def test_evaporation_no_wind():
evap = Evaporation(Water(), wind=constant_wind(0., 0))
(sc, time_step) = weathering_data_arrays(evap.array_types, evap.water)[:2]
model_time = (sc.spills[0].release_time + timedelta(seconds=time_step))
evap.prepare_for_model_run(sc)
evap.prepare_for_model_step(sc, time_step, model_time)
evap.weather_elements(sc, time_step, model_time)
for spill in sc.spills:
mask = sc.get_spill_mask(spill)
assert np.all(sc['evap_decay_constant'][mask, :] < 0.0)
def test_evaporation_no_wind():
evap = Evaporation(Water(), wind=constant_wind(0., 0))
(sc, time_step) = weathering_data_arrays(evap.array_types, evap.water)[:2]
model_time = (sc.spills[0].get('release_time') +
timedelta(seconds=time_step))
evap.prepare_for_model_run(sc)
evap.prepare_for_model_step(sc, time_step, model_time)
evap.weather_elements(sc, time_step, model_time)
for spill in sc.spills:
mask = sc.get_spill_mask(spill)
assert np.all(sc['evap_decay_constant'][mask, :] < 0.0)
def test_evaporation(oil, temp, num_elems, on):
'''
still working on tests ..
'''
et = floating(substance=oil)
time_step = 15. * 60
evap = Evaporation(Water(), wind=constant_wind(1., 0))
evap.on = on
sc = weathering_data_arrays(evap.array_types, evap.water, time_step, et)[0]
model_time = (sc.spills[0].get('release_time') +
timedelta(seconds=time_step))
evap.prepare_for_model_run(sc)
evap.prepare_for_model_step(sc, time_step, model_time)
init_mass = sc['mass_components'].copy()
evap.weather_elements(sc, time_step, model_time)
if on:
assert np.all(sc['frac_lost'] > 0) and np.all(sc['frac_lost'] < 1.0)
# all elements experience the same evaporation
assert np.all(sc['frac_lost'][0] == sc['frac_lost'])
for spill in sc.spills:
mask = sc.get_spill_mask(spill)
if on:
assert np.all(sc['evap_decay_constant'][mask, :] < 0.0)
else:
assert np.all(sc['evap_decay_constant'][mask, :] == 0.0)
print '\nevap_decay_const', sc['evap_decay_constant']
print 'frac_lost', sc['frac_lost']
if on:
assert sc.mass_balance['evaporated'] > 0.0
print 'total evaporated', sc.mass_balance['evaporated']
else:
assert 'evaporated' not in sc.mass_balance
assert np.all(sc['mass_components'] == init_mass)
def test_evaporation(oil, temp, num_elems, on):
'''
still working on tests ..
'''
et = floating(substance=oil)
time_step = 15. * 60
evap = Evaporation(Water(), wind=constant_wind(1., 0))
evap.on = on
sc = weathering_data_arrays(evap.array_types, evap.water, time_step, et)[0]
model_time = (sc.spills[0].release_time +
timedelta(seconds=time_step))
evap.prepare_for_model_run(sc)
evap.prepare_for_model_step(sc, time_step, model_time)
init_mass = sc['mass_components'].copy()
evap.weather_elements(sc, time_step, model_time)
if on:
assert np.all(sc['frac_lost'] > 0) and np.all(sc['frac_lost'] < 1.0)
# all elements experience the same evaporation
assert np.all(sc['frac_lost'][0] == sc['frac_lost'])
for spill in sc.spills:
mask = sc.get_spill_mask(spill)
if on:
assert np.all(sc['evap_decay_constant'][mask, :] < 0.0)
else:
assert np.all(sc['evap_decay_constant'][mask, :] == 0.0)
print '\nevap_decay_const', sc['evap_decay_constant']
print 'frac_lost', sc['frac_lost']
if on:
assert sc.mass_balance['evaporated'] > 0.0
print 'total evaporated', sc.mass_balance['evaporated']
else:
assert 'evaporated' not in sc.mass_balance
assert np.all(sc['mass_components'] == init_mass)
