A structural member is shifted under a load to a certain extent, or deflected, which can be either an angle or a distance. The slope of the deflected shape of a part under a load directly affects the deflection distance of that member, which may be computed by integrating the function that mathematically defines that slope.
Mechanical Engineering
The term "photoelasticity" refers to variations in a material's optical characteristics caused by mechanical deformation. It is a characteristic of all dielectric media and is frequently used to empirically ascertain the stress distribution in a material, providing an image of stress distributions close to discontinuities in materials. For identifying essential stress locations in a material and for locating stress concentration in irregular geometries, photo elastic tests, also known as photoelasticity, are crucial tools.
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