Georg_Brantegger/Python-DT_Slot_3
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Clean up before combining pipeline and

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reservoir code
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Georg ´Brantegger
2022-07-01 08:58:29 +02:00
parent d7585c3664
commit f774b2e52d
18 changed files with 0 additions and 8447 deletions
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37
Ausgleichsbecken/dynamic_pipeline_pressure/Ausgleichsbecken.py
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@@ -1,31 +1,5 @@
import numpy as np
def Volume_trend(influx, outflux, timestep=1, V_0=0):
'''
Returns the trend and the volume and the final volume, defined
by influx and outflux patterns. The optional parameter timestep
defines the time increment over which the fluxes are changing.
'''
net_flux = influx-outflux
delta_V = net_flux*timestep
V_trend = V_0+np.cumsum(delta_V)
V_end = V_trend[-1]
return V_end, V_trend
def Height_trend(V_trend, area=1, h_crit_low=-np.inf, h_crit_high=np.inf):
'''
Returns the trend and the height and the final height, defined
by influx and outflux patterns as well as the crosssection area.
The optional parameters h_crit_low/high indicate limits that the height
should never exceed. If this occures, TRUE is returned in the corresponding
h_crit_flag.
'''
h_trend = V_trend/area
h_crit_flag_low = np.any(h_trend <= h_crit_low)
h_crit_flag_high = np.any(h_trend >= h_crit_high)
h_end = h_trend[-1]
return h_trend, h_end, h_crit_flag_low, h_crit_flag_high
def get_h_halfstep(initial_height, influx, outflux, timestep, area):
h0 = initial_height
Q_in = influx
@@ -45,7 +19,6 @@ def FODE_function(x, h, alpha, p, rho=1000., g=9.81):
def e_RK_4(yn, h, dt, Q0, Q1, A0, A1, p0, p1):
alpha = (A1/A0-1)
h_hs = get_h_halfstep(h, Q0, Q1, dt, A0)
p_hs = get_p_halfstep(p0, p1)
Y1 = yn
@@ -55,13 +28,3 @@ def e_RK_4(yn, h, dt, Q0, Q1, A0, A1, p0, p1):
ynp1 = yn + dt/6*(FODE_function(Y1, h, alpha, p)+2*FODE_function(Y2, h_hs, alpha, p_hs)+ \
2*FODE_function(Y3, h_hs, alpha, p_hs)+ FODE_function(Y4, h, alpha, p))
## testing
# if __name__ == "__main__":
# influx = np.full([1, 100], 6)
# outflux = np.full_like(influx, 4)
# V_end, V_trend = Volume_trend(influx, outflux, timestep=0.5, V_0 = 100)
# print(V_end)
# print(V_trend)