Exemple #1
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    def init_attributes(self,
                        *,
                        spatial_discretisation,
                        spectral_discretisation,
                        kappa,
                        enable_temperatures=False,
                        rtol=default_rtol):
        # TODO move to one method
        super().sync()
        self.notify()

        attributes = {}
        with np.errstate(all='raise'):
            positions = spatial_discretisation.sample(self.mesh.grid,
                                                      self.core.n_sd)
            attributes['cell id'], attributes['cell origin'], attributes['position in cell'] = \
                self.mesh.cellular_attributes(positions)
            r_dry, n_per_kg = spectral_discretisation.sample(self.core.n_sd)
            r_wet = r_wet_init(r_dry, self, attributes['cell id'], kappa, rtol)
            rhod = self['rhod'].to_ndarray()
            cell_id = attributes['cell id']
            domain_volume = np.prod(np.array(self.mesh.size))

        if enable_temperatures:
            attributes['temperature'] = temperature_init(
                self, attributes['cell id'])
        attributes['n'] = discretise_n(n_per_kg * rhod[cell_id] *
                                       domain_volume)
        attributes['volume'] = phys.volume(radius=r_wet)
        attributes['dry volume'] = phys.volume(radius=r_dry)

        return attributes
Exemple #2
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    def init_attributes(self,
                        *,
                        n_in_dv: [float, np.ndarray],
                        kappa: float,
                        r_dry: [float, np.ndarray],
                        rtol=default_rtol):
        if not isinstance(n_in_dv, np.ndarray):
            r_dry = np.array([r_dry])
            n_in_dv = np.array([n_in_dv])

        attributes = {}
        attributes['dry volume'] = self.formulae.trivia.volume(radius=r_dry)
        attributes['n'] = discretise_n(n_in_dv)
        r_wet = r_wet_init(r_dry, self, kappa, rtol=rtol)
        attributes['volume'] = self.formulae.trivia.volume(radius=r_wet)
        return attributes
Exemple #3
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    def __init__(self, settings, backend=CPU):
        t_half = settings.z_half / settings.w_avg

        dt_output = (2 * t_half) / settings.n_output
        self.n_substeps = 1
        while dt_output / self.n_substeps >= settings.dt_max:  # TODO #334 dt_max
            self.n_substeps += 1

        builder = Builder(backend=backend, n_sd=1, formulae=settings.formulae)
        builder.set_environment(Parcel(
            dt=dt_output / self.n_substeps,
            mass_of_dry_air=settings.mass_of_dry_air,
            p0=settings.p0,
            q0=settings.q0,
            T0=settings.T0,
            w=settings.w
        ))

        builder.add_dynamic(AmbientThermodynamics())
        builder.add_dynamic(Condensation(
            kappa=settings.kappa,
            rtol_x=settings.rtol_x,
            rtol_thd=settings.rtol_thd,
            dt_cond_range=settings.dt_cond_range
        ))
        attributes = {}
        r_dry = np.array([settings.r_dry])
        attributes['dry volume'] = settings.formulae.trivia.volume(radius=r_dry)
        attributes['n'] = np.array([settings.n_in_dv], dtype=np.int64)
        environment = builder.core.environment
        r_wet = r_wet_init(r_dry, environment, kappa=settings.kappa)
        attributes['volume'] = settings.formulae.trivia.volume(radius=r_wet)
        products = [
            PySDM_products.ParticleMeanRadius(),
            PySDM_products.CondensationTimestepMin(),
            PySDM_products.ParcelDisplacement(),
            PySDM_products.RelativeHumidity(),
            PySDM_products.Time(),
            PySDM_products.ActivatingRate(),
            PySDM_products.DeactivatingRate(),
            PySDM_products.RipeningRate(),
            PySDM_products.PeakSupersaturation()
        ]

        self.core = builder.build(attributes, products)

        self.n_output = settings.n_output
Exemple #4
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    def __init__(self, setup):

