Georg_Brantegger/Python-DT_Slot_3
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

added set steady state functionality

Browse Source
This commit is contained in:
Georg ´Brantegger
2022-07-21 15:27:15 +02:00
parent d966904606
commit 2331c7cc5b
3 changed files with 32 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
Druckrohrleitung/Druckrohrleitung_class_file.py
View File

@@ -41,7 +41,7 @@ class Druckrohrleitung_class:
self.n_seg = number_segments
self.angle = pipeline_angle
self.f_D = Darcy_friction_factor # = Rohrreibungszahl oder flow coefficient
self.density = 1000
self.rho = rho
self.g = g
self.dx = total_length/number_segments
@@ -89,8 +89,8 @@ class Druckrohrleitung_class:
self.v_old = self.v0.copy()
self.v = np.empty_like(self.v_old)
def set_boundary_conditions_next_timestep(self,v_reservoir,p_reservoir,v_turbine,input_unit_pressure = 'Pa'):
rho = self.density
def set_boundary_conditions_next_timestep(self,v_reservoir,p_reservoir,v_turbine):
rho = self.rho
c = self.c
f_D = self.f_D
dt = self.dt
@@ -108,6 +108,14 @@ class Druckrohrleitung_class:
self.p[0] = self.p_boundary_res.copy()
self.p[-1] = self.p_boundary_tur.copy()
def set_steady_state(self,ss_flux,ss_level_reservoir,pl_vec,h_vec,pressure_unit,display_pressure_unit):
ss_v0 = np.full(self.n_seg+1,ss_flux/(self.dia**2/4*np.pi))
ss_pressure = (self.rho*self.g*(ss_level_reservoir+h_vec)-ss_v0**2*self.rho/2)-(self.f_D*pl_vec/self.dia*self.rho/2*ss_v0**2)
self.set_initial_flow_velocity(ss_v0)
self.set_initial_pressure(ss_pressure,pressure_unit,display_pressure_unit)
# getter
def get_info(self):
new_line = '\n'
@@ -150,7 +158,7 @@ class Druckrohrleitung_class:
def timestep_characteristic_method(self):
#number of nodes
nn = self.n_seg+1
rho = self.density
rho = self.rho
c = self.c
f_D = self.f_D
dt = self.dt