Prestininzi, P.Abdolali, A.Montessori, A.Kirby, J. T.La Rocca, M.2017-04-062017-04-06Copyright2016-09-23P. Prestininzi, A. Abdolali, A. Montessori, J.T. Kirby, M.La Rocca, Lattice Boltzmann approach for hydro-acoustic waves generated by tsunamigenic sea bottom displacement, Ocean Modelling (2016), doi: 10.1016/j.ocemod.2016.09.0121463-5003http://udspace.udel.edu/handle/19716/21213Author's final draft after peer reviewThis is a PDF file of an unedited manuscript that has been accepted for publication. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form.Tsunami waves are generated by sea bottom failures, landslides and faults. The concurrent generation of hydro-acoustic waves (HAW), which travel much faster than the tsunami, has received much attention, motivated by their possible exploitation as precursors of tsunamis. This feature makes the detection of HAW particularly well-suited for building an early-warning system. Accuracy and efficiency of the modelling approaches for HAW thus play a pivotal role in the design of such systems. Here, we present a Lattice Boltzmann Method (LBM) for the generation and propagation of HAW resulting from tsunamigenic ground motions and verify it against commonly employed modelling solutions. LBM is well known for providing fast and accurate solutions to both hydrodynamics and acoustics problems, thus it naturally becomes a candidate as a comprehensive computational tool for modelling generation and propagation of HAW.en-USThis article is made available in accordance with the University of Delaware Faculty Policy on Open Access (4.2.15) and the publisher\'s policy.Articledoi: 10.1016/j.ocemod.2016.09.012