Bug located in examples

### 🔍 Before submitting the issue

- [x] I have searched among the existing issues
- [x] I am using a Python virtual environment

### 🐞 Description of the bug

when attempting to run the online examples, I get a failure message (botl pretension, valve.py).

### 📝 Steps to reproduce

run the examples

### 💻 Which operating system are you using?

Windows

### 📀 Which ANSYS version are you using?

261

### 🐍 Which Python version are you using?

3.13

### 📦 Installed packages

```shell
aiohappyeyeballs==2.6.1
aiohttp==3.13.2
aiosignal==1.4.0
alabaster==1.0.0
ansys-acp-core==0.2.1
ansys-api-acp==0.3.1
ansys-api-dbu==0.3.28
ansys-api-geometry==0.4.83
ansys-api-mapdl==0.5.2
ansys-api-mechanical==0.1.3
ansys-api-meshing-prime==0.1.4
ansys-api-platform-instancemanagement==1.1.3
ansys-api-tools-filetransfer==0.1.2
ansys-dpf-composites==0.7.0
ansys-dpf-core==0.14.2
ansys-geometry-core==0.12.1
ansys-mapdl-core==0.70.2
ansys-mapdl-reader==0.55.1
ansys-math-core==0.2.4
ansys-mechanical-core==0.11.35
ansys-mechanical-stubs==0.1.9
ansys-meshing-prime==0.9.3
ansys-platform-instancemanagement==1.1.2
ansys-pythonnet==3.1.0rc6
ansys-tools-common==0.2.1
ansys-tools-filetransfer==0.1.1
ansys-tools-local-product-launcher==0.1.1
ansys-tools-path==0.7.3
ansys-tools-visualization-interface==0.9.2
anyio==4.11.0
appdirs==1.4.4
argon2-cffi==25.1.0
argon2-cffi-bindings==25.1.0
arrow==1.4.0
astroid==3.3.11
asttokens==3.0.0
async-lru==2.0.5
asyncssh==2.21.1
atomicwrites==1.4.1
attrs==25.4.0
autopep8==2.0.4
babel==2.17.0
bcrypt==5.0.0
beartype==0.22.5
beautifulsoup4==4.14.2
binaryornot==0.4.4
black==25.9.0
bleach==6.3.0
cattrs==25.3.0
certifi==2025.10.5
cffi==2.0.0
chardet==5.2.0
charset-normalizer==3.4.4
click==8.3.0
cloudpickle==3.1.2
clr_loader==0.2.8
colorama==0.4.6
comm==0.2.3
contourpy==1.3.3
cookiecutter==2.6.0
cryptography==46.0.3
cycler==0.12.1
debugpy==1.8.17
decorator==5.2.1
defusedxml==0.7.1
diff-match-patch==20241021
dill==0.4.0
docstring-to-markdown==0.17
docutils==0.21.2
executing==2.2.1
fastjsonschema==2.21.2
flake8==7.1.2
flexcache==0.3
flexparser==0.4
fonttools==4.60.1
fqdn==1.5.1
frozenlist==1.8.0
geomdl==5.4.0
grpcio==1.76.0
grpcio-health-checking==1.62.3
h11==0.16.0
httpcore==1.0.9
httpx==0.28.1
idna==3.11
imagesize==1.4.1
importlib_metadata==8.7.0
inflection==0.5.1
intervaltree==3.1.0
ipykernel==6.31.0
ipython==9.7.0
ipython_pygments_lexers==1.1.1
ipywidgets==8.1.8
isoduration==20.11.0
isort==6.1.0
jaraco.classes==3.4.0
jaraco.context==6.0.1
jaraco.functools==4.3.0
jedi==0.19.2
jellyfish==1.2.1
Jinja2==3.1.6
json5==0.12.1
jsonpointer==3.0.0
jsonschema==4.25.1
jsonschema-specifications==2025.9.1
jupyter-events==0.12.0
jupyter-lsp==2.3.0
jupyter_client==8.6.3
jupyter_core==5.9.1
jupyter_server==2.17.0
jupyter_server_proxy==4.4.0
jupyter_server_terminals==0.5.3
jupyterlab==4.4.10
jupyterlab_pygments==0.3.0
jupyterlab_server==2.28.0
jupyterlab_widgets==3.0.16
keyring==25.6.0
kiwisolver==1.4.9
lark==1.3.1
