Results 61 to 70 of about 19,698 (269)
Unconditionally stable, second-order schemes for gradient-regularized, non-convex, finite-strain elasticity modeling martensitic phase transformations [PDF]
Computer Methods in Applied Mechanics and Engineering, 2018 In the setting of continuum elasticity martensitic phase transformations are characterized by a non-convex free energy density function that possesses multiple wells in strain space and includes higher-order gradient terms for regularization. Metastable martensitic microstructures, defined as solutions that are local minimizers of the total free energy,
Sagiyama, K., Garikipati, K.
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Advanced Engineering Materials, EarlyView.Additive manufacturing provides precise control over the placement of continuous fibres within polymer matrices, enabling customised mechanical performance in composite components. This article explores processing strategies, mechanical testing, and modelling approaches for additive manufactured continuous fibre‐reinforced composites.
Cherian Thomas, Amir Hosein Sakhaei
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International Journal of Solids and Structures, 2020 Abstract We discuss “Derivation of Mindlin's first and second strain gradient elastic theory via simple lattice and continuum models” by Polyzos and Fotiadis in [Int. J. Solids Struct. 49 (2012), pp. 470-480]. Polyzos and Fotiadis derived the