Merge branch 'develop' into systemtests/add-perpendicular-flap-cases

AdityaGupta716 · web-flow · commit 8e214c24f13c · 2026-04-04T12:30:00.000+05:30
diff --git a/.github/workflows/system-tests-latest-components.yml b/.github/workflows/system-tests-latest-components.yml
@@ -13,7 +13,9 @@ jobs:
       ref-precice: ${{ steps.ref-precice.outputs.shorthash }}
       ref-python-bindings: ${{ steps.ref-python-bindings.outputs.shorthash }}
       ref-calculix-adapter: ${{ steps.ref-calculix-adapter.outputs.shorthash }}
+      ref-dumux-adapter: ${{ steps.ref-dumux-adapter.outputs.shorthash }}
       ref-fenics-adapter: ${{ steps.ref-fenics-adapter.outputs.shorthash }}
+      ref-micro-manager: ${{ steps.ref-micro-manager.outputs.shorthash }}
       ref-openfoam-adapter: ${{ steps.ref-openfoam-adapter.outputs.shorthash }}
       ref-su2-adapter: ${{ steps.ref-su2-adapter.outputs.shorthash }}
       ref-tutorials: ${{ steps.ref-tutorials.outputs.shorthash }}
@@ -39,13 +41,27 @@ jobs:
           owner: precice
           repo: calculix-adapter
           branch: develop
+      - id: ref-dumux-adapter
+        name: Get DuMux adapter ref
+        uses: nmbgeek/github-action-get-latest-commit@main
+        with:
+          owner: precice
+          repo: dumux-adapter
+          branch: develop
       - id: ref-fenics-adapter
         name: Get FEniCS adapter ref
         uses: nmbgeek/github-action-get-latest-commit@main
         with:
           owner: precice
           repo: fenics-adapter
           branch: develop
+      - id: ref-micro-manager
+        name: Get Micro-Manager ref
+        uses: nmbgeek/github-action-get-latest-commit@main
+        with:
+          owner: precice
+          repo: micro-manager
+          branch: develop
       - id: ref-openfoam-adapter
         name: Get OpenFOAM adapter ref
         uses: nmbgeek/github-action-get-latest-commit@main
@@ -73,7 +89,9 @@ jobs:
           printf 'preCICE: ${{ steps.ref-precice.outputs.shorthash }}\n ${{ steps.ref-precice.outputs.description }}\n----------\n'
           printf 'Python bindings: ${{ steps.ref-python-bindings.outputs.shorthash }}\n ${{ steps.ref-python-bindings.outputs.description }}\n----------\n'
           printf 'CalculiX adapter: ${{ steps.ref-calculix-adapter.outputs.shorthash }}\n ${{ steps.ref-calculix-adapter.outputs.description }}\n----------\n'
+          printf 'DuMux adapter: ${{ steps.ref-dumux-adapter.outputs.shorthash }}\n ${{ steps.ref-dumux-adapter.outputs.description }}\n----------\n'
           printf 'FEniCS adapter: ${{ steps.ref-fenics-adapter.outputs.shorthash }}\n ${{ steps.ref-fenics-adapter.outputs.description }}\n----------\n'
+          printf 'Micro-Manager: ${{ steps.ref-micro-manager.outputs.shorthash }}\n ${{ steps.ref-micro-manager.outputs.description }}\n----------\n'
           printf 'OpenFOAM adapter: ${{ steps.ref-openfoam-adapter.outputs.shorthash }} ${{ steps.ref-openfoam-adapter.outputs.description }}\n----------\n'
           printf 'SU2 adapter: ${{ steps.ref-su2-adapter.outputs.shorthash }}\n ${{ steps.ref-su2-adapter.outputs.description }}\n----------\n'
           printf 'Tutorials: ${{ steps.ref-tutorials.outputs.shorthash }} ${{ steps.ref-tutorials.outputs.description }}\n----------\n'
@@ -99,12 +117,24 @@ jobs:
           echo "\`\`\`" >> $GITHUB_STEP_SUMMARY
           echo "${{ steps.ref-calculix-adapter.outputs.description }}" >> $GITHUB_STEP_SUMMARY
