Photoelasticity

Tension lines in plastic protractor seen under cross-polarized light.

Transmission Circular PolariscopeThe same device functions as a plane polariscope when quarter wave plates are taken aside or rotated so their axes parallel to polarization axes

Photoelasticity is an experimental method to determine the stress distribution in a material. The method is mostly used in cases where mathematical methods become quite cumbersome. Unlike the analytical methods of stress determination, photoelasticity gives a fairly accurate picture of stress distribution, even around abrupt discontinuities in materials. The method is an important tool for determining critical stress points in a material, and is used for determining stress concentration in irregular geometries.

单词	Photo elasticity
释义	Photo elasticity 英语百科 Photoelasticity Photoelasticity is an experimental method to determine the stress distribution in a material. The method is mostly used in cases where mathematical methods become quite cumbersome. Unlike the analytical methods of stress determination, photoelasticity gives a fairly accurate picture of stress distribution, even around abrupt discontinuities in materials. The method is an important tool for determining critical stress points in a material, and is used for determining stress concentration in irregular geometries.
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Photo elasticity

Photoelasticity