Exemple #1
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    def testMeanColl(self):

        py_printf('UNITTEST', 'Testing HW2 mean collisions')

        num_collisions = process.computeMeanNumCollisions(self.coll_rate, \
                                                      self.num_neutrons)

        self.assertGreater(.05, abs(21.0 - num_collisions) / 21.0)
Exemple #2
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    def testMeanCollToOne(self):

        py_printf('UNITTEST', 'Testing HW2 mean collisions to 1 eV')

        num_collisions = process.computeMeanNumCollisions(self.coll_rate_1eV, \
                                                      self.num_neutrons)

        self.assertGreater(.05, abs(13.6 - num_collisions) / 13.6)
Exemple #3
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 def testMeanColl(self):
     
     py_printf('UNITTEST', 'Testing HW2 mean collisions')
 
     num_collisions = process.computeMeanNumCollisions(self.coll_rate, \
                                                   self.num_neutrons)
     
     self.assertGreater(.05, abs(21.0 - num_collisions)/21.0)
Exemple #4
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 def testMeanCollToOne(self):
     
     py_printf('UNITTEST', 'Testing HW2 mean collisions to 1 eV')
     
     num_collisions = process.computeMeanNumCollisions(self.coll_rate_1eV, \
                                                   self.num_neutrons)
                     
     self.assertGreater(.05, abs(13.6 - num_collisions)/13.6)
Exemple #5
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    reached_one_ev = False

    # Simulate neutron until it is absorbed in H-1
    while(neutron._alive):

        h1_material.collideNeutron(neutron)
        flux.tally(neutron)
        times.tally(neutron)
        coll_rate.tally(neutron)

        if neutron._energy < 1.0:
            reached_one_ev = True

        if not reached_one_ev:
            coll_rate_1eV.tally(neutron)


py_printf('INFO', 'Plotting the flux...')
plotter.plotFlux(flux, title='H-1 Flux', filename='h-1-flux')
num_collisions = process.computeMeanNumCollisions(coll_rate_1eV, num_neutrons)

py_printf('RESULT', 'Mean # of collisions to 1 eV: %f', num_collisions)
num_collisions = process.computeMeanNumCollisions(coll_rate, num_neutrons)

py_printf('RESULT', 'Mean # of collisions to death: %f', num_collisions)
mean_lifetime = process.computeMeanNeutronLifetime(times, num_neutrons)
py_printf('RESULT', 'Avg neutron lifetime: %1.2E seconds', mean_lifetime)


py_printf('TITLE', 'Finished')
Exemple #6
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    neutron._energy = fissioner.emitNeutroneV()
    neutron._alive = True
    reached_one_ev = False

    # Simulate neutron until it is absorbed in H-1
    while (neutron._alive):

        h1_material.collideNeutron(neutron)
        flux.tally(neutron)
        times.tally(neutron)
        coll_rate.tally(neutron)

        if neutron._energy < 1.0:
            reached_one_ev = True

        if not reached_one_ev:
            coll_rate_1eV.tally(neutron)

py_printf('INFO', 'Plotting the flux...')
plotter.plotFlux(flux, title='H-1 Flux', filename='h-1-flux')
num_collisions = process.computeMeanNumCollisions(coll_rate_1eV, num_neutrons)

py_printf('RESULT', 'Mean # of collisions to 1 eV: %f', num_collisions)
num_collisions = process.computeMeanNumCollisions(coll_rate, num_neutrons)

py_printf('RESULT', 'Mean # of collisions to death: %f', num_collisions)
mean_lifetime = process.computeMeanNeutronLifetime(times, num_neutrons)
py_printf('RESULT', 'Avg neutron lifetime: %1.2E seconds', mean_lifetime)

py_printf('TITLE', 'Finished')