Summary
The differential interferometry using a Wollaston prism is now applied for experimental stress analysis. A “Differential Optical Stress Law” is derived for isotropic material which can be taken to determine the local gradient of the sum of principal stresses. After the successful application with static stress fields, the differential interferometry is now applied for studying impact problems on Plexiglass rings.
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References
Merzkirch, W.: Flow Visualization. New York: Academic Press 1974.
Schwieger, H.: A new application of the differential interferometry for stress analysis. To be published in Exp. Mech. (There is a comprehensive list of publications).
Schwieger, H.: Eine neue Anwendung der Differential-Interferometrie zur Spannungsanalyse. VDI-Bericht Nr. 514 (1984) 115–120 (8. GESA-Symposium 21. Und 22. Mai 1984 in Duisburg).
Small, R.D.; Sernas, V.A.; Page, R.H.: Single beam Schlieren interferometer using a Wollaston prism. Appl. Optics 11 (1972) 858–862.
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© 1985 Springer-Verlag, Berlin, Heidelberg
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Schwieger, H. (1985). A New Application of Differential Interferometry for Dynamic Stress Analysis. In: Píchal, M. (eds) Optical Methods in Dynamics of Fluids and Solids. International Union of Theoretical and Applied Mechanics. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-82459-3_40
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DOI: https://doi.org/10.1007/978-3-642-82459-3_40
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-82461-6
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