Characteristics of the Caustic fringes formed at the internal points of plate

Autor:	Motomi Uchida, Kiyoshi Isogimi, Tohru Fujikawa
Rok vydání:	1989
Předmět:	Surface (mathematics) Materials science business.industry Mechanical Engineering Internal point Ray Stress (mechanics) Optics Interference (communication) Mechanics of Materials General Materials Science Caustic (optics) Adhesive business
Zdroj:	TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series A. 55:2184-2188
ISSN:	1884-8338 0387-5008
DOI:	10.1299/kikaia.55.2184
Popis:	Caustic interference fringes formed by the reflecting of light rays from any internal point of the objective plate are investigated to apply Caustic experimental method to problems like three-dimensional stress analysis. Half planes with concentrated or uniformly distributing loads are adopted and Caustic fundamental theory and formulae are reestablished. Experimental specimens made of acrylate resin plate are fabricated by combining various thicknesses of plates using adhesive. Caustic patterns of the bonding surface are observed and the characteristics of the reflecting positions are investigated in detail. The computational theoretical patterns ased on the obtained formulae are also plotted. The comparison of the results of the two methods shows good agreement. Therefore the application of this method to three-dimensional problems have tremendous possibilities.
Databáze:	OpenAIRE
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