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URI permanente para esta colecciónhttps://hdl.handle.net/10953/245

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On strain localization under bending
(2014-07) Jirásek, Milan; Suárez Guerra, Fernando
The aim of the present contribution is to assess the localization properties of nonlocal damage models under bending. To permit a partially analytical treatment and to display the fundamental properties of various formulations, the idealized case of uniform bending is considered. This means that the beam has a constant cross section and is subjected to a uniformly distributed bending moment and zero normal force. The beam is assumed to be very long, and boundary effects that might be introduced by the supports at the end sections are eliminated by imposing periodic boundary conditions on the fluctuating part of the response, which is superimposed on the solution that corresponds to uniform curvature. The average curvature serves as a loading parameter that is monotonically increased.
Study on Nonlocal Damage Localisation Under Pure Bending
(2015-07) Suárez Guerra, Fernando; Jirásek, Milan
This contribution is focused on studying the localisation properties of nonlocal damage models under bending. In order to allow an easy interpretation of the results, the uniform bending case is studied. Therefore, a beam with a constant cross section subjected to pure bending is analysed.