199 lines
6.1 KiB
Plaintext
199 lines
6.1 KiB
Plaintext
{
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"cells": [
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{
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"cell_type": "code",
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"execution_count": 7,
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"metadata": {},
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"outputs": [],
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"source": [
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"import numpy as np\n",
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"from Ausgleichsbecken_class_file import Ausgleichsbecken_class\n",
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"import matplotlib.pyplot as plt\n",
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"\n",
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"#importing pressure conversion function\n",
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"import sys\n",
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"import os\n",
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"current = os.path.dirname(os.path.realpath('Main_Programm.ipynb'))\n",
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"parent = os.path.dirname(current)\n",
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"sys.path.append(parent)\n",
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"from functions.pressure_conversion import pressure_conversion"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 8,
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"metadata": {},
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"outputs": [],
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"source": [
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"L = 1000.\n",
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"n = 10000 # number of pipe segments in discretization\n",
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"c = 400. \n",
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"dx = L/n # length of each pipe segment\n",
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"dt = dx/c \n",
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"\n",
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"# define constants\n",
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"initial_level = 10.1 # m\n",
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"initial_influx = 0.8 # m³/s\n",
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"conversion_pressure_unit = 'mWS'\n",
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"\n",
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"area_base = 75. # m²\n",
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"area_outflux = (0.9/2)**2*np.pi # m²\n",
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"critical_level_low = 0. # m\n",
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"critical_level_high = 10. # m\n",
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"simulation_timestep = dt # s\n",
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"\n",
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"# for while loop\n",
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"total_min_level = 0.01 # m\n",
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"total_max_time = 1000 # s\n",
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"\n",
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"nt = int(total_max_time//simulation_timestep)"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 9,
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"metadata": {},
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"outputs": [],
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"source": [
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"# # define constants\n",
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"# initial_level = 10.1 # m\n",
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"# initial_influx = 5. # m³/s\n",
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"# # initial_outflux = 1. # m³/s\n",
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"# # initial_pipeline_pressure = 10.\n",
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"# # initial_pressure_unit = 'mWS'\n",
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"# conversion_pressure_unit = 'mWS'\n",
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"\n",
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"# area_base = 1. # m²\n",
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"# area_outflux = 0.5 # m²\n",
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"# critical_level_low = 0. # m\n",
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"# critical_level_high = 10. # m\n",
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"# simulation_timestep = 0.0005 # s\n",
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"\n",
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"# # for while loop\n",
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"# total_min_level = 0.01 # m\n",
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"# total_max_time = 1000 # s\n",
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"\n",
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"# nt = int(total_max_time//simulation_timestep)"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 10,
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"metadata": {},
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"outputs": [],
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"source": [
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"%matplotlib qt\n",
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"\n",
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"V = Ausgleichsbecken_class(area_base, area_outflux, critical_level_low, critical_level_high,simulation_timestep)\n",
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"# V.set_initial_level(initial_level) \n",
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"# V.set_influx(initial_influx)\n",
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"# V.set_outflux(initial_outflux)\n",
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"# V.set_initial_pressure(pressure_conversion(initial_pipeline_pressure,input_unit = initial_pressure_unit, target_unit = 'Pa'),conversion_pressure_unit)\n",
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"# V.pressure = converted_pressure\n",
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"V.set_steady_state(initial_influx,initial_level,conversion_pressure_unit)\n",
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"\n",
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"time_vec = np.arange(0,nt+1,1)*simulation_timestep\n",
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"outflux_vec = np.zeros_like(time_vec)\n",
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"outflux_vec[0] = V.get_current_outflux()\n",
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"level_vec = np.zeros_like(time_vec)\n",
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"level_vec[0] = V.get_current_level()\n",
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"pressure_vec = np.zeros_like(time_vec)\n",
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"pressure_vec[0] = V.get_current_pressure()\n",
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"\n",
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"# pressure_vec = np.full_like(time_vec,converted_pressure)*((np.sin(time_vec)+1)*np.exp(-time_vec/50))\n",
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" \n",
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"i_max = -1\n",
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"\n",
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"for i in range(1,nt+1):\n",
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" V.set_pressure(pressure_vec[i-1])\n",
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" V.set_outflux(outflux_vec[i-1])\n",
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" V.timestep_reservoir_evolution()\n",
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" outflux_vec[i] = V.get_current_outflux()\n",
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" level_vec[i] = V.get_current_level()\n",
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" pressure_vec[i] = V.get_current_pressure()\n",
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" if V.level < total_min_level:\n",
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" i_max = i\n",
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" break\n",
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"\n"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 11,
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"metadata": {},
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"outputs": [],
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"source": [
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"\n",
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"fig1, (ax1, ax2, ax3) = plt.subplots(3, 1)\n",
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"fig1.set_figheight(10)\n",
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"fig1.suptitle('Ausgleichsbecken')\n",
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"\n",
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"ax1.plot(time_vec[:i_max],level_vec[:i_max], label='Water level')\n",
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"ax1.set_ylabel(r'$h$ ['+V.level_unit+']')\n",
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"ax1.set_xlabel(r'$t$ ['+V.time_unit+']')\n",
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"ax1.legend()\n",
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"\n",
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"ax2.plot(time_vec[:i_max],outflux_vec[:i_max], label='Outflux')\n",
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"ax2.set_ylabel(r'$Q_{out}$ ['+V.flux_unit+']')\n",
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"ax2.set_xlabel(r'$t$ ['+V.time_unit+']')\n",
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"ax2.legend()\n",
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"\n",
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"ax3.plot(time_vec[:i_max],pressure_conversion(pressure_vec[:i_max],'Pa',conversion_pressure_unit), label='Pipeline pressure at reservoir')\n",
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"ax3.set_ylabel(r'$p_{pipeline}$ ['+conversion_pressure_unit+']')\n",
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"ax3.set_xlabel(r'$t$ ['+V.time_unit+']')\n",
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"ax3.legend()\n",
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"\n",
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"\n",
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"fig1.tight_layout() "
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]
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},
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{
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"cell_type": "code",
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"execution_count": 12,
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"metadata": {},
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"outputs": [
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{
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"data": {
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"text/plain": [
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"19.987523898552976"
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]
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},
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"execution_count": 12,
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"metadata": {},
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"output_type": "execute_result"
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}
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],
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"source": [
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"V.get_current_level()"
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]
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}
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],
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"metadata": {
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"kernelspec": {
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"display_name": "Python 3.8.13 ('Georg_DT_Slot3')",
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"language": "python",
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"name": "python3"
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},
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"language_info": {
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"codemirror_mode": {
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"name": "ipython",
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"version": 3
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"file_extension": ".py",
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"mimetype": "text/x-python",
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"name": "python",
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"nbconvert_exporter": "python",
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"pygments_lexer": "ipython3",
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