def t_u_nets_scalar(dirname):
"""Calculate the particles' overall centre-of-mass speed over time
for a model output directory.
Parameters
----------
dirname: str
A model output directory path
Returns
-------
ts: numpy.ndarray[dtype=float]
Times.
v_nets: numpy.ndarray[dtype=float]
Centre-of-mass particle speeds.
"""
return t_measures(dirname, get_time, get_u_net_scalar)
def t_u_nets_vector(dirname):
"""Calculate the particle's centre-of-mass velocity over time
for a model output directory.
Parameters
----------
dirname: str
A model output directory path
Returns
-------
ts: numpy.ndarray[dtype=float]
Times.
v_nets: numpy.ndarray[dtype=float]
Centre-of-mass particle velocities.
"""
return t_measures(dirname, get_time, get_u_net_vector)
def t_rs_abs(dirname):
"""Calculate the absolute particle displacement over time along each axis
for a model output directory.
Parameters
----------
dirname: str
A model output directory path
Returns
-------
ts: numpy.ndarray[dtype=float]
Times.
rs: numpy.ndarray[dtype=float]
Particle absolute displacements
"""
return t_measures(dirname, get_time, get_r_abs)
def t_rs_scalar(dirname):
"""Calculate the overall particle displacement over time
for a model output directory.
Parameters
----------
dirname: str
A model output directory path
Returns
-------
ts: numpy.ndarray[dtype=float]
Times.
rs: numpy.ndarray[dtype=float]
Particle displacements
"""
return t_measures(dirname, get_time, get_r_scalar)
def t_Ds_vector(dirname):
"""Calculate the particle diffusion constant over time along each axis
for a model output directory.
Parameters
----------
dirname: str
A model output directory path
Returns
-------
ts: numpy.ndarray[dtype=float]
Times.
Ds: numpy.ndarray[dtype=float]
Particle diffusion constants.
"""
return t_measures(dirname, get_time, get_D_vector)
def t_uds_abs(dirname):
"""Calculate the overall particle absolute drift speed over time
for a model output directory.
Parameters
----------
dirname: str
A model output directory path
Returns
-------
ts: numpy.ndarray[dtype=float]
Times.
uds_abs: numpy.ndarray[dtype=float]
Particle absolute drift speeds.
"""
return t_measures(dirname, get_time, get_ud_abs)
def t_uds_vector(dirname):
"""Calculate the particle drift speed over time along each axis
for a model output directory.
Parameters
----------
dirname: str
A model output directory path
Returns
-------
ts: numpy.ndarray[dtype=float]
Times.
uds: numpy.ndarray[dtype=float]
Drift speeds, normalised by the swimmer speed.
"""
return t_measures(dirname, get_time, get_ud_vector)