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Transfer of vibrations through a glass plate, mounted in a rigid frame, is investigated using an experimental setup consisting of set of microphones and 2D plane vibrometer. In particular, we aim at measurements of local amplitudes and phases of out-of-plane glass motion. Obtained data are combined, visualized and used for identification of positions on glass, which are most suitable for placement...
The effect of parametric vibration damping is theoretically well described and the first experiments are published. The paper focuses on the design and verification of the system functionality which is based on the use of piezoactuators as an element of the controlled stiffness which varies periodically in time according to a sinusoidal function. The principle of governing the piezoactuator stiffness...
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