The Possibilities of Dynamic Phenomena Calculation in the Penstock of Hydropower Plant via Different MethodsPeter Hlbočan, Peter Ďurčanský, Zoltán Csuka, Roman Kiš and Zuzana KolkováMATEC Web Conf., 369 (2022) 04005DOI: https://doi.org/10.1051/matecconf/202236904005