        dt_output = setup.total_time / setup.n_steps  # TODO: overwritten in jupyter example
        self.n_substeps = 1  # TODO:
        while (dt_output / self.n_substeps >= setup.dt_max):
            self.n_substeps += 1
        self.bins_edges = phys.volume(setup.r_bins_edges)
        particles_builder = ParticlesBuilder(backend=setup.backend,
                                             n_sd=setup.n_sd)
        particles_builder.set_environment(
            MoistLagrangianParcelAdiabatic, {
                "dt": dt_output / self.n_substeps,
                "mass_of_dry_air": setup.mass_of_dry_air,
                "p0": setup.p0,
                "q0": setup.q0,
                "T0": setup.T0,
                "w": setup.w,
                "z0": setup.z0
            })

        environment = particles_builder.particles.environment
        r_wet = r_wet_init(setup.r_dry, environment, np.zeros_like(setup.n),
                           setup.kappa)
        particles_builder.register_dynamic(
            Condensation, {
                "kappa": setup.kappa,
                "coord": setup.coord,
                "adaptive": setup.adaptive,
                "rtol_x": setup.rtol_x,
                "rtol_thd": setup.rtol_thd,
            })
        attributes = {
            'n': setup.n,
            'dry volume': phys.volume(radius=setup.r_dry),
            'volume': phys.volume(radius=r_wet)
        }
        products = {
            ParticlesSizeSpectrum: {
                'v_bins': phys.volume(setup.r_bins_edges)
            },
            CondensationTimestep: {},
            RipeningRate: {}
        }
        self.particles = particles_builder.get_particles(attributes, products)

        self.n_steps = setup.n_steps
Exemple #5
0
    def __init__(self, setup):

        dt_output = setup.total_time / setup.n_steps  # TODO: overwritten in jupyter example
        self.n_substeps = 1  # TODO
        while (dt_output / self.n_substeps >= setup.dt_max):
            self.n_substeps += 1
        self.bins_edges = phys.volume(setup.r_bins_edges)
        particles_builder = Builder(backend=setup.backend, n_sd=setup.n_sd)
        particles_builder.set_environment(
            MoistLagrangianParcelAdiabatic(
                dt=dt_output / self.n_substeps,
                mass_of_dry_air=setup.mass_of_dry_air,
                p0=setup.p0,
                q0=setup.q0,
                T0=setup.T0,
                w=setup.w,
                z0=setup.z0))

        environment = particles_builder.core.environment
        r_wet = r_wet_init(setup.r_dry, environment, np.zeros_like(setup.n),
                           setup.kappa)
        condensation = Condensation(kappa=setup.kappa,
                                    coord=setup.coord,
                                    adaptive=setup.adaptive,
                                    rtol_x=setup.rtol_x,
                                    rtol_thd=setup.rtol_thd)
        particles_builder.add_dynamic(condensation)
        attributes = {
            'n': setup.n,
            'dry volume': phys.volume(radius=setup.r_dry),
            'volume': phys.volume(radius=r_wet)
        }
        products = [
            ParticlesWetSizeSpectrum(v_bins=phys.volume(setup.r_bins_edges)),
            CondensationTimestep(),
            RipeningRate()
        ]
        self.particles = particles_builder.build(attributes, products)

        self.n_steps = setup.n_steps
    def init_attributes(self, *,
                        spatial_discretisation,
                        kappa,
                        spectral_discretisation = None,
                        spectro_glacial_discretisation = None,
                        rtol=default_rtol
                        ):
        super().sync()
        self.notify()

        assert spectro_glacial_discretisation is None or spectral_discretisation is None

        attributes = {}
        with np.errstate(all='raise'):
            positions = spatial_discretisation.sample(self.mesh.grid, self.particulator.n_sd)
            attributes['cell id'], attributes['cell origin'], attributes['position in cell'] = \
                self.mesh.cellular_attributes(positions)
            if spectral_discretisation:
                r_dry, n_per_kg = spectral_discretisation.sample(self.particulator.n_sd)
            elif spectro_glacial_discretisation:
                r_dry, T_fz, n_per_kg = spectro_glacial_discretisation.sample(self.particulator.n_sd)
                attributes['freezing temperature'] = T_fz
            else:
                raise NotImplementedError()

