NASA NTRS · 19890027725
Power flow in a beam using a 5-accelerometer probe
Abstract
A method to determine structure-borne power flow is examined which uses central finite differences to approximate the field variables required to calculate the shear and bending components of flexural vibration. An experimental study using a beam driven by a shaker was performed with the aim of comparing estimates using this proposed five-accelerometer method and the conventional two-accelerometer, free-field method. The advantages and disadvantages of the new method are pointed out.
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Downing, J. Micah, Shepherd, Kevin P.. 1988-01-01. Power flow in a beam using a 5-accelerometer probe. https://ntrs.nasa.gov/citations/19890027725
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