center of twist

center of twist

[′sen·tər əv ′twist]
(mechanics)
A point on a line parallel to the axis of a beam through which any transverse force must be applied to avoid twisting of the section. Also known as shear center.

shear center, center of twist, flexural center

Of any cross section of a beam, that point in the plane of the cross section through which a transverse load must be applied in order that there will be only bending of the section and no twisting.
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