Exemplo n.º 1
0
    def slowtest4(self):
        print "Testing FallbackStellarEvolution: evolve same 3 stars at the same time"

        instance = FallbackStellarEvolution()
        instance._main_se.parameters.max_age_stop_condition = 3. | units.Myr

        stars = Particles(3, mass=[40., 40., 40.] | units.MSun)
        stars = instance.particles.add_particles(stars)
        instance.commit_particles()

        while instance.model_time <= 3. | units.Myr:
            instance.evolve_model()

        for star in stars:
            self.assertEqual(instance.ActiveModel[star].__class__.__name__,
                             "SSE")

        age1 = instance._FBTimeseries[stars[0]].particles[0].SSEAgeAtSwitch
        age2 = instance._FBTimeseries[stars[1]].particles[0].SSEAgeAtSwitch
        age3 = instance._FBTimeseries[stars[2]].particles[0].SSEAgeAtSwitch

        self.assertEqual(age1, age2)
        self.assertEqual(age2, age3)

        instance.stop()
Exemplo n.º 2
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    def test6(self):
        print "Testing FallbackStellarEvolution: enforce monotonic mass evolution"

        instance = FallbackStellarEvolution(
            enforce_monotonic_mass_evolution=True)
        instance._main_se.parameters.max_age_stop_condition = 3. | units.Myr

        stars = Particles(1, mass=[40.] | units.MSun)
        stars = instance.particles.add_particles(stars)
        instance.commit_particles()

        while instance.ActiveModel[stars[0]].__class__.__name__ == "EVtwin":
            emass = stars[0].mass
            instance.evolve_model()

        self.assertTrue(stars[0].mass <= emass)

        instance.stop()
Exemplo n.º 3
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    def slowtest5(self):
        print "Testing FallbackStellarEvolution: evolve with end time"

        instance = FallbackStellarEvolution()
        instance._main_se.parameters.max_age_stop_condition = 0.1 | units.Myr

        stars = Particles(3, mass=[10., 20., 30.] | units.MSun)
        stars = instance.particles.add_particles(stars)
        instance.commit_particles()

        instance.evolve_model(.101 | units.Myr)

        for star in stars:
            self.assertEqual(instance.ActiveModel[star].__class__.__name__,
                             "SSE")

        self.assertTrue(.101 | units.Myr < instance.model_time)

        instance.stop()
    def test6(self):
        print "Testing FallbackStellarEvolution: enforce monotonic mass evolution"

        instance = FallbackStellarEvolution(enforce_monotonic_mass_evolution=True)
        instance._main_se.parameters.max_age_stop_condition=3.| units.Myr

        stars = Particles(1,mass=[40.] | units.MSun)
        stars = instance.particles.add_particles(stars)
        instance.commit_particles()

        while instance.ActiveModel[stars[0]].__class__.__name__=="EVtwin":
          emass=stars[0].mass
          instance.evolve_model()

        self.assertTrue(stars[0].mass<=emass)

        instance.stop()
    def slowtest5(self):
        print "Testing FallbackStellarEvolution: evolve with end time"

        instance = FallbackStellarEvolution()
        instance._main_se.parameters.max_age_stop_condition=0.1| units.Myr

        stars = Particles(3,mass=[10.,20.,30.] | units.MSun)
        stars = instance.particles.add_particles(stars)
        instance.commit_particles()

        instance.evolve_model(.101 | units.Myr)

        for star in stars:
          self.assertEqual(instance.ActiveModel[star].__class__.__name__,"SSE")

        self.assertTrue(.101| units.Myr<instance.model_time)

        instance.stop()
    def slowtest7(self):
        print "Testing FallbackStellarEvolution: test mesa"

        instance = FallbackStellarEvolution(MESA)
        instance._main_se.parameters.max_age_stop_condition=3.| units.Myr

        stars = Particles(3,mass=[40.,40.,40.] | units.MSun)
        stars = instance.particles.add_particles(stars)
        instance.commit_particles()

        instance.evolve_model(3.01 | units.Myr)

        for star in stars:
          self.assertEqual(instance.ActiveModel[star].__class__.__name__,"SSE")

        age1=instance._FBTimeseries[stars[0]].particles[0].SSEAgeAtSwitch
        age2=instance._FBTimeseries[stars[1]].particles[0].SSEAgeAtSwitch
        age3=instance._FBTimeseries[stars[2]].particles[0].SSEAgeAtSwitch

        self.assertEqual(age1,age2)
        self.assertEqual(age2,age3)

        instance.stop()
Exemplo n.º 7
0
    def slowtest3(self):
        print "Testing FallbackStellarEvolution: evolve 3 stars at the same time"

