Matrix theory: a second course
Matrix theory: a second course
Transformations reducing the order of the parameter in differential eigenvalue problems
Journal of Computational Physics
Constrained torsion of prismatic bars
Finite Elements in Analysis and Design - Robert J. Melosh medal competition
Constrained torsion of prismatic bars
Finite Elements in Analysis and Design - Robert J. Melosh medal competition
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A theory is developed that allows the determination of three-dimensional displacements and stresses within finite length prismatic bars of arbitrary cross-section experiencing restrained torsion. This restraint arises from the twisting of a bar where one of its cross-sections is subject to displacement and slope constraints. The deformations within this bar are represented by an exponentially decaying residual solution superimposed on the classical Saint-Venant solution. Galerkin's method is used to solve the boundary value problem resulting from a simultaneous system of three quadratic eigenproblems subject to the stress free boundary condition due to the traction-free lateral surface of the bar. A three-dimensional finite element model is used for validation.