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In the first part of the paper, using the numerical simulations with FEM and the results of some investigations made with different experimental techniques, a calculation methodology was developed for the study of the stress waves propagation in the short tronconical bars subjected at axial impact. Because a good agreement between data obtained from numerical analysis and experimental investigations was observed, the numerical model of calculus conceived for this study was considered validated. The calculus model established was used to investigate other aspects connected of stress wave propagation in the short tronconical bars. In the second part of the paper, using established calculus model and numerical analysis with Finite Element Method the influence of bar conicity on stress wave propagation and on stress distribution in different cross sections of the bar was analyzed

A Numerical and Experimental Aproach of Stress Waves Propagation in Short Tronconical Bars Under Axial Impact