Journal of the SMPTE ( Volume: 75, Issue: 8, August 1966)
[ACTIVE]
Photoelastic Studies of Dynamic Stresses in High Modulus Materials
Metadata
- Publisher
- SMPTE — White Plains, NY, USA
- Doc Type
- Journal Article
- Content Type
- Original Research
- Abbreviated Title
- J SMPTE
- Volume
- 75, No. 8, pp. 729–735
- Abstract
- Ultra-high-speed photography is needed to record transient stress patterns in models made from high modulus photoelastic materials. A unique photooptical system was developed to obtain simultaneous normal and oblique incidence dynamic stress patterns at rates up to 1,000,000 frames/s. Comparing the photoelastic results with strain gage measurements demonstrated the usefulness of the oblique incidence method for separating principal stresses under dynamic conditions in a circular disc. Dynamic values of the stress-optic coefficient, Young's modulus, and Poisson's ratio were determined from photoelastic and strain gage measurements of elastic waves in a bar. Examples of stress wave propagation in transparent, two-dimensional models were studied using these techniques.
- Publication Date
- 1966-08-01
- DOI
10.5594/J15240- ISSN
- Print:
0361-4573 - Link
- https://doi.org/10.5594/J15240
- Author(s)
- Paul D. FlynnPhysics Research Laboratory, Pit-man-Dunn Research Laboratories, Dept. of the Army, Frankford Arsenal, Philadelphia, Pa. 19137
- Copyright
- © 1966 Society of Motion Picture and Television Engineers, Inc.
Bibliographic Reference(s)
- Frocht M. M. Flynn P.D. , “Studies in dynamic photoelasticity,” J. Apple. Mech. , 23 : 116 – 122 , 1956 . EXTERNAL
- Frocht M. M. , Photoelasticity , Vol. I . John Wiley & Sons, Inc. , New York , 1941 , Chap. 5, pp. 129 – 176 . EXTERNAL
- Coker E. G. Filon L. N. G. , A Treatise on Photo-Elasticity , Cambridge University Press , 2nd ed. , 1957 , pp. 230 – 236 . EXTERNAL
- Frocht M. M. Landsberg D. Wang B. C. , “The effect of gage current on strain measurements,” Proc. SESA , 16 : 69 – 72 , 1959 . EXTERNAL
- Edgerton H. E. Shaffner R. O. , “Measuring transient light with vacuum phototubes,” Electronics , pp. 56 – 57 , 25 August 1961 . EXTERNAL
- Clark A. B. J. Sanford R. J. , “A comparison of static and dynamic properties of photoelastic materials,” Experimental Mechanics , 3 : 148 – 151 , 1963 . EXTERNAL
- Flynn P. D. , Discussion of paper entitled “Conventional wire strain gage used as a principal stress gage,” Proc. SESA , 13 : 33 – 34 , 1955 . EXTERNAL
- Frocht M. M. , Photoelasticity , Vol. II . John Wiley & Sons, Inc. , New York , 1948 , Chap. 6, pp. 174 – 201 . EXTERNAL
- Flynn P. D. , “Dynamic photoelastic stress patterns from a simplified model of the head,” in Caveness W. F. Walker A. E. , ed., Head Injury Conference Proceedings , J. B. Lippincott Co. , Philadelphia , pp. 344 – 349 , 1966 . EXTERNAL
- Feder J. C. Gibbons R. A. Gilbert J. T. Offenbacher E. L. , “The study of the propagation of stress waves by photoelasticity,” Proc. SESA , 14 : 109 – 122 , 1956 . EXTERNAL
- Wells A. A. Post D. , “The dynamic stress distribution surrounding a running crack–a photoelastic analysis,” Porc. SECA , 16 : 69 – 96 , 1958 . EXTERNAL
- Flynn P. D. Frocht M. M. , “On the photoelastic separation of principal stresses under dynamic conditions by oblique incidence,” J. Appl. Mech. , 28 : 144 – 145 , 1961 . EXTERNAL
- Flynn P. D. Gilbert J. T. Roll A. A. , “Photoelastic studies of dynamics stress in low modulus materials,” Frankford Arsenal Report No. A62–18, Sept. 1962 . EXTERNAL
- Flynn P. D. , “A dual-beam polariscope for oblique incidence,” Experimental Mechanics , 4 : 182 – 184 , 1964 . EXTERNAL
- Flynn P. D. Gilbert J. T. Roll A. A. , “Some recent developments in dynamic photoelasticity,” SPIE Jour , 2 : 128 – 131 , 1964 . EXTERNAL
- Flynn P. D. , “Dynamic photoelasticity using a dual-beam polariscope and ultra-high-speed photography,” to be published in the Proceedings of the Seventh International Congress on High-Speed Photography , Zurich, 1965 . EXTERNAL
- Flynn P. D. Feder J. C. Gilbert J. T. Roll A. A. , “Some new techniques for dynamic photoelasticity,” Experimental Mechanics , 2 : 159 – 160 , 1962 . EXTERNAL
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Paul D. Flynn; Photoelastic Studies of Dynamic Stresses in High Modulus Materials, Journal of the SMPTE ( Volume: 75, Issue: 8, August 1966); SMPTE, 1966. Available at https://doi.org/10.5594/J15240
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Paul D. Flynn; Photoelastic Studies of Dynamic Stresses in High Modulus Materials, Journal of the SMPTE ( Volume: 75, Issue: 8, August 1966); SMPTE, 1966. Available at https://doi.org/10.5594/J15240
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Paul D. Flynn; Photoelastic Studies of Dynamic Stresses in High Modulus Materials, Journal of the SMPTE ( Volume: 75, Issue: 8, August 1966); SMPTE, 1966. Available at https://doi.org/10.5594/J15240
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<span class="citation">Paul D. Flynn; <cite>Photoelastic Studies of Dynamic Stresses in High Modulus Materials</cite>, Journal of the SMPTE ( Volume: 75, Issue: 8, August 1966); SMPTE, 1966. Available at <a href="https://doi.org/10.5594/J15240" target="_blank" rel="noopener">https://doi.org/10.5594/J15240</a></span>
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Paul D. Flynn; Photoelastic Studies of Dynamic Stresses in High Modulus Materials, Journal of the SMPTE ( Volume: 75, Issue: 8, August 1966); SMPTE, 1966
doi: 10.5594/J15240
url: https://doi.org/10.5594/J15240
doi: 10.5594/J15240
url: https://doi.org/10.5594/J15240
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<li> Paul D. Flynn; <cite id="bib-10-5594-j15240">Photoelastic Studies of Dynamic Stresses in High Modulus Materials</cite>, Journal of the SMPTE ( Volume: 75, Issue: 8, August 1966); SMPTE, 1966 <span class="doi">10.5594/J15240</span> </li>