Example #1
0
    def get_cross_section(self, reaction_id, E):
        # There is no switch statement in python :(
        if reaction_id ==  1: return self._da_np(E)              #  1. d + a -> n + p
        if reaction_id ==  2: return self._ta_nd(E)              #  2. t + a -> n + d
        if reaction_id ==  3: return self._ta_npn(E)             #  3. t + a -> 2n + p
        if reaction_id ==  4: return self._He3a_pd(E)            #  4. He3 + a -> p + d
        if reaction_id ==  5: return self._He3a_npp(E)           #  5. He3 + a -> n + 2p
        if reaction_id ==  6: return self._He4a_pt(E)            #  6. He4 + a -> p + t
        if reaction_id ==  7: return self._He4a_nHe3(E)          #  7. He4 + a -> n + He3
        if reaction_id ==  8: return self._He4a_dd(E)            #  8. He4 + a -> 2d
        if reaction_id ==  9: return self._He4a_npd(E)           #  9. He4 + a -> n + p + d
        if reaction_id == 10: return self._Li6a_npHe4(E)         # 10. Li6 + a -> n + p + He4
        if reaction_id == 11: return self._Li6a_XA3(E)           # 11. Li7 + a -> X + A3
        if reaction_id == 12: return self._Li7a_tHe4(E)          # 12. Li7 + a -> t + He4
        if reaction_id == 13: return self._Li7a_nLi6(E)          # 13. Li7 + a -> n + Li6
        if reaction_id == 14: return self._Li7a_nnpHe4(E)        # 14. Li7 + a -> 2n + p + He4
        if reaction_id == 15: return self._Be7a_He3He4(E)        # 15. Be7 + a -> He3 + He4
        if reaction_id == 16: return self._Be7a_pLi6(E)          # 16. Be7 + a -> p + Li6
        if reaction_id == 17: return self._Be7a_ppnHe4(E)        # 17. Be7 + a -> 2p + n + He4


        # If no match is found, return 0.
        print_error(
            "Reaction with reaction_id" + str(reaction_id) + "does not exist.",
            "acropolis.nucl.NuclearReactor.get_cross_section"
        )
Example #2
0
    def _parse_arguments(self, **kwargs):
        # Loop over the different parameters
        for key in kwargs.keys():
            param = kwargs[key]

            # Extract the fixed values
            if type(param) in [int, float]:
                self._sFixed[key] = float(param)
            # Extract the scan parameters
            elif isinstance(param, ScanParameter):
                self._sNp += 1

                # Save the 'is_fast' status of all parameters
                self._sFastf[key] = param.is_fast()
                # Save the relevant range of all paremeters
                self._sScanp[key] = param.get_range()
            else:
                print_error(
                    "All parameters must either be 'int', 'float' or an instance of 'ScanParameter'",
                    "BufferedScanner._parse_arguments")

        if list(self._sFastf.values()).count(True) > 1:
            print_error(
                "Using more than one 'fast' parameter is not yet supported",
                "BufferedScanner._parse_arguments")
Example #3
0
    def _parse_arguments(self, **kwargs):
        # Loop over the different parameters
        for key in kwargs.keys():
            param = kwargs[key]

            # Extract the fixed values
            if   type(param) in [int, float]:
                self._sFixed[key] = float(param)
            # Extract the scan parameters
            elif isinstance(param, ScanParameter):
                self._sNP += 1

                # Save the relevant range of all paremeters
                self._sScanp[key] = param.get_range()
                # Save the 'is_fast' status of all parameters
                self._sFastf[key] = param.is_fast()
            else:
                print_error(
                    "All parameters must either be 'int', 'float' or an instance of 'ScanParameter'",
                    "acropolis.scans.BufferedScanner._parse_arguments"
                )

        # Get the number of 'fast' parameters (Np_fast <= Np - 1)
        self._sNP_fast = list( self._sFastf.values() ).count(True)

        # ERRORS for not-yet-implemented features (TODO) ################################
        if self._sNP_fast > 1 or self._sNP != 2:
            print_error(
                "Currently only exactly 2 scan parameters with <= 1 fast parameter are supported!",
                "acropolis.scans.BufferedScanner._parse_arguments"
            )
Example #4
0
    def __init__(self, model, **kwargs):
        # Store the requested model
        # self._sModel(...) afterwards creates
        # a new instance of the requested model
        if not issubclass(model, AbstractModel):
            print_error(
                model.__name__ + " is not a subclass of AbstractModel",
                "acropolis.scans.BufferedScanner.__init__"
            )

        self._sModel = model

        #######################################################################

        # Initialize the various sets
        self._sFixed = {}      # Fixed parameter
        self._sScanp = {}      # Scan parameters...
        self._sFastf = {}      # ...w/o fast scanning