lsprotocol==2025.0.0
markdown-it-py==4.0.0
MarkupSafe==3.0.3
matplotlib==3.10.7
matplotlib-inline==0.2.1
mccabe==0.7.0
mdurl==0.1.2
mistune==3.1.4
more-itertools==10.8.0
msgpack==1.1.2
multidict==6.7.0
mypy_extensions==1.1.0
nbclient==0.10.2
nbconvert==7.16.6
nbformat==5.10.4
nest-asyncio==1.6.0
networkx==3.5
notebook_shim==0.2.4
numpy==2.2.6
numpydoc==1.9.0
packaging==25.0
pandocfilters==1.5.1
parso==0.8.5
pathspec==0.12.1
pexpect==4.9.0
pickleshare==0.7.5
pillow==12.0.0
Pint==0.25.1
platformdirs==4.5.0
pluggy==1.6.0
pooch==1.8.2
prometheus_client==0.23.1
prompt_toolkit==3.0.52
propcache==0.4.1
protobuf==4.25.8
psutil==7.1.3
ptyprocess==0.7.0
pure_eval==0.2.3
pyansys-tools-versioning==0.7.0
pycodestyle==2.12.1
pycparser==2.23
pydocstyle==6.3.0
pyflakes==3.2.0
PyGithub==2.8.1
Pygments==2.19.2
pyiges==0.3.2
PyJWT==2.10.1
pylint==3.3.9
pylint-venv==3.0.4
pyls-spyder==0.4.0
PyNaCl==1.6.0
pyparsing==3.2.5
PyQt5==5.15.11
PyQt5-Qt5==5.15.2
PyQt5_sip==12.17.1
PyQtWebEngine==5.15.7
PyQtWebEngine-Qt5==5.15.2
python-dateutil==2.9.0.post0
python-json-logger==4.0.0
python-lsp-black==2.0.0
python-lsp-jsonrpc==1.1.2
python-lsp-ruff==2.3.0
python-lsp-server==1.13.1
python-slugify==8.0.4
pytokens==0.3.0
pytoolconfig==1.3.1
pyuca==1.2
pyvista==0.46.4
pywin32-ctypes==0.2.3
pywinpty==3.0.2
PyYAML==6.0.3
pyzmq==27.1.0
QDarkStyle==3.2.3
qstylizer==0.2.4
QtAwesome==1.4.0
qtconsole==5.7.0
QtPy==2.4.3
referencing==0.37.0
requests==2.32.5
rfc3339-validator==0.1.4
rfc3986-validator==0.1.1
rfc3987-syntax==1.1.0
rich==14.2.0
roman-numerals-py==3.1.0
rope==1.14.0
rpds-py==0.28.0
rtree==1.4.1
ruff==0.14.3
scipy==1.16.3
scooby==0.11.0
semver==3.0.4
Send2Trash==1.8.3
setuptools==80.9.0
simpervisor==1.0.0
six==1.17.0
sniffio==1.3.1
snowballstemmer==3.0.1
sortedcontainers==2.4.0
soupsieve==2.8
Sphinx==8.2.3
sphinxcontrib-applehelp==2.0.0
sphinxcontrib-devhelp==2.0.0
sphinxcontrib-htmlhelp==2.1.0
sphinxcontrib-jsmath==1.0.1
sphinxcontrib-qthelp==2.0.0
sphinxcontrib-serializinghtml==2.0.0
spyder==6.1.0
spyder-kernels==3.1.1
stack-data==0.6.3
superqt==0.7.6
tabulate==0.9.0
terminado==0.18.1
text-unidecode==1.3
textdistance==4.6.3
three-merge==0.1.1
tinycss2==1.4.0
tomlkit==0.13.3
tornado==6.5.2
tqdm==4.67.1
traitlets==5.14.3
trame==3.12.0
trame-client==3.11.2
trame-common==1.0.1
trame-server==3.8.1
trame-vtk==2.10.0
trame-vuetify==3.1.0
typing_extensions==4.15.0
tzdata==2025.2
ujson==5.11.0
uri-template==1.3.0
urllib3==2.5.0
vtk==9.5.2
watchdog==6.0.0
wcwidth==0.2.14
webcolors==25.10.0
webencodings==0.5.1
websocket-client==1.9.0
websockets==15.0.1
whatthepatch==1.0.7
widgetsnbextension==4.0.15
wslink==2.5.0
yapf==0.43.0
yarl==1.22.0
zipp==3.23.0
```

The report identifies failures in the online examples and mentions valve.py and a bolt pretension example; start by reproducing the failure on Windows with Python 3.13 and inspect the attached error. Done means the affected example runs successfully.

Written by the indexing model from the issue text.