            attributes['dry volume'] = self.formulae.trivia.volume(radius=r_dry)
            attributes['kappa times dry volume'] = kappa * attributes['dry volume']
            if kappa == 0:
                r_wet = r_dry
            else:
                r_wet = r_wet_init(r_dry, self, kappa_times_dry_volume=attributes['kappa times dry volume'], rtol=rtol,
                                   cell_id=attributes['cell id'])
            rhod = self['rhod'].to_ndarray()
            cell_id = attributes['cell id']
            domain_volume = np.prod(np.array(self.mesh.size))

        attributes['n'] = discretise_n(n_per_kg * rhod[cell_id] * domain_volume)
        attributes['volume'] = self.formulae.trivia.volume(radius=r_wet)

        return attributes
Exemple #7
0
    def __init__(self, setup):
        t_half = setup.z_half / setup.w_avg

        dt_output = (2 * t_half) / setup.n_output
        self.n_substeps = 1
        while dt_output / self.n_substeps >= setup.dt_max:  # TODO dt_max
            self.n_substeps += 1

        particles_builder = ParticlesBuilder(backend=setup.backend, n_sd=1)
        particles_builder.set_environment(
            MoistLagrangianParcelAdiabatic, {
                "dt": dt_output / self.n_substeps,
                "mass_of_dry_air": setup.mass_of_dry_air,
                "p0": setup.p0,
                "q0": setup.q0,
                "T0": setup.T0,
                "w": setup.w
            })

        particles_builder.register_dynamic(
            Condensation, {
                "kappa": setup.kappa,
                "rtol_x": setup.rtol_x,
                "rtol_thd": setup.rtol_thd,
            })
        attributes = {}
        r_dry = np.array([setup.r_dry])
        attributes['dry volume'] = phys.volume(radius=r_dry)
        attributes['n'] = np.array([setup.n_in_dv], dtype=np.int64)
        environment = particles_builder.particles.environment
        r_wet = r_wet_init(r_dry, environment, np.zeros_like(attributes['n']),
                           setup.kappa)
        attributes['volume'] = phys.volume(radius=r_wet)
        products = {ParticleMeanRadius: {}}

        self.particles = particles_builder.get_particles(attributes, products)

        self.n_output = setup.n_output
Exemple #8
0
    def __init__(self, setup):
        t_half = setup.z_half / setup.w_avg

        dt_output = (2 * t_half) / setup.n_output
        self.n_substeps = 1
        while dt_output / self.n_substeps >= setup.dt_max:  # TODO dt_max
            self.n_substeps += 1

        builder = Builder(backend=setup.backend, n_sd=1)
        builder.set_environment(
            MoistLagrangianParcelAdiabatic(
                dt=dt_output / self.n_substeps,
                mass_of_dry_air=setup.mass_of_dry_air,
                p0=setup.p0,
                q0=setup.q0,
                T0=setup.T0,
                w=setup.w))

        builder.add_dynamic(
            Condensation(
                kappa=setup.kappa,
                rtol_x=setup.rtol_x,
                rtol_thd=setup.rtol_thd,
            ))
        attributes = {}
        r_dry = np.array([setup.r_dry])
        attributes['dry volume'] = phys.volume(radius=r_dry)
        attributes['n'] = np.array([setup.n_in_dv], dtype=np.int64)
        environment = builder.core.environment
        r_wet = r_wet_init(r_dry, environment, np.zeros_like(attributes['n']),
                           setup.kappa)
        attributes['volume'] = phys.volume(radius=r_wet)
        products = [ParticleMeanRadius(), CondensationTimestep()]

        self.core = builder.build(attributes, products)

        self.n_output = setup.n_output