Annals of Solid and Structural Mechanics
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Non-classical aspects of Kirchhoff type shells
Annals of Solid and Structural Mechanics - - 2020
Kirchhoff type shells are continuum models used to study the mechanics of thin elastic bodies; these are largely based on the theory of surfaces. Here, we report a reformulation of Kirchhoff shells using the theory of moving frames. This reformulation permits us to treat the deformation and the geometry of the shell as two separate entities. The structure equations which represent the familiar tor...... hiện toàn bộ
Construction and justification of Paris-like fatigue laws from Dugdale-type cohesive models
Annals of Solid and Structural Mechanics - Tập 1 - Trang 139-158 - 2010
We propose a construction of fatigue laws from cohesive forces models in the case of a crack submitted to a mode I cyclic loading. Taking the cumulated opening as the memory variable and the surface energy density associated with Dugdale’s model, we explicitly construct the fatigue law which gives the crack growth rate by cycle dℓ/dN in terms of the stress intensity factor K
...... hiện toàn bộ
A dynamic model to predict crack propagation in z-pinned composite structures
Annals of Solid and Structural Mechanics - Tập 2 - Trang 143-157 - 2011
A dynamic model to predict crack growth phenomena in z-pinned reinforced composite structures is proposed. The formulation is based on a novel technique, which is able to couple Fracture Mechanics concepts with a strategy based on a moving mesh methodology. The former is utilized to predict the crack growth, whereas the latter defines the way to take into account the geometry changes on the basis ...... hiện toàn bộ
Frenkel-Kontorova model of propagating ledges on austenite-martensite phase boundaries
Annals of Solid and Structural Mechanics - Tập 12 - Trang 89-96 - 2020
Modeling the formation and evolution of microstructure in phase transforming materials presents challenges to traditional continuum mechanics approaches. This is mainly because they do not account for effects arising from the discreteness of the underlying lattice. Such effects can be described by non-classical approaches based on discrete particle models. We study the propagation of an austenite-...... hiện toàn bộ
Magneto-thermo-mechanical modeling of a Magnetic Shape Memory Alloy Ni-Mn-Ga single crystal
Annals of Solid and Structural Mechanics - - 2011
High-frequency performance of ferromagnetic shape memory alloys
Annals of Solid and Structural Mechanics - - 2016
We conduct systematic dynamic experiments on the martensite reorientation in different samples of the single crystal Ni–Mn–Ga Ferromagnetic Shape Memory Alloy (FSMA) driven by a high-frequency magnetic field and a compressive stress. It is found that the output reversible strain strongly depends on the loading frequency, with the maximum output strain up to 6 % at the resonance frequency; and this...... hiện toàn bộ
Weak form quadrature elements for non-classical Kirchhoff plate theory
Annals of Solid and Structural Mechanics - Tập 12 Số 1-2 - Trang 123-139 - 2020
Macroscopic probabilistic cracking approach for the numerical modelling of fluid leakage in concrete
Annals of Solid and Structural Mechanics - Tập 7 - Trang 1-16 - 2015
The article presents a numerical finite element study of fluid leakage in concrete. Concrete cracking is numerically modelled in the framework of a macroscopic probabilistic approach. Material heterogeneity and the related mechanical effects are taken into account by defining the elementary mechanical properties according to spatially uncorrelated random fields. Each finite element is considered a...... hiện toàn bộ
Integration of parametric measures and the statics of masonry panels
Annals of Solid and Structural Mechanics - Tập 2 - Trang 33-44 - 2011
In this paper we consider masonry bodies undergoing loads that can be represented by vector valued measures, and prove a result which is an appropriate formulation to this context of the static theorem of the limit analysis. As applications, we study the equilibrium of panels that are subjected both to distributed loads and concentrated forces, and determine equilibrated tensor valued measures. Th...... hiện toàn bộ
Numerical studies of ductile failure including the third stress invariant
Annals of Solid and Structural Mechanics - Tập 7 Số 1-2 - Trang 59-69 - 2015
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