           echo "\`\`\`" >> $GITHUB_STEP_SUMMARY
+          echo "### DuMux adapter" >> $GITHUB_STEP_SUMMARY
+          echo "Reference: [\`${{ steps.ref-dumux-adapter.outputs.shorthash }}\`](https://github.com/precice/dumux-adapter/commit/${{ steps.ref-dumux-adapter.outputs.shorthash }})" >> $GITHUB_STEP_SUMMARY
+          echo "Description:" >> $GITHUB_STEP_SUMMARY
+          echo "\`\`\`" >> $GITHUB_STEP_SUMMARY
+          echo "${{ steps.ref-dumux-adapter.outputs.description }}" >> $GITHUB_STEP_SUMMARY
+          echo "\`\`\`" >> $GITHUB_STEP_SUMMARY
           echo "### FEniCS adapter" >> $GITHUB_STEP_SUMMARY
           echo "Reference: [\`${{ steps.ref-fenics-adapter.outputs.shorthash }}\`](https://github.com/precice/fenics-adapter/commit/${{ steps.ref-fenics-adapter.outputs.shorthash }})" >> $GITHUB_STEP_SUMMARY
           echo "Description:" >> $GITHUB_STEP_SUMMARY
           echo "\`\`\`" >> $GITHUB_STEP_SUMMARY
           echo "${{ steps.ref-fenics-adapter.outputs.description }}" >> $GITHUB_STEP_SUMMARY
           echo "\`\`\`" >> $GITHUB_STEP_SUMMARY
+          echo "### Micro-Manager" >> $GITHUB_STEP_SUMMARY
+          echo "Reference: [\`${{ steps.ref-micro-manager.outputs.shorthash }}\`](https://github.com/precice/micro-manager/commit/${{ steps.ref-micro-manager.outputs.shorthash }})" >> $GITHUB_STEP_SUMMARY
+          echo "Description:" >> $GITHUB_STEP_SUMMARY
+          echo "\`\`\`" >> $GITHUB_STEP_SUMMARY
+          echo "${{ steps.ref-micro-manager.outputs.description }}" >> $GITHUB_STEP_SUMMARY
+          echo "\`\`\`" >> $GITHUB_STEP_SUMMARY
           echo "### OpenFOAM adapter" >> $GITHUB_STEP_SUMMARY
           echo "Reference: [\`${{ steps.ref-openfoam-adapter.outputs.shorthash }}\`](https://github.com/precice/openfoam-adapter/commit/${{ steps.ref-openfoam-adapter.outputs.shorthash }})" >> $GITHUB_STEP_SUMMARY
           echo "Description:" >> $GITHUB_STEP_SUMMARY
@@ -135,13 +165,14 @@ jobs:
         PYTHON_BINDINGS_REF:${{ needs.gather-refs.outputs.ref-python-bindings }},\
         CALCULIX_VERSION:2.20,\
         CALCULIX_ADAPTER_REF:${{ needs.gather-refs.outputs.ref-calculix-adapter }},\
+        DUMUX_VERSION:3.7,\
+        DUMUX_ADAPTER_REF:${{ needs.gather-refs.outputs.ref-dumux-adapter }},\
         FENICS_ADAPTER_REF:${{ needs.gather-refs.outputs.ref-fenics-adapter }},\
+        MICRO_MANAGER_REF:${{ needs.gather-refs.outputs.ref-micro-manager }},\
         OPENFOAM_EXECUTABLE:openfoam2512,\
         OPENFOAM_ADAPTER_REF:${{ needs.gather-refs.outputs.ref-openfoam-adapter }},\
         SU2_VERSION:7.5.1,\
         SU2_ADAPTER_REF:${{ needs.gather-refs.outputs.ref-su2-adapter }},\
-        DUMUX_VERSION:3.7,\
-        MICRO_MANAGER_VERSION:0.8.0,\
         TUTORIALS_REF:${{ needs.gather-refs.outputs.ref-tutorials }}"
       system_tests_branch: develop
       log_level: "INFO"
diff --git a/.github/workflows/system-tests-pr.yml b/.github/workflows/system-tests-pr.yml
@@ -13,7 +13,9 @@ jobs:
       ref-precice: ${{ steps.ref-precice.outputs.shorthash }}
       ref-python-bindings: ${{ steps.ref-python-bindings.outputs.shorthash }}
       ref-calculix-adapter: ${{ steps.ref-calculix-adapter.outputs.shorthash }}
+      ref-dumux-adapter: ${{ steps.ref-dumux-adapter.outputs.shorthash }}
       ref-fenics-adapter: ${{ steps.ref-fenics-adapter.outputs.shorthash }}
+      ref-micro-manager: ${{ steps.ref-micro-manager.outputs.shorthash }}
       ref-openfoam-adapter: ${{ steps.ref-openfoam-adapter.outputs.shorthash }}
