N2 - This paper proposes an analytical model to describe the interaction of a bounded ultrasonic beam with an immersed plate. This model, based on the Gaussian beams decomposition, takes into account multiple reflections into the plate. It allows predicting three-dimensional spatial distributions of both transmitted and reflected fields. Thereby, it makes it easy to calculate the average pressure over the receiver’s area taking into account diffraction losses. So the acoustical parameters of the plate can be determined more accurately. A Green’s function for the interaction of an ultrasonic beam with the plate is derived. The obtained results are compared to those given by the angular spectrum approach. A good agreement is seen showing the validity of the proposed model. L1 - http://journals.pan.pl/Content/109200/PDF/aoa.2018.125160.pdf L2 - http://journals.pan.pl/Content/109200 PY - 2018 IS - No 4 EP - 669–679 DO - 10.24425/aoa.2018.125160 KW - ultrasonic modeling KW - immersed plate KW - Gaussian beams decomposition KW - Green’s functions KW - NDUT A1 - Soucrati, Hanane A1 - Chitnalah, Ahmed A1 - Aouzale, Noureddine A1 - Jakjoud, Hicham PB - Polish Academy of Sciences, Institute of Fundamental Technological Research, Committee on Acoustics VL - vol. 43 DA - 2018.12.27 T1 - Analytical Model of Three-Dimensional Ultrasonic Beam Interaction with an Immersed Plate SP - 669–679 UR - http://journals.pan.pl/dlibra/publication/edition/109200 T2 - Archives of Acoustics