Modular meshing and Snappy

.github/workflows/pypi-publish.yml

@@ -58,11 +58,11 @@ jobs:
       run: poetry version ${{ env.RELEASE_VERSION }}
     - name: check version
       run: |
-          version=$(poetry run python -c "import flow360; print(flow360.__version__)")
+          version=$(poetry run python -c "import flow360; print(flow360.version.__version__)")
           publish_version="${{ env.RELEASE_VERSION }}"
           publish_version="${publish_version:1}"
           if [ "$version" != "$publish_version" ]; then
-              echo "version ${version}!=${publish_version} in flow360.__version__ does not match to release version ${{ inputs.version }}"
+              echo "version ${version}!=${publish_version} in flow360.version.__version__ does not match to release version ${{ inputs.version }}"
               exit 1
           fi
     - name: Setup pipy token

.github/workflows/sync-main-to-develop.yml

@@ -145,19 +145,46 @@ jobs:
 
       - name: Open PR main -> develop (on conflict OR push failure)
         if: steps.up.outputs.up_to_date == 'false' && (steps.merge.outputs.conflicted == 'true' || steps.push.outputs.exit_code != '0')
-        uses: repo-sync/pull-request@v2
+        id: pr
+        shell: bash
+        run: |
+          PR_BODY=$(cat <<'EOF'
+          Automated sync needs review:
+          - Merge conflicted: ${{ steps.merge.outputs.conflicted == 'true' }}
+          - Direct push exit code: ${{ steps.push.outputs.exit_code || 'n/a' }}
+          Please resolve and merge to bring `develop` up to date with `main`.
+          EOF
+          )
+          PR_URL=$(gh pr create \
+            --base develop \
+            --head main \
+            --title "Scheduled sync: main → develop" \
+            --body "$PR_BODY")
+          echo "pr_url=$PR_URL" >> "$GITHUB_OUTPUT"
+          echo "Created PR: $PR_URL"
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Send Slack notification
+        if: steps.up.outputs.up_to_date == 'false' && (steps.merge.outputs.conflicted == 'true' || steps.push.outputs.exit_code != '0')
+        uses: slackapi/slack-github-action@v2
         with:
-          source_branch: "main"
-          destination_branch: "develop"
-          pr_title: "Scheduled sync: main → develop"
-          pr_body: |
-            Automated sync needs review:
-            - Merge conflicted: ${{ steps.merge.outputs.conflicted == 'true' }}
-            - Direct push exit code: ${{ steps.push.outputs.exit_code || 'n/a' }}
-            Please resolve and merge to bring `develop` up to date with `main`.
-          github_token: ${{ secrets.GITHUB_TOKEN }}
-          # If using bot PAT, switch to:
-          # github_token: ${{ secrets.BOT_PAT }}
+          webhook-type: incoming-webhook
+          payload: |
+            {
+              "text": "<!channel> 🔄 Sync PR Created: main → develop",
+              "blocks": [
+                {
+                  "type": "section",
+                  "text": {
+                    "type": "mrkdwn",
+                    "text": "<!channel> 🔄 *Scheduled sync PR created*\n\n<${{ steps.pr.outputs.pr_url }}|View Pull Request>\n\n• Merge conflicted: `${{ steps.merge.outputs.conflicted == 'true' }}`\n• Direct push failed: `${{ steps.push.outputs.exit_code != '0' }}`"
+                  }
+                }
+              ]
+            }
+        env:
+          SLACK_WEBHOOK_URL: ${{ secrets.SLACK_MERGE_NOTIFICATION_URL }}
 
       - name: Final summary
         run: |

examples/advanced_simulations/aerodynamics/dynamic_derivatives/dynamic_derivatives.py

@@ -31,7 +31,7 @@
         outer_radius=1.0,
         height=2.5,
     )
-    sliding_interface = fl.RotationCylinder(
+    sliding_interface = fl.RotationVolume(
         spacing_axial=0.04,
         spacing_radial=0.04,
         spacing_circumferential=0.04,

examples/advanced_simulations/rotorcraft/isolated_propeller.py

@@ -12,13 +12,21 @@
 
 with fl.SI_unit_system:
     rotating_cylinder = fl.Cylinder(
-        name="Rotating zone", center=[0, 0, 0], axis=[1, 0, 0], outer_radius=2, height=0.8
+        name="Rotating zone",
+        center=[0, 0, 0],
+        axis=[1, 0, 0],
+        outer_radius=2,
+        height=0.8,
     )
     refinement_cylinder = fl.Cylinder(
-        name="Refinement zone", center=[1.9, 0, 0], axis=[1, 0, 0], outer_radius=2, height=4
+        name="Refinement zone",
+        center=[1.9, 0, 0],
+        axis=[1, 0, 0],
+        outer_radius=2,
+        height=4,
     )
     slice = fl.Slice(name="Slice", normal=[1, 0, 0], origin=[0.6, 0, 0])
-    volume_zone_rotating_cylinder = fl.RotationCylinder(
+    volume_zone_rotating_cylinder = fl.RotationVolume(
         name="Rotation cylinder",
         spacing_axial=0.05,
         spacing_radial=0.05,
@@ -30,11 +38,14 @@
     params = fl.SimulationParams(
         meshing=fl.MeshingParams(
             defaults=fl.MeshingDefaults(
-                surface_max_edge_length=1, boundary_layer_first_layer_thickness=0.1 * fl.u.mm
+                surface_max_edge_length=1,
+                boundary_layer_first_layer_thickness=0.1 * fl.u.mm,
             ),
             refinements=[
                 fl.UniformRefinement(
-                    name="Uniform refinement", spacing=0.025, entities=[refinement_cylinder]
+                    name="Uniform refinement",
+                    spacing=0.025,
+                    entities=[refinement_cylinder],
                 )
             ],
             volume_zones=[farfield, volume_zone_rotating_cylinder],
@@ -63,7 +74,10 @@
             step_size=0.0025,
             max_pseudo_steps=35,
             CFL=fl.AdaptiveCFL(
-                min=0.1, max=10000, max_relative_change=1, convergence_limiting_factor=0.5
+                min=0.1,
+                max=10000,
+                max_relative_change=1,
+                convergence_limiting_factor=0.5,
             ),
         ),
         outputs=[