Bars under torsional loading: a generalized beam theory approach

EJ Sapountzakis - International Scholarly Research Notices, 2013 - Wiley Online Library
In this paper both the static and dynamic analyses of the geometrically linear or nonlinear,
elastic or elastoplastic nonuniform torsion problems of bars of constant or variable arbitrary …

[HTML][HTML] Non-uniform warping including the effects of torsion and shear forces. Part I: A general beam theory

R El Fatmi - International Journal of Solids and Structures, 2007 - Elsevier
This two-part contribution presents a beam theory with a non-uniform warping including the
effects of torsion and shear forces, and valid for any homogeneous cross-section made of …

Some closed-form solutions of functionally graded beams undergoing nonuniform torsion

R Barretta, L Feo, R Luciano - Composite Structures, 2015 - Elsevier
Torsion of linearly elastic isotropic beams, with both cross-sectional and axial
inhomogeneities, is analyzed. Twist (rate of torsional rotation along the beam axis) and …

[HTML][HTML] The static and dynamic analyses of warping included composite exact conical helix by mixed FEM

UN Aribas, M Ermis, N Eratli, MH Omurtag - Composites Part B …, 2019 - Elsevier
The objective of this study is to investigate the combined influence of two important topics on
the precision of static and dynamic analyses of non-circular composite helical bars, namely …

Generalized warping analysis of composite beams of an arbitrary cross section by BEM. I: Theoretical considerations and numerical implementation

IC Dikaros, EJ Sapountzakis - Journal of Engineering Mechanics, 2014 - ascelibrary.org
In this two-paper contribution, a general formulation for the nonuniform warping analysis of
composite beams of arbitrary simply or multiply connected cross sections, under arbitrary …

A finite element method for the Saint-Venant torsion and bending problems for prismatic beams

CS Jog, IS Mokashi - Computers & Structures, 2014 - Elsevier
In this work, we present a finite element formulation for the Saint-Venant torsion and bending
problems for prismatic beams. The torsion problem formulation is based on the warping …

3-D beam element of composite cross section including warping and shear deformation effects

EJ Sapountzakis, VG Mokos - Computers & structures, 2007 - Elsevier
In this paper a boundary element method is developed for the construction of the 14× 14
stiffness matrix and the nodal load vector of a member of arbitrary homogeneous or …

Saint Venant's torsion of homogeneous and composite bars by the finite volume method

H Chen, J Gomez, MJ Pindera - Composite Structures, 2020 - Elsevier
We propose a new finite-volume based approach to the solution of Saint Venant's torsion
problems of homogeneous and composite prismatic bars subjected to pure torsion. The …

Saint-Venant torsion analysis of bars with rectangular cross-section and effective coating layers

H Teimoori, RT Faal, R Das - Applied Mathematics and Mechanics, 2016 - Springer
This paper investigates the torsion analysis of coated bars with a rectangular cross-section.
Two opposite faces of a bar are coated by two isotropic layers with different materials of the …

Free‐form reinforced concrete, prestressed concrete, and composite components: Calculation of cross‐section values

F Zimmert, T Braml - Civil Engineering Design, 2024 - Wiley Online Library
A resource‐efficient use of concrete as a construction material can be achieved by adapting
the individual shape of a component under consideration to the stresses that occur and by …