photoelasticity

photoelasticity - Photoelasticity Joshua Sill Group 8-b MAE...

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Photoelasticity Joshua Sill Group 8-b MAE 244 Sec 4: Tony Feng 10/20/05
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This experiment is based upon the concept of photoelasticity. This is a concept that allows you to see the stress distribution of a material by passing light through the specimen and then you can note the pattern of the fringes of light. This technique is used mostly for complex geometric shapes where conventional methods are not practical to find the stress distribution. In this lab, two different experiments will be conducted. One using a notched specimen with loads pulling from the ends, and the other a beam with a load applied from on top with four different points of contact. A camera is used to take a picture of the loading distribution of the different specimens and then the stresses can be calculated by measuring the different dimensions. After the dimension are found, the can be plugged into the different stress formulas and find the values that are needed. Schematic
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This lab report was uploaded on 04/03/2008 for the course MAE 244 taught by Professor Cairns during the Spring '07 term at WVU.

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photoelasticity - Photoelasticity Joshua Sill Group 8-b MAE...

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