The Unified Solution for a Beam of Rectangular Cross-Section with Different Higher-Order Shear Deformation Models

AUTOR(ES)

Duan, T. C., Li, L. X.

FONTE

Lat. Am. j. solids struct.

DATA DE PUBLICAÇÃO

2016-09

RESUMO

Abstract The unified solution is studied for a beam of rectangular cross section. With the rotation defined in the average sense over the cross section, the kinematics with higher-order shear deformation models in axial displacement is first expressed in a unified form by using the fundamental higher-order term with some properties. The shear correction factor is then derived and discussed for the four commonly used higher-order shear deformation models including the third-order model, the sine model, the hyperbolic sine model and the exponential model. The unified solution is finally obtained for a beam subjected to an arbitrarily distributed load. The relation with that from the conventional beam theory is established, and therefore the difference is reasonably explained. A very good agreement with the elasticity theory validates the present solution.

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