Simulation of acoustic emission caused by the interaction of a high-speed jet of fluid with the material

To derive generalized mathematical relationships describing highly heterogeneous physical processes and phenomena is an urgent task of modeling. The paper investigates the possibility of using a probabilistic mathematical modeling for simulation and analysis of specific physical processes such as wave generation by elastic deformations. In this case, acoustic waves are generated by the dynamic shock interaction of a supersonic jet of liquid with a solid target. This process forms the basis for advanced water-jet materials processing technologies. It is shown that the probabilistic mathematical modeling of acoustic emission from the area where the water jet interacts with the material can result in quantitative relationships between energy parameters of a jet and informative characteristics of acoustic emission. The results of the study can be used for rapid theoret ical evaluat ion of water-jet parameters influencing the efficiency of the process and related to the intensity of energy transformation in the interaction zone.

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