       ref-su2-adapter: ${{ steps.ref-su2-adapter.outputs.shorthash }}
     steps:
@@ -38,13 +40,27 @@ jobs:
           owner: precice
           repo: calculix-adapter
           branch: develop
+      - id: ref-dumux-adapter
+        name: Get DuMux adapter ref
+        uses: nmbgeek/github-action-get-latest-commit@main
+        with:
+          owner: precice
+          repo: dumux-adapter
+          branch: develop
       - id: ref-fenics-adapter
         name: Get FEniCS adapter ref
         uses: nmbgeek/github-action-get-latest-commit@main
         with:
           owner: precice
           repo: fenics-adapter
           branch: develop
+      - id: ref-micro-manager
+        name: Get Micro-Manager ref
+        uses: nmbgeek/github-action-get-latest-commit@main
+        with:
+          owner: precice
+          repo: micro-manager
+          branch: develop
       - id: ref-openfoam-adapter
         name: Get OpenFOAM adapter ref
         uses: nmbgeek/github-action-get-latest-commit@main
@@ -65,7 +81,9 @@ jobs:
           printf 'preCICE: ${{ steps.ref-precice.outputs.shorthash }}\n ${{ steps.ref-precice.outputs.description }}\n----------\n'
           printf 'Python bindings: ${{ steps.ref-python-bindings.outputs.shorthash }}\n ${{ steps.ref-python-bindings.outputs.description }}\n----------\n'
           printf 'CalculiX adapter: ${{ steps.ref-calculix-adapter.outputs.shorthash }}\n ${{ steps.ref-calculix-adapter.outputs.description }}\n----------\n'
+          printf 'DuMux adapter: ${{ steps.ref-dumux-adapter.outputs.shorthash }}\n ${{ steps.ref-dumux-adapter.outputs.description }}\n----------\n'
           printf 'FEniCS adapter: ${{ steps.ref-fenics-adapter.outputs.shorthash }}\n ${{ steps.ref-fenics-adapter.outputs.description }}\n----------\n'
+          printf 'Micro-Manager: ${{ steps.ref-micro-manager.outputs.shorthash }}\n ${{ steps.ref-micro-manager.outputs.description }}\n----------\n'
           printf 'OpenFOAM adapter: ${{ steps.ref-openfoam-adapter.outputs.shorthash }} ${{ steps.ref-openfoam-adapter.outputs.description }}\n----------\n'
           printf 'SU2 adapter: ${{ steps.ref-su2-adapter.outputs.shorthash }}\n ${{ steps.ref-su2-adapter.outputs.description }}\n----------\n'
       - id: summary
@@ -90,12 +108,24 @@ jobs:
           echo "\`\`\`" >> $GITHUB_STEP_SUMMARY
           echo "${{ steps.ref-calculix-adapter.outputs.description }}" >> $GITHUB_STEP_SUMMARY
           echo "\`\`\`" >> $GITHUB_STEP_SUMMARY
+          echo "### DuMux adapter" >> $GITHUB_STEP_SUMMARY
+          echo "Reference: [\`${{ steps.ref-dumux-adapter.outputs.shorthash }}\`](https://github.com/precice/dumux-adapter/commit/${{ steps.ref-dumux-adapter.outputs.shorthash }})" >> $GITHUB_STEP_SUMMARY
+          echo "Description:" >> $GITHUB_STEP_SUMMARY
+          echo "\`\`\`" >> $GITHUB_STEP_SUMMARY
+          echo "${{ steps.ref-dumux-adapter.outputs.description }}" >> $GITHUB_STEP_SUMMARY
+          echo "\`\`\`" >> $GITHUB_STEP_SUMMARY
           echo "### FEniCS adapter" >> $GITHUB_STEP_SUMMARY
           echo "Reference: [\`${{ steps.ref-fenics-adapter.outputs.shorthash }}\`](https://github.com/precice/fenics-adapter/commit/${{ steps.ref-fenics-adapter.outputs.shorthash }})" >> $GITHUB_STEP_SUMMARY
           echo "Description:" >> $GITHUB_STEP_SUMMARY
           echo "\`\`\`" >> $GITHUB_STEP_SUMMARY
