A validated modeling strategy for piezoelectric MEMS loudspeakers including viscous effects Hamideh Hassanpour Guilvaiee, Paul Heyes, Christian Novotny, Manfred Kaltenbacher and Florian Toth Acta Acust., 7 (2023) 24 Published online: 02 June 2023 DOI: 10.1051/aacus/2023019