        # results of original code  (not really check the numbers, tests have been relaxed because
        # different timestepping of evolve_model and evolve_one_step)
        results = dict()
        results["10.0 MSun"] = dict(sse_age=3644655.52487 | units.yr,
                                    sse_mass=9.99289747724 | units.MSun,
                                    sse_rad=4.35949272485 | units.RSun,
                                    sse_L=6180.22077675 | units.LSun,
                                    evtwin_age=2999999.99732 | units.yr,
                                    evtwin_mass=9.99832250931 | units.MSun,
                                    evtwin_rad=4.1727904434 | units.RSun,
                                    evtwin_L=6175.5214329 | units.LSun)
        results["20.0 MSun"] = dict(sse_age=2609167.84395 | units.yr,
                                    sse_mass=19.8895071502 | units.MSun,
                                    sse_rad=7.30432858615 | units.RSun,
                                    sse_L=51232.436257 | units.LSun,
                                    evtwin_age=2999999.99792 | units.yr,
                                    evtwin_mass=19.877338008 | units.MSun,
                                    evtwin_rad=6.77369109826 | units.RSun,
                                    evtwin_L=54123.7589452 | units.LSun)
        results["40.0 MSun"] = dict(
            sse_age=2869735.64001
            | units.yr,  # for some reason this is not 2617093.59096
            sse_mass=37.9172423183 | units.MSun,
            sse_rad=15.1388511451 | units.RSun,
            sse_L=322674.980598 | units.LSun,
            evtwin_age=2999999.99923 | units.yr,
            evtwin_mass=37.0862227121 | units.MSun,
            evtwin_rad=13.5982316053 | units.RSun,
            evtwin_L=320099.608846 | units.LSun)

        instance = FallbackStellarEvolution()
        instance._main_se.parameters.max_age_stop_condition = 3. | units.Myr

        stars = Particles(3, mass=[10., 20., 40.] | units.MSun)
        stars = instance.particles.add_particles(stars)
        stars.initial_mass = stars.mass
        instance.commit_particles()

        while instance.model_time < .05 | units.Myr:
            instance.evolve_model()

        for star in stars:
            self.assertEqual(instance.ActiveModel[star].__class__.__name__,
                             "EVtwin")

        while instance.model_time <= 3. | units.Myr:
            instance.evolve_model()

        for star in stars:
            self.assertEqual(instance.ActiveModel[star].__class__.__name__,
                             "SSE")

        for star in stars:
            m = star.initial_mass
            self.assertAlmostRelativeEqual(
                results[str(m)]["sse_age"],
                instance._FBTimeseries[star].particles[0].SSEAgeAtSwitch, 3)

            evstar = star.as_particle_in_set(instance._main_se.particles)

            self.assertAlmostRelativeEqual(results[str(m)]["evtwin_age"],
                                           evstar.age, 7)
            self.assertAlmostRelativeEqual(results[str(m)]["evtwin_mass"],
                                           evstar.mass, 2)
            self.assertAlmostRelativeEqual(results[str(m)]["evtwin_rad"],
                                           evstar.radius, 2)
            self.assertAlmostRelativeEqual(results[str(m)]["evtwin_L"],
                                           evstar.luminosity, 2)

        instance.stop()
Exemplo n.º 8
0
    def xtest2(self):
        print "Testing FallbackStellarEvolution: evolve tests"

        # results of original code  (not really check the numbers, tests have been relaxed because
        # different timestepping of evolve_model and evolve_one_step)
        results = dict()
        results["10.0 MSun"] = dict(sse_age=3644655.52487 | units.yr,
                                    sse_mass=9.99289747724 | units.MSun,
                                    sse_rad=4.24764389443 | units.RSun,
                                    sse_L=5993.72678228 | units.LSun,
                                    evtwin_age=2999999.99732 | units.yr,
                                    evtwin_mass=9.99832250931 | units.MSun,
                                    evtwin_rad=4.1727904434 | units.RSun,
                                    evtwin_L=6175.5214329 | units.LSun)
        results["20.0 MSun"] = dict(sse_age=2609167.84395 | units.yr,
                                    sse_mass=19.8895071502 | units.MSun,
                                    sse_rad=7.07713598137 | units.RSun,
                                    sse_L=51232.436257 | units.LSun,
                                    evtwin_age=2999999.99792 | units.yr,
                                    evtwin_mass=19.877338008 | units.MSun,
                                    evtwin_rad=6.77369109826 | units.RSun,
                                    evtwin_L=54123.7589452 | units.LSun)
        results["40.0 MSun"] = dict(sse_age=2627093.59096 | units.yr,
                                    sse_mass=38.3702723816 | units.MSun,
                                    sse_rad=13.6137662257 | units.RSun,
                                    sse_L=303498.877464 | units.LSun,
                                    evtwin_age=2999999.99923 | units.yr,
                                    evtwin_mass=37.0862227121 | units.MSun,
                                    evtwin_rad=13.5982316053 | units.RSun,
                                    evtwin_L=320099.608846 | units.LSun)

