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Proceedings Paper

The Transient Bending State Of A Transversely Struck Plate Determined By Isodensitometry
Author(s): H. Schwieger; V. Truppat
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Paper Abstract

The propagation of bending waves is visualized by the birefringent coating method. The plate to be investigated is coated by a photoelastic foil, and the dynamical photoelastic effect is studied by a reflexion-polariscope and a controlled single flash. The so called "Isodensito-metry" is applied in order to determine quantitatively the local distribution of the maximum torsional moment. The isodenses as lines of equal density are produced on the photographic film by applying the "Sabattier-Effect". In a special way the isodenses are calibrated and to-gether with other photoelastic data one is able to evalu-ate the maximum torsional moment. For getting a better in-sight into the impact problem and for verification of the optical results additional measurements of the impact forces and the strains were performed.

Paper Details

Date Published: 27 July 1979
PDF: 3 pages
Proc. SPIE 0189, 13th Intl Congress on High Speed Photography and Photonics, (27 July 1979); doi: 10.1117/12.957576
Show Author Affiliations
H. Schwieger, Ruhr-University (Germany)
V. Truppat, Ruhr-University (Germany)

Published in SPIE Proceedings Vol. 0189:
13th Intl Congress on High Speed Photography and Photonics
Shin-Ichi Hyodo, Editor(s)

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