           echo "${{ steps.ref-fenics-adapter.outputs.description }}" >> $GITHUB_STEP_SUMMARY
           echo "\`\`\`" >> $GITHUB_STEP_SUMMARY
+          echo "### Micro-Manager" >> $GITHUB_STEP_SUMMARY
+          echo "Reference: [\`${{ steps.ref-micro-manager.outputs.shorthash }}\`](https://github.com/precice/micro-manager/commit/${{ steps.ref-micro-manager.outputs.shorthash }})" >> $GITHUB_STEP_SUMMARY
+          echo "Description:" >> $GITHUB_STEP_SUMMARY
+          echo "\`\`\`" >> $GITHUB_STEP_SUMMARY
+          echo "${{ steps.ref-micro-manager.outputs.description }}" >> $GITHUB_STEP_SUMMARY
+          echo "\`\`\`" >> $GITHUB_STEP_SUMMARY
           echo "### OpenFOAM adapter" >> $GITHUB_STEP_SUMMARY
           echo "Reference: [\`${{ steps.ref-openfoam-adapter.outputs.shorthash }}\`](https://github.com/precice/openfoam-adapter/commit/${{ steps.ref-openfoam-adapter.outputs.shorthash }})" >> $GITHUB_STEP_SUMMARY
           echo "Description:" >> $GITHUB_STEP_SUMMARY
@@ -124,7 +154,10 @@ jobs:
         PYTHON_BINDINGS_REF:${{ needs.gather-refs.outputs.ref-python-bindings }},\
         CALCULIX_VERSION:2.20,\
         CALCULIX_ADAPTER_REF:${{ needs.gather-refs.outputs.ref-calculix-adapter }},\
+        DUMUX_VERSION:3.7,\
+        DUMUX_ADAPTER_REF:${{ needs.gather-refs.outputs.ref-dumux-adapter }},\
         FENICS_ADAPTER_REF:${{ needs.gather-refs.outputs.ref-fenics-adapter }},\
+        MICRO_MANAGER_REF:${{ needs.gather-refs.outputs.ref-micro-manager }},\
         OPENFOAM_EXECUTABLE:openfoam2512,\
         OPENFOAM_ADAPTER_REF:${{ needs.gather-refs.outputs.ref-openfoam-adapter }},\
         SU2_VERSION:7.5.1,\
diff --git a/.gitignore b/.gitignore
@@ -20,8 +20,10 @@ precice-profiling/
 precice-run/
 core
 profiling.json
+profiling.db
 profiling.csv
 trace.json
+profiling.pftrace
 
 # C++
 *.o
diff --git a/channel-transport-particles/fluid-nutils/requirements.txt b/channel-transport-particles/fluid-nutils/requirements.txt
@@ -1,5 +1,5 @@
 setuptools # required by nutils
-nutils==7
+nutils~=7.3
 numpy >1, <2
 pyprecice~=3.0
 setuptools
diff --git a/channel-transport/fluid-nutils/requirements.txt b/channel-transport/fluid-nutils/requirements.txt
@@ -1,5 +1,5 @@
 setuptools # required by nutils
-nutils==7
+nutils~=7.3
 numpy >1, <2
 pyprecice~=3.0
 setuptools
diff --git a/channel-transport/transport-nutils/requirements.txt b/channel-transport/transport-nutils/requirements.txt
@@ -1,5 +1,5 @@
 setuptools # required by nutils
-nutils==7
+nutils~=7.3
 numpy >1, <2
 # remeshing support will be released with preCICE version 3.2
 pyprecice @ git+https://github.com/precice/python-bindings.git@develop
diff --git a/flow-over-heated-plate/solid-nutils/requirements.txt b/flow-over-heated-plate/solid-nutils/requirements.txt
@@ -1,4 +1,4 @@
 setuptools # required by nutils
-nutils==7
+nutils~=7.3
 numpy >1, <2
 pyprecice~=3.0
diff --git a/partitioned-heat-conduction-direct/dirichlet-nutils/requirements.txt b/partitioned-heat-conduction-direct/dirichlet-nutils/requirements.txt
@@ -1,4 +1,4 @@
 setuptools # required by nutils
-nutils==7
+nutils~=7.3
 numpy >1, <2
 pyprecice~=3.0
diff --git a/partitioned-heat-conduction-direct/neumann-nutils/requirements.txt b/partitioned-heat-conduction-direct/neumann-nutils/requirements.txt
@@ -1,4 +1,4 @@
 setuptools # required by nutils
-nutils==7
+nutils~=7.3
 numpy >1, <2
 pyprecice~=3.0
diff --git a/partitioned-heat-conduction/dirichlet-nutils/requirements.txt b/partitioned-heat-conduction/dirichlet-nutils/requirements.txt
