Experimental results coming from A. Souto-Iglesias, E. Botia-Vera, A. Martin, and F. Pérez-Arribas, “A set of canonical problems in Sloshing. Part 0: Experimental setup and data processing,” Ocean Engineering (2011) and freely available on line at
https://wiki.manchester.ac.uk/spheric/index.php/Test10 (please see also references therein).