        for m in [40.] | units.MSun:  #,20.,10.] | units.MSun:
            instance = FallbackStellarEvolution()
            instance._main_se.parameters.max_age_stop_condition = 3. | units.Myr

            star = Particle(1)
            star.mass = m
            star = instance.particles.add_particle(star)
            instance.commit_particles()

            while instance.ActiveModel[star].__class__.__name__ == "EVtwin":
                instance.evolve_model()

            print "%s\t%s\t%s\t%s\t%s\t%s" % (
                star.age, star.mass, star.radius, star.luminosity,
                star.stellar_type,
                instance.ActiveModel[star].__class__.__name__)

            self.assertAlmostRelativeEqual(
                results[str(m)]["sse_age"],
                instance._FBTimeseries[star].particles[0].SSEAgeAtSwitch, 7)
            self.assertAlmostRelativeEqual(results[str(m)]["sse_mass"],
                                           star.mass, 7)
            self.assertAlmostRelativeEqual(results[str(m)]["sse_rad"],
                                           star.radius, 7)
            self.assertAlmostRelativeEqual(results[str(m)]["sse_L"],
                                           star.luminosity, 7)

            star = instance._main_se.particles[0]

            self.assertAlmostRelativeEqual(results[str(m)]["evtwin_age"],
                                           star.age, 7)
            self.assertAlmostRelativeEqual(results[str(m)]["evtwin_mass"],
                                           star.mass, 2)
            self.assertAlmostRelativeEqual(results[str(m)]["evtwin_rad"],
                                           star.radius, 2)
            self.assertAlmostRelativeEqual(results[str(m)]["evtwin_L"],
                                           star.luminosity, 2)

            print "%s\t%s\t%s\t%s\t%s" % (star.age, star.mass, star.radius,
                                          star.luminosity, star.stellar_type)

            instance.stop()
Exemplo n.º 9
0
 def test1(self):
     print "Testing FallbackStellarEvolution"
     instance = FallbackStellarEvolution()
     instance.stop()
Exemplo n.º 10
0
    def slowtest3(self):
        print "Testing FallbackStellarEvolution: evolve 3 stars at the same time"


# results of original code  (not really check the numbers, tests have been relaxed because
# different timestepping of evolve_model and evolve_one_step)
        results=dict()
        results["10.0 MSun"]=dict(sse_age=3644655.52487 | units.yr,
                                      sse_mass=9.99289747724 | units.MSun,
                                      sse_rad=4.35949272485 | units.RSun,
                                      sse_L=6180.22077675| units.LSun,
                                      evtwin_age=2999999.99732 | units.yr,
                                      evtwin_mass=9.99832250931 | units.MSun,
                                      evtwin_rad=4.1727904434 | units.RSun,
                                      evtwin_L=6175.5214329 | units.LSun)
        results["20.0 MSun"]=dict(sse_age= 2609167.84395| units.yr,
                                      sse_mass= 19.8895071502| units.MSun,
                                      sse_rad=7.30432858615| units.RSun,
                                      sse_L=51232.436257| units.LSun,
                                      evtwin_age= 2999999.99792| units.yr,
                                      evtwin_mass=19.877338008| units.MSun,
                                      evtwin_rad=6.77369109826| units.RSun,
                                      evtwin_L= 54123.7589452| units.LSun)
        results["40.0 MSun"]=dict(sse_age= 2869735.64001| units.yr, # for some reason this is not 2617093.59096
                                      sse_mass=37.9172423183| units.MSun,
                                      sse_rad=15.1388511451| units.RSun,
                                      sse_L=322674.980598| units.LSun,
                                      evtwin_age= 2999999.99923| units.yr,
                                      evtwin_mass=37.0862227121 | units.MSun,
                                      evtwin_rad= 13.5982316053| units.RSun,
                                      evtwin_L=320099.608846| units.LSun)


        instance = FallbackStellarEvolution()
        instance._main_se.parameters.max_age_stop_condition=3.| units.Myr

        stars = Particles(3,mass=[10.,20.,40.] | units.MSun)
        stars = instance.particles.add_particles(stars)
        stars.initial_mass=stars.mass
        instance.commit_particles()

        while instance.model_time<.05| units.Myr:
              instance.evolve_model()

