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1 Journal of Theoretical and Applied Mechanics

1 2018

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The influence of non-axisymmetric pulse shaper position on SHPB experimental data

Panowicz R., Janiszewski J., Kochanowski K.

Journal of Theoretical and Applied Mechanics

2018

Vol. 56 nr 3

873—886

The results of experimental and numerical analysis of the influence of the non-axisymmetric pulse shaper position on recorded wave signals in the split Hopkinson pressure bar experiment are presented. The paper focuses attention on the problem of wave signal disturbances caused by a bending wave resulting from non-axisymmetric pulse shaper positions and, moreover, different shaper thickness, striker impact velocities and Wheatstone bridge configurations. The obtained results of analyses indicate that the effect of the non-axisymmetric pulse shaper position may be neglected if deviation from the bar axis does not exceed 20%.