244 Photo Elasticity

244 Photo Elasticity - Photo-Elasticity LAB 4 Frank Bryan...

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Photo-Elasticity LAB 4 Frank Bryan Group 5 MAE 244 Nick Wu 3/22/06
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Introduction The objective of this Lab was to discover the principle of Photo-elasticity. This experiment demonstrated the ability of Photo-elasticity to visually depict stress distributions over the area tested specimen. This technique is also used to for the analysis of stress concentrations in a notched tensile specimen. This technique is usually used for complex geometric shapes where other methods are not useful or practical to find the stress distribution. Photo-elasticity allows you to visually locate the stress distribution of a material by passing light through a clear specimen and then you can note the pattern of the fringes of light. During this laboratory experiment, two different experiments were conducted. ( A. Semi- circular notched specimen, B. Beam bending specimen) Laboratory Experiment A used a notched specimen with loads pulling from the ends, and Laboratory Experiment B utilized a beam with a load applied from on top with four different points of contact. A camera connected to a computer was used to take a picture
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This lab report was uploaded on 04/03/2008 for the course STAT 215 taught by Professor Dr. during the Spring '08 term at WVU.

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244 Photo Elasticity - Photo-Elasticity LAB 4 Frank Bryan...

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