In design of Machine Element, curved beam is very important topic. In this video how the stress distributed in curved beam were explained clearly. so please watch full video to understand.
Main concept of curved beam is Beam having its neutral axis curved in unloaded condition is known as curved beam. Neutral axis (N.A) and centroidal axis (C.A) of a curved beam do not coincide. Neutral axis of curved beams is shifted towards the centre of curvature. Also the bending stress in case of curved beam, varies hyperbolically with the distance from the neutral axis and variation is not linear as in case of straight beams.
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