Abstract
In this paper, we present a numerical simulation of a water jet impacting a new aeronautical material Ti555-03 plate. The Computational Fluid Dynamics (CFD) behavior of the jet is investigated using a FV (Finite Volume) method. The Fluid–Structure Interaction (FSI) is studied using a coupled SPH (Smoothed Particle Hydrodynamics)-FE (Finite Element) method. The jets hit the metal sheet with an initial velocity 500 m/s. Two configurations which differ from each other by the position (angle of inclination) of the plate relatively to the axis of revolution of the jet inlet are investigated in this study. The objective of this study is to predict the impact of the fluid produced at high pressure and high speed especially at the first moment of impact. Numerical simulations are carried out under ABAQUS. We have shown in this study that the inclination of the titanium alloy plate by 45° stimulates the phenomenon of recirculation of water. This affects the velocity profile, turbulence and boundary layers in the impact zone. The stagnation zone and the phenomenon of water recirculation are strongly influenced by the slope of the plate which gives a pressure gradient and displacement very important between the two configurations. Fluctuations of physical variables (displacement and pressure) prove the need for a noise and vibratory study. These predictions will subsequently be used for the modeling of the problem of an orthogonal cut in a high-speed machining process assisted by high-pressure water jet.
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Foundation item: This work was financially supported by the University of Monastir (Tunisia).
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Ben Belgacem, I., Cheikh, L., Barhoumi, E.M. et al. Numerical Analysis of the Behavior of A New Aeronautical Alloy (Ti555-03) Under the Effect of A High-Speed Water Jet. China Ocean Eng 33, 114–126 (2019). https://doi.org/10.1007/s13344-019-0012-x
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DOI: https://doi.org/10.1007/s13344-019-0012-x