshape((corr_arr.shape[1], 1))
                    state[ic] += mul * nm.dot(corr_arr, mval).reshape(sh)
                else:
                    if macro_vals is None:
                        state[ic] += mul * corr.state[var].reshape(sh)
                    else:
                        state[ic] += mul\
                            * (corr.state[var] * macro_vals[ic]).reshape(sh)

            return state

        micro_update = self.app_options.micro_update
        for key, upd_obj in six.iteritems(micro_update):
            if '_prev' in key:
                continue

            state = self.micro_states[key]

            if key + '_prev' in micro_update and state is not None:
                self.micro_states[key + '_prev'] = state.copy()

            if key == 'coors':
                if hasattr(upd_obj, '__call__'):
                    upd_obj(state, self.macro_data, self.problem)
                else:
                    # macro strain - in the first sequence of the list
                    mtx_e = self.macro_data[upd_obj[0][2]]
                    state += la.dot_sequences(state, mtx_e, 'ABT')

            if hasattr(upd_obj, '__call__'):
                upd_obj(state, self.macro_data, self.problem)
            else:
                if self.updating_corrs is not None:
                    for v in upd_obj:
                        if len(v) == 4:
                            cname, vname, mname, mul = v
                        else:
                            cname, vname, mname = v
                            mul = 1

                        macro_data = None if mname is None \
                            else self.macro_data[mname]
                        if cname is not None:
                            state0 = calculate_local_update(
                                state, self.updating_corrs[cname], vname,
                                macro_data, mul)
                        else:
                            state += macro_data[..., 0]

                        if state0 is not state:
                            self.micro_states[key] = state0
                            state = state0

    def call(self, verbose=False, ret_all=None, itime=None, iiter=None):
        """
        Call the homogenization engine and compute the homogenized
        coefficients.

        Parameters
        ----------
        verbose : bool
            If True, print the computed coefficients.
        ret_all : bool or None
            If not None, it can be used to override the 'return_all' option.
            If True, also the dependencies are returned.
        time_tag: str
            The time tag used in file names.

        Returns
        -------
        coefs : Coefficients instance
            The homogenized coefficients.
        dependencies : dict
            The dependencies, if `ret_all` is True.
        """
        opts = self.app_options

        ret_all = get_default(ret_all, opts.return_all)

        if not hasattr(self, 'he'):
            volumes = {}
            if hasattr(opts, 'volumes') and (opts.volumes is not None):
                volumes.update(opts.volumes)
            elif hasattr(opts, 'volume') and (opts.volume is not None):
                volumes['total'] = opts.volume
            else:
                volumes['total'] = 1.0

            self.he = HomogenizationEngine(self.problem,
                                           self.options,
                                           volumes=volumes)

        if self.micro_states is not None:
            self.update_micro_states()
            self.he.set_micro_states(self.micro_states)

        multiproc_mode = None
        if opts.multiprocessing and multi.use_multiprocessing:
            multiproc, multiproc_mode = multi.get_multiproc(mpi=opts.use_mpi)

            if multiproc_mode is not None:
                upd_var = self.app_options.mesh_update_variable
                if upd_var is not None:
                    uvar = self.problem.create_variables([upd_var])[upd_var]
                    uvar.field.mappings0 = multiproc.get_dict('mappings0',
                                                              soft_set=True)
                per.periodic_cache = multiproc.get_dict('periodic_cache',
                                                        soft_set=True)

        time_tag = ('' if itime is None else '_t%03d' % itime)\
            + ('' if iiter is None else '_i%03d' % iiter)

        aux = self.he(ret_all=ret_all, time_tag=time_tag)
        if ret_all:
            coefs, dependencies = aux
            # store correctors for coors update
            self.updating_corrs = {}
            for upd_obj in six.itervalues(opts.micro_update):
                if upd_obj is not None and not hasattr(upd_obj, '__call__'):
                    for v in upd_obj:
                        cr = v[0]
                        if cr is not None:
                            self.updating_corrs[cr] = dependencies[cr]
        else:
            coefs = aux

        if coefs is not None:
            coefs = Coefficients(**coefs.to_dict())

            if verbose:
                prec = nm.get_printoptions()['precision']
                if hasattr(opts, 'print_digits'):
                    nm.set_printoptions(precision=opts.print_digits)
                print(coefs)
                nm.set_printoptions(precision=prec)

            ms_cache = self.micro_state_cache
            for ii in self.app_options.store_micro_idxs:
                for k in self.micro_states.keys():
                    key = self.get_micro_cache_key(k, ii, itime)
                    ms_cache[key] = self.micro_states[k][ii]

            coef_save_name = op.join(opts.output_dir, opts.coefs_filename)
            coefs.to_file_hdf5(coef_save_name + '%s.h5' % time_tag)
            coefs.to_file_txt(coef_save_name + '%s.txt' % time_tag,
                              opts.tex_names, opts.float_format)

        if ret_all:
            return coefs, dependencies
        else:
            return coefs