Browsing by Author "Papageorgopoulou, A."
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A structural gradient theory of torsion, the effects of pretwist, and the tension of pre-twisted DNA
Giannakopoulos, A. E.; Aravas, N.; Papageorgopoulou, A.; Vardoulakis, I. (2013)A structural gradient theory of torsion of thin-walled beams is developed. A non-local estimate of the mean value of the angle of twist of the beam leads to a shear gradient that is energetically consistent with a bi-moment, ...