# FAQ

Well, FLEXI offers a powerful framework, which is tailored for high-fidelity time-dependent simulations in HPC environments. And yeah, it’s fun and it’s totally for free!

If you used the FLEXI framework for your fancy simulations, we would be happy to have the following paper cited

• F. Hindenlang, G. J. Gassner, C. Altmann, A. Beck, M. Staudenmaier, and C. Munz, “Explicit discontinuous galerkin methods for unsteady problems,” Computers & fluids, vol. 61, p. 86–93, 2012.
[Bibtex]
@article{hindenlang2012explicit,
title={Explicit discontinuous Galerkin methods for unsteady problems},
author={Hindenlang, Florian and Gassner, Gregor J and Altmann, Christoph and Beck, Andrea and Staudenmaier, Marc and Munz, Claus-Dieter},
journal={Computers \& Fluids},
volume={61},
pages={86--93},
year={2012},
publisher={Elsevier}
}

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If you have found a bug in the code, please let us know. You can use the contact form to get in touch with us.