        # Initialize the number of scan parameters...
        self._sNP      = 0 # (all)
        self._sNP_fast = 0 # (only fast)

        # Parse the keyword arguments and build up the
        # sets 'self._sFixed' and 'self._sScanp'
        self._parse_arguments(**kwargs)

        #######################################################################

        # Generate the keys for the scan parameters
        self._sScanp_id = list( self._sScanp.keys() )

        # Determine the parameter for the parallelisation
        # In case there is a 'fast' parameter, this whould be
        # one of the 'non-fast' parameters
        #
        # Sort the keys in order for the fast parameters
        # to be at he beginning of the array
        list.sort( self._sScanp_id, key=lambda id: self._sFastf[id], reverse=True )
        # Choose the last parameter, which in any case is not the
        # 'fast' parameter and therefore can be calculated in parallel
        self._sId_pp = self._sScanp_id[-1]

        #######################################################################

        # Extract the dimension of parallel/sequential jobs
        self._sDp, self._sDs = 0, 0
        for id in self._sScanp_id:
            if id == self._sId_pp:
                self._sDp += len( self._sScanp[id] )
            else:
                self._sDs += len( self._sScanp[id] )
Example #5
0
    def total_kernel_x(self, E, Ep, T, X):
        if X == 0:
            return self._kernel_compton(E, Ep, T) + self._kernel_bethe_heitler(
                E, Ep, T) + self._kernel_pair_creation(E, Ep, T)
        # Photon -> Positron

        if X == 1: return 0.
        # Electron -> Positron

        if X == 2: return self._kernel_inverse_compton(E, Ep, T)
        # Positron -> Positron

        print_error(
            "Particle with identifier X =" + str(X) + "does not exist.",
            "acropolis.cascade._PositronReactionWrapper.total_kernel_x")
Example #6
0
    def __init__(self, model, **kwargs):
        # Store the requested model
        # self._sWrapper(...) creates
        # a new instance of this class
        if not issubclass(model, AbstractModel):
            print_error(str(model) + " is not a subclass of 'AbstractModel'")

        self._sModel = model

        # Define the various sets
        self._sFixed = {}  # Fixed parameter
        self._sScanp = {}  # Scan parameters...
        self._sFastf = {}  # ...that allow for fast scanning

        # Define the number of scan parameters
        self._sNp = 0

        # Parse the keyword arguments and build up the
        # sets 'self._sFixed' and 'self._sScanp'
        self._parse_arguments(**kwargs)

        #######################################################################

        # Generate the keys for the scan parameters
        self._sScanp_id = list(self._sScanp.keys())

        # Determine the parameter for the parallelisation
        # In case there is a 'fast' parameter, this whould be
        # one of the 'non-fast' parameters
        #
        # Sort the keys in order for the fast parameter
        # to be at position 0
        list.sort(self._sScanp_id,
                  key=lambda id: self._sFastf[id],
                  reverse=True)
        # Choose the last parameter, which in any case is not the
        # 'fast' parameter and therefore can be calculated in parallel
        self._sPP_id = self._sScanp_id[-1]

        # Determine the 'fast' parameter
        self._sFP_id = self._sScanp_id[0]
Example #7
0
    def _check_data(self):
        # Check if param_file.dat includes the required parameters
        req_param = ("eta" in self._sParamData)
        if not req_param:
            print_error(
                "The mandatory variable 'eta' could not be found in 'param_file.dat'",
                "acropolis.input.InputInterface::_check_data")

        # Check if abundance_file.dat has the correct dimensions
        abund_shape = (self._sAbundData.shape[0] == NY)
        if not abund_shape:
            print_error(
                "The content of 'abundance_file.dat' does not have the required shape.",
                "acropolis.input.InputInterface::_check_data")

        # Check if cosmo_file.dat has the correct number of columns
        cosmo_shape = (self._sCosmoDataShp[1] >= NC)
        if not cosmo_shape:
            print_error(
                "The content of 'cosmo_file.dat' does not have the required shape.",
                "acropolis.input.InputInterface::_check_data")