@@ -1,4 +1,4 @@
 setuptools # required by nutils
-nutils==7
+nutils~=7.3
 numpy >1, <2
 pyprecice~=3.0
diff --git a/partitioned-heat-conduction/neumann-nutils/requirements.txt b/partitioned-heat-conduction/neumann-nutils/requirements.txt
@@ -1,4 +1,4 @@
 setuptools # required by nutils
-nutils==7
+nutils~=7.3
 numpy >1, <2
 pyprecice~=3.0
diff --git a/partitioned-pipe-multiscale/fluid1d-left-nutils/requirements.txt b/partitioned-pipe-multiscale/fluid1d-left-nutils/requirements.txt
@@ -1,5 +1,5 @@
 setuptools # required by nutils
-nutils==9
+nutils~=9.0
 numpy >1, <2
 pyprecice~=3.0
 matplotlib
diff --git a/partitioned-pipe-multiscale/fluid1d-right-nutils/requirements.txt b/partitioned-pipe-multiscale/fluid1d-right-nutils/requirements.txt
@@ -1,5 +1,5 @@
 setuptools # required by nutils
-nutils==9
+nutils~=9.0
 numpy >1, <2
 pyprecice~=3.0
 matplotlib
diff --git a/perpendicular-flap/fluid-nutils/requirements.txt b/perpendicular-flap/fluid-nutils/requirements.txt
@@ -1,4 +1,5 @@
 setuptools # required by nutils
-nutils==6
+nutils~=6.0
 numpy >1, <2
 pyprecice~=3.0
+treelog <2
diff --git a/tools/tests/README.md b/tools/tests/README.md
@@ -279,7 +279,9 @@ This `openfoam-adapter` component has the following attributes:
 
 Since the docker containers are still a bit mixed in terms of capabilities and support for different build_argument combinations the following rules apply:
 
-- A build_argument ending in **_REF** means that it refers to a git commit-ish (like a tag or commit) beeing used to build the image. Its important to not use branch names here as we heavily rely on dockers build cache to speedup things. But since the input variable to the docker builder will not change, we might have wrong cache hits.
+- A build argument ending in `_REF` refers to a git commit-ish (like a tag or commit) being used to build the image. It is important to not use branch names here as we heavily rely on Docker's build cache to speedup things. But since the input variable to the docker builder will not change, we might have wrong cache hits.
+- Some workflows set variables ending in `_PR`. These specify the GitHub pull request which provides the above `_REF` and can be on a fork.
+- A build argument ending in `_VERSION` refers to the version of a third-party dependency to use (e.g., DUNE).
 - All other build_arguments are free of rules and up to the container maintainer.
 
 ### Component templates
diff --git a/tools/tests/components.yaml b/tools/tests/components.yaml
@@ -209,6 +209,6 @@ micro-manager:
     TUTORIALS_REF:
       description: Tutorial git reference to use
       default: "master"
-    MICRO_MANAGER_VERSION:
+    MICRO_MANAGER_REF:
       description: Version of Micro-Manager to use
       default: "0.8.0"
diff --git a/tools/tests/dockerfiles/ubuntu_2404/Dockerfile b/tools/tests/dockerfiles/ubuntu_2404/Dockerfile
@@ -197,13 +197,13 @@ USER precice
 WORKDIR /home/precice
 COPY --from=precice /home/precice/.local/ /home/precice/.local/
 
-ARG MICRO_MANAGER_VERSION
+ARG MICRO_MANAGER_REF
 RUN python3 -m venv /home/precice/venv && \
     . /home/precice/venv/bin/activate && \
     git clone https://github.com/precice/micro-manager.git && \
     cd micro-manager && \
     if [ -n "${MICRO_MANAGER_PR}" ]; then git fetch origin pull/${MICRO_MANAGER_PR}/head; fi && \
-    git checkout ${MICRO_MANAGER_VERSION} && \
+    git checkout ${MICRO_MANAGER_REF} && \
     pip3 install .
