In view of this reasoning, the assumption “plane sections remain normal to the deformed axis of the beam,” which implies the vanishing of the transverse shear strains, could be replaced by “the beam is made of a material with an infinite shear modulus.” Because such a constitutive law is awkward, the transverse shear force (the stress resultant associated with the shear stress), is not evaluated from this constitutive law but from equilibrium considerations instead.
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© 2009 Springer Science + Business Media B.V.
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Bauchau, O.A., Craig, J.I. (2009). Shearing deformations in beams. In: Bauchau, O.A., Craig, J.I. (eds) Structural Analysis. Solid Mechanics and Its Applications, vol 163. Springer, Dordrecht. https://doi.org/10.1007/978-90-481-2516-6_15
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DOI: https://doi.org/10.1007/978-90-481-2516-6_15
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