equivalent bending moment

equivalent bending moment

[i′kwiv·ə·lənt ′bend·iŋ ‚mō·mənt]
(mechanics)
A bending moment which, acting alone, would produce in a circular shaft a normal stress of the same magnitude as the maximum normal stress produced by a given bending moment and a given twisting moment acting simultaneously.
References in periodicals archive ?
[z.sub.i], [[beta].sub.i], [M'.sub.i], [N'.sub.i], [M.sub.i], and are the displacement, rotation, equivalent bending moment and shear force, exact bending moment, and shear force, respectively, for the center of gravity of the i-th cross-section; q(x) is the continuous distribution pressure; and x is the distance of the target point from the center of the i-th cross-section.
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