Open source experimental modal analysis software.
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OpenModal # BUG: lower frequency limit bug removed Jul 3, 2018
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requirements.txt Updated some packages. Ran succesfully on Elementary OS. Aug 29, 2017 MAINT: added licence info Dec 4, 2016


OpenModal is an open source experimental modal analysis software written in Python.

OpenModal combines geometry builder, measurement, identification and animation module to aid in experimental analysis of the dynamic properties of structures. It is written in Python and published under the GPL license.

Running the software

In order to develop the software on the same Python version and the corresponding library versions, a virtual environment is created in the folder virtual-environment.

To run the virtual environment on Windows PowerShell, execute the following commands:


This should set the environment to Python 3.6 and to the PyQt4 and the associated librraries.

To run the software, execute the following:

cd openModal/

Support the project

If you are interested in contributing to the code base or just by supporting the project, send us an e-mail to