  We showcase the dynamic mode decomposition (DMD) code developed for
applications in two-phase flow analysis. Vertical bubble chain flow in a
rectangular vessel filled with liquid gallium is studied without and with
applied static horizontal magnetic field (MF) and DMD is applied to the
velocity fields computed via volume of fluid simulations. Flow patterns are
investigated in the vessel and bubble reference frames. We demonstrate the
effect of applied MF and gas flow rate on bubble wake flow and larger scale
flow structures within the liquid metal vessel by examining velocity field mode
statistics over trajectory time and total flow time, as well as the computed
mode velocity fields.
