Membrane Vibration Studies Using a Scanning Laser Vibrometer

Details Membrane Vibration Studies Using a Scanning Laser Vibrometer Membrane Vibration Studies Using a Scanning Laser Vibrometer

Feb 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001stin...0234941g&link_type=abstract

Conference Paper, 20th International Modal Analysis Conference

Physics

Vibration Meters, Scanners, Membrane Structures, Dynamic Structural Analysis, Loads (Forces), Lasers, Resonant Frequencies, Excitation, Tension, Kapton (Trademark), Shaking

Scientific paper

This paper summarizes on-going experimental work at NASA Langley Research Center to measure the dynamics of a 1.016 m (40 in.) square polyimide film Kapton membrane. A fixed fully automated impact hammer and Polytec PSV-300-H scanning laser vibrometer were used for non-contact modal testing of the membrane with zero-mass-loading. The paper discusses the results obtained by testing the membrane at various tension levels and at various excitation locations. Results obtained by direct shaker excitation to the membrane are also discussed.

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