Uncoupled multimodal wave reflection from guide termination with different flanges: Experimental and numerical investigationDavid Marx, Florent Margnat, Hélène Bailliet, Christian Prax, Zhiping Qiu and Jean-Christophe ValièreActa Acust., 8 (2024) 38DOI: https://doi.org/10.1051/aacus/2024015