30 lines
724 B
Python
30 lines
724 B
Python
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#+
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# ARES/HADES/BORG Package -- ./scripts/misc/check_velocities.py
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# Copyright (C) 2014-2020 Guilhem Lavaux <guilhem.lavaux@iap.fr>
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# Copyright (C) 2009-2020 Jens Jasche <jens.jasche@fysik.su.se>
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#
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# Additional contributions from:
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# Guilhem Lavaux <guilhem.lavaux@iap.fr> (2023)
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#
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#+
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from read_all_h5 import *
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import pylab as plt
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g=read_all_h5('dump_velocities.h5')
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V = g.scalars.L0[0]*g.scalars.L1[0]*g.scalars.L2[0]
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q = g.scalars.k_pos_test
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H=100.
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D=1.
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a=1.
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f=g.scalars.cosmology['omega_m']**(5./9)
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vref = 2* q/((q**2).sum()) / V * g.scalars.A_k_test * f * H * a**2 * D
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vborg = g.scalars.lpt_vel[:,::].max(axis=0)
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print "vref = %r" % vref
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print "vborg = %r" % vborg
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print "ratio = %r" % (vborg/vref)
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