Arabas et al. 2023 immersion freezing example updates to match paper revision

.github/workflows/tests+artifacts+pypi.yml

@@ -175,7 +175,7 @@ jobs:
     needs: [nojit_and_codecov]
     strategy:
       matrix:
-        platform: [ubuntu-22.04, macos-12, windows-latest]
+        platform: [ubuntu-24.04, macos-12, windows-latest]
         python-version: ["3.9", "3.11"]
     runs-on: ${{ matrix.platform }}
     steps:
@@ -211,7 +211,7 @@ jobs:
     needs: [examples-setup]
     strategy:
       matrix:
-        platform: [ubuntu-22.04, macos-12, windows-latest]
+        platform: [ubuntu-24.04, macos-12, windows-latest]
         python-version: ["3.9", "3.11"]
         test-suite: [ "chemistry_freezing_isotopes", "condensation_a", "condensation_b", "coagulation", "breakup", "multi-process_a", "multi-process_b"]
       fail-fast: false
@@ -245,13 +245,16 @@ jobs:
       - if: startsWith(matrix.platform, 'ubuntu-')
         run: |
           sudo apt-get update
-          sudo apt-get install python3-paraview
+          apt-cache policy python3-paraview
+          sudo apt-get install python3-paraview=5.11.2+dfsg-6build5
       - if: startsWith(matrix.platform, 'macos-')
         run: |
           brew install --cask paraview
           echo `dirname /Applications/ParaView-*.app/Contents/bin/pvpython | head -1` >> $GITHUB_PATH
       - if: matrix.platform != 'windows-latest'
-        run: pvpython --version
+        run: |
+          pvpython --version
+          pvpython -c "from paraview import simple"
 
       - env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

PySDM/attributes/ice/cooling_rate.py

@@ -21,6 +21,9 @@ def __init__(self, builder):
         builder.particulator.observers.append(self)
 
     def notify(self):
+        """triggers update to ensure recalculation is done before
+        overwriting `self.prev_T` with current temperature"""
+        self.update()
         cell_id = self.particulator.attributes["cell id"]
         self.prev_T[:] = self.particulator.environment["T"][cell_id]
 

examples/PySDM_examples/Arabas_et_al_2015/spin_up.py

@@ -1,4 +1,4 @@
-from PySDM.dynamics import Collision, Displacement, Freezing
+from PySDM.dynamics import Collision, Displacement
 
 
 class SpinUp:
@@ -8,13 +8,11 @@ def __init__(self, particulator, spin_up_steps):
         self.particulator = particulator
         self.set(Collision, "enable", False)
         self.set(Displacement, "enable_sedimentation", False)
-        self.set(Freezing, "enable", False)
 
     def notify(self):
         if self.particulator.n_steps == self.spin_up_steps:
             self.set(Collision, "enable", True)
             self.set(Displacement, "enable_sedimentation", True)
-            self.set(Freezing, "enable", True)
 
     def set(self, dynamic, attr, value):
         key = dynamic.__name__

examples/PySDM_examples/Arabas_et_al_2023/commons.py

@@ -13,7 +13,7 @@
     "illite": {"ABIFM_M": 54.48, "ABIFM_C": -10.67},
 }
 
-COOLING_RATES = (3.75 * si.K / si.min, 0.75 * si.K / si.min, 0.15 * si.K / si.min)
+COOLING_RATES = (-3.75 * si.K / si.min, -0.75 * si.K / si.min, -0.15 * si.K / si.min)
 
 BEST_FIT_LN_S_GEOM = 0.25