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This tool is a port of the POD/DMD of the tools from UPM in MATLAB to C/C++ using a python interface. So far POD and DMD are fully implemented and work is being done to bring sPOD and hoDMD inside the tool.

Cite the repo!

If you find this repository useful, please cite it:

@misc{pyLOM,
  author    = {Eiximeno, Benet and Begiashvili, Beka and Miro, Arnau and Valero, Eusebio and Lehmkuhl, Oriol},
  title     = {pyLOM: Low order modelling in Python},
  year      = {2022},
  publisher = {Barcelona Supercomputing Center},
  journal   = {GitHub repository},
  url       = {https://github.com/ArnauMiro/UPM_BSC_LowOrder},
}

The POD formulation used in this tool can be found in the following papers:

Eiximeno, B., Miró, A., Cajas, J.C., Lehmkuhl, O., Rodriguez, I., 2022. On the Wake Dynamics of an Oscillating Cylinder via Proper Orthogonal Decomposition. Fluids 7, 292. https://doi.org/10.3390/fluids7090292

Eiximeno, B., Miró, A., Begiashvili, B., Valero, E., Rodriguez, I., Lehmkhul, O., 2025. PyLOM: A HPC open source reduced order model suite for fluid dynamics applications. Computer Physics Communications 308, 109459. https://doi.org/10.1016/j.cpc.2024.109459

Bibtex

@article{eiximeno_wake_2022,
	title = {On the {Wake} {Dynamics} of an {Oscillating} {Cylinder} via {Proper} {Orthogonal} {Decomposition}},
	volume = {7},
	issn = {2311-5521},
	doi = {10.3390/fluids7090292},
	number = {9},
	journal = {Fluids},
	author = {Eiximeno, Benet and Miró, Arnau and Cajas, Juan Carlos and Lehmkuhl, Oriol and Rodriguez, Ivette},
	year = {2022},
	pages = {292},
}

@article{eiximeno_pylom_2025,
	title = {{PyLOM}: {A} {HPC} open source reduced order model suite for fluid dynamics applications},
	volume = {308},
	issn = {00104655},
	doi = {10.1016/j.cpc.2024.109459},
	journal = {Computer Physics Communications},
	author = {Eiximeno, Benet and Miró, Arnau and Begiashvili, Beka and Valero, Eusebio and Rodriguez, Ivette and Lehmkhul, Oriol},
	month = mar,
	year = {2025},
	pages = {109459},
}