 WORKDIR /home/precice
 RUN python3 -m venv /home/precice/venv && \
diff --git a/tools/tests/reference_versions.yaml b/tools/tests/reference_versions.yaml
@@ -14,4 +14,4 @@ DEALII_ADAPTER_REF: "02c5d18" # develop, April 12, 2025
 DUNE_VERSION: "2.9"
 DUMUX_VERSION: "3.7"
 DUMUX_ADAPTER_REF: "0e914bb" # develop, March 18, 2026
-MICRO_MANAGER_VERSION: "v0.8.0"
+MICRO_MANAGER_REF: "v0.8.0"
diff --git a/tools/tests/tests.yaml b/tools/tests/tests.yaml
@@ -55,12 +55,19 @@ test_suites:
         case_combination:
           - macro-dumux
           - micro-dumux
-        reference_result: ./two-scale-heat-conduction/reference-results/macro-dumux_micro-dumux.tar.gz
+        reference_result: ./two-scale-heat-conduction/reference-results/macro-dumux_micro-dumux.tar.gz # Too small values, expected to fail the comparisons.
       - path: free-flow-over-porous-media
         case_combination:
           - free-flow-dumux
           - porous-media-dumux
         reference_result: ./free-flow-over-porous-media/reference-results/free-flow-dumux_porous-media-dumux.tar.gz
+  micro_manager_test:
+    tutorials:
+      - path: two-scale-heat-conduction
+        case_combination:
+          - macro-dumux
+          - micro-dumux
+        reference_result: ./two-scale-heat-conduction/reference-results/macro-dumux_micro-dumux.tar.gz # Too small values, expected to fail the comparisons.
   su2_test:
     tutorials:
       - path: perpendicular-flap
@@ -161,3 +168,8 @@ test_suites:
           - solid-upstream-dealii
           - solid-downstream-dealii
         reference_result: ./perpendicular-flap/reference-results/fluid-openfoam_solid-upstream-dealii_solid-downstream-dealii.tar.gz
+      - path: free-flow-over-porous-media
+        case_combination:
+          - free-flow-dumux
+          - porous-media-dumux
+        reference_result: ./free-flow-over-porous-media/reference-results/free-flow-dumux_porous-media-dumux.tar.gz
diff --git a/turek-hron-fsi3/fluid-nutils/requirements.txt b/turek-hron-fsi3/fluid-nutils/requirements.txt
@@ -1,5 +1,5 @@
 setuptools # required by nutils
-nutils==9
+nutils~=9.0
 numpy >1, <2
 pyprecice~=3.0
 meshio
diff --git a/turek-hron-fsi3/solid-nutils/requirements.txt b/turek-hron-fsi3/solid-nutils/requirements.txt
@@ -1,5 +1,5 @@
 setuptools # required by nutils
-nutils==9
+nutils~=9.0
 numpy >1, <2
 pyprecice~=3.0
 meshio
diff --git a/two-scale-heat-conduction/macro-nutils/requirements.txt b/two-scale-heat-conduction/macro-nutils/requirements.txt
@@ -1,4 +1,4 @@
 setuptools # required by nutils
-nutils==7
+nutils~=7.3
 numpy >1, <2
 pyprecice~=3.0
diff --git a/two-scale-heat-conduction/micro-nutils/requirements.txt b/two-scale-heat-conduction/micro-nutils/requirements.txt
@@ -1,5 +1,5 @@
 setuptools # required by nutils
-nutils==7
+nutils~=7.3
 numpy >1, <2
 pyprecice~=3.0
 micro-manager-precice
diff --git a/water-hammer/fluid1d-left-nutils/requirements.txt b/water-hammer/fluid1d-left-nutils/requirements.txt
@@ -1,5 +1,5 @@
 setuptools # required by nutils
-nutils==9
+nutils~=9.0
 numpy >1, <2
 pyprecice~=3.0
 matplotlib
diff --git a/water-hammer/fluid1d-right-nutils/requirements.txt b/water-hammer/fluid1d-right-nutils/requirements.txt
@@ -1,5 +1,5 @@
 setuptools # required by nutils
-nutils==9
+nutils~=9.0
 numpy >1, <2
 pyprecice~=3.0
 matplotlib
