Numerical Simulation of Multiphase Flow Structures in Openfoam Software Package E. A. Ivanov, A. S. Klyuyev, A. A. Zharkovskii and I. O. Borshchev E3S Web Conf., 320 (2021) 04016 Published online: 09 November 2021 DOI: 10.1051/e3sconf/202132004016