S. Kelbij Star, Giovanni Stabile, Francesco Belloni, Gianluigi Rozza & Joris Degroote. (2021). A Novel Iterative Penalty Method to Enforce Boundary Conditions in Finite Volume POD-Galerkin Reduced Order Models for Fluid Dynamics Problems. Communications in Computational Physics. 30 (1). 34-66. doi:10.4208/cicp.OA-2020-0059