        for star in stars:
          self.assertEqual(instance.ActiveModel[star].__class__.__name__,"EVtwin")

        while instance.model_time<=3.| units.Myr:
              instance.evolve_model()

        for star in stars:
          self.assertEqual(instance.ActiveModel[star].__class__.__name__,"SSE")

        for star in stars:
          m=star.initial_mass
          self.assertAlmostRelativeEqual(results[str(m)]["sse_age"],instance._FBTimeseries[star].particles[0].SSEAgeAtSwitch,3)

          evstar=star.as_particle_in_set(instance._main_se.particles)

          self.assertAlmostRelativeEqual(results[str(m)]["evtwin_age"],evstar.age,7)
          self.assertAlmostRelativeEqual(results[str(m)]["evtwin_mass"],evstar.mass,2)
          self.assertAlmostRelativeEqual(results[str(m)]["evtwin_rad"],evstar.radius,2)
          self.assertAlmostRelativeEqual(results[str(m)]["evtwin_L"],evstar.luminosity,2)


        instance.stop()
Exemplo n.º 11
0
    def xtest2(self):
        print "Testing FallbackStellarEvolution: evolve tests"


# results of original code  (not really check the numbers, tests have been relaxed because
# different timestepping of evolve_model and evolve_one_step)
        results=dict()
        results["10.0 MSun"]=dict(sse_age=3644655.52487 | units.yr,
                                      sse_mass=9.99289747724 | units.MSun,
                                      sse_rad=4.24764389443 | units.RSun,
                                      sse_L=5993.72678228 | units.LSun,
                                      evtwin_age=2999999.99732 | units.yr,
                                      evtwin_mass=9.99832250931 | units.MSun,
                                      evtwin_rad=4.1727904434 | units.RSun,
                                      evtwin_L=6175.5214329 | units.LSun)
        results["20.0 MSun"]=dict(sse_age= 2609167.84395| units.yr,
                                      sse_mass= 19.8895071502| units.MSun,
                                      sse_rad=7.07713598137| units.RSun,
                                      sse_L=51232.436257| units.LSun,
                                      evtwin_age= 2999999.99792| units.yr,
                                      evtwin_mass=19.877338008| units.MSun,
                                      evtwin_rad=6.77369109826| units.RSun,
                                      evtwin_L= 54123.7589452| units.LSun)
        results["40.0 MSun"]=dict(sse_age= 2627093.59096| units.yr,
                                      sse_mass=38.3702723816| units.MSun,
                                      sse_rad=13.6137662257 | units.RSun,
                                      sse_L=303498.877464 | units.LSun,
                                      evtwin_age= 2999999.99923| units.yr,
                                      evtwin_mass=37.0862227121 | units.MSun,
                                      evtwin_rad= 13.5982316053| units.RSun,
                                      evtwin_L=320099.608846| units.LSun)


        for m in [40.]| units.MSun:#,20.,10.] | units.MSun:
          instance = FallbackStellarEvolution()
          instance._main_se.parameters.max_age_stop_condition=3.| units.Myr

          star = Particle(1)
          star.mass = m
          star = instance.particles.add_particle(star)
          instance.commit_particles()

          while instance.ActiveModel[star].__class__.__name__=="EVtwin":
              instance.evolve_model()

          print "%s\t%s\t%s\t%s\t%s\t%s" % (star.age, star.mass, star.radius,
           star.luminosity, star.stellar_type, instance.ActiveModel[star].__class__.__name__)

          self.assertAlmostRelativeEqual(results[str(m)]["sse_age"],instance._FBTimeseries[star].particles[0].SSEAgeAtSwitch,7)
          self.assertAlmostRelativeEqual(results[str(m)]["sse_mass"],star.mass,7)
          self.assertAlmostRelativeEqual(results[str(m)]["sse_rad"],star.radius,7)
          self.assertAlmostRelativeEqual(results[str(m)]["sse_L"],star.luminosity,7)


          star=instance._main_se.particles[0]

          self.assertAlmostRelativeEqual(results[str(m)]["evtwin_age"],star.age,7)
          self.assertAlmostRelativeEqual(results[str(m)]["evtwin_mass"],star.mass,2)
          self.assertAlmostRelativeEqual(results[str(m)]["evtwin_rad"],star.radius,2)
          self.assertAlmostRelativeEqual(results[str(m)]["evtwin_L"],star.luminosity,2)

          print "%s\t%s\t%s\t%s\t%s" % (star.age, star.mass, star.radius,
           star.luminosity, star.stellar_type)

          instance.stop()
Exemplo n.º 12
0
 def test1(self):
     print "Testing FallbackStellarEvolution"
     instance = FallbackStellarEvolution()
     instance.stop()