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. 2020 Oct 14;13(20):4554. doi: 10.3390/ma13204554

Table 4.

Time points of the eigenfrequency determination with designation.

Stimulation No. Position of the Plate
St1 free hanging before the impact experiment
St2 free lying before the impact experiment
St3 clamped on load cells before the impact experiment
St4 clamped on load cells after the impact experiment
St5 free lying after the impact experiment
St6 free hanging after the impact experiment