added "del model" (#386)

* added "del model"

* added logging shutdown to ensure that scenario can be deleted right after run

---------

Co-authored-by: Panos Athanasiou <Panos.Athanasiou@deltares.nl>

flood_adapt/object_model/hazard/hazard.py

@@ -740,6 +740,7 @@ def write_water_level_map(self):
         model = SfincsAdapter(model_root=self.simulation_paths[0], site=self.site)
         zsmax = model.read_zsmax()
         zsmax.to_netcdf(self.results_dir.joinpath("max_water_level_map.nc"))
+        del model
 
     def plot_wl_obs(self):
         """Plot water levels at SFINCS observation points as html

flood_adapt/object_model/scenario.py

@@ -1,3 +1,4 @@
+import gc
 import logging
 import os
 from pathlib import Path
@@ -151,3 +152,7 @@ def close_root_logger_handlers():
         for handler in handlers:
             handler.close()
             root_logger.removeHandler(handler)
+
+        # Use garbage collector to ensure file handles are properly cleaned up
+        gc.collect()
+        logging.shutdown()