Upload of MIKE SHE Hot Start Run Script

SimulationExecution/MSHE_HotStart.py

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+'''
+Script to initiate a MIKESHE WM simulation using unsat zone water content from a previous run as a hot start condition.
+'''
+
+print('Importing Required Libraries...')
+# Import MIKESHE
+import importlib.util
+spec = importlib.util.spec_from_file_location('MShePy311', r'C:\Program Files (x86)\DHI\MIKE Zero\2025\bin\x64\MShePy311.pyd')
+MShePy = importlib.util.module_from_spec(spec)
+
+# Import other required libraries including MIKEIO
+import mikeio
+import numpy as np
+
+# Load DFS3 Result File of Unsat Zone and get Water Content Array
+print('Importing Water Content Data From Previous Model Run...')
+uz_data = mikeio.read(r'D:\Projects\MIKESHE_Hotstart\TestModel\TestModel_3DUZ.dfs3')
+wc_arr = uz_data['water content in unsaturated zone']
+wc_arr_finalts = wc_arr[-1,:,:,:].values # Access array of 3D water content values at final timestep
+#Transpose Z dimensions from first dim of array to last to align with MShePy dataset structure
+wc_arr_finalts = np.transpose(wc_arr_finalts, (1, 2, 0))
+
+# Initiate MIKE SHE Model
+print('Initializing MIKESHE Model...')
+model = r'D:\Projects\MIKESHE_Hotstart\TestModel\TestModel.she'
+MShePy.wm.initialize(model)
+MShePy
+
+simperiod = MShePy.wm.simPeriod()
+start_time = simperiod[0]
+end_time = simperiod[-1]
+assign_timesteps = 10 # Number of timesteps to execute water content overwrite
+
+for ts in range(assign_timesteps):
+    print(ts)
+    (t0, t1, wc) = MShePy.wm.getValues(MShePy.paramTypes.UZ_WC)
+    wc[:] = wc_arr_finalts.tolist()
+    MShePy.wm.setValues(wc)
+    MShePy.wm.performTimeStep()
+
+MShePy.wm.runToTime(end_time)
+MShePy.wm.terminate(True)