Ultrasonic investigation of the effect of compressive strains on 3D periodic bi-material structures Lynda Chehami, Jingfei Liu, Pascal Pomarède, Paul Lohmuller, Boris Pittrowski, Fodil Meraghni and Nico F. Declercq Acta Acust., 6 (2022) 26 Published online: 30 June 2022 DOI: 10.1051/aacus/2022023