Version
2.0.0
On which installation method(s) does this occur?
No response
Describe the issue
The dataset download script for the bloodflow_1d_mgn healthcare example fails because the NGC dataset URL returns 404 Not Found.
The affected script is:
examples/healthcare/bloodflow_1d_mgn/raw_dataset/download_dataset.sh
When running:
cd examples/healthcare/bloodflow_1d_mgn/raw_dataset
bash download_dataset.sh
the script tries to download from:
https://api.ngc.nvidia.com/v2/resources/nvidia/modulus/modulus_datasets-cardiovascular-simulation/versions/0.0/zip
but the request returns:
HTTP request sent, awaiting response... 404 Not Found
ERROR 404: Not Found.
Minimum reproducible example
git clone https://github.com/NVIDIA/physicsnemo.git
pip install -e .
cd physicsnemo/examples/healthcare/bloodflow_1d_mgn/
pip install -r requirements.txt
pip install gdown
cd raw_dataset
bash download_dataset.sh
Relevant log output
Download dataset
--2026-05-12 09:58:52-- https://api.ngc.nvidia.com/v2/resources/nvidia/modulus/modulus_datasets-cardiovascular-simulation/versions/0.0/zip
Resolving api.ngc.nvidia.com (api.ngc.nvidia.com)... 44.253.69.60, 52.38.196.173
Connecting to api.ngc.nvidia.com (api.ngc.nvidia.com)|44.253.69.60|:443... connected.
HTTP request sent, awaiting response... 404 Not Found
2026-05-12 09:58:53 ERROR 404: Not Found.
Archive: modulus_datasets-cardiovascular-simulation_0.0.zip
End-of-central-directory signature not found. Either this file is not
a zipfile, or it constitutes one disk of a multi-part archive. In the
latter case the central directory and zipfile comment will be found on
the last disk(s) of this archive.
unzip: cannot find zipfile directory in one of modulus_datasets-cardiovascular-simulation_0.0.zip or
modulus_datasets-cardiovascular-simulation_0.0.zip.zip, and cannot find modulus_datasets-cardiovascular-simulation_0.0.zip.ZIP, period.
unzip: cannot find or open cardiovascular_dataset.zip, cardiovascular_dataset.zip.zip or cardiovascular_dataset.zip.ZIP.
mv: cannot stat 'cardiovascular_dataset/*': No such file or directory
rm: cannot remove 'cardiovascular_dataset': No such file or directoryEnvironment details
Version
2.0.0
On which installation method(s) does this occur?
No response
Describe the issue
The dataset download script for the
bloodflow_1d_mgnhealthcare example fails because the NGC dataset URL returns404 Not Found.The affected script is:
When running:
cd examples/healthcare/bloodflow_1d_mgn/raw_dataset bash download_dataset.shthe script tries to download from:
but the request returns:
Minimum reproducible example
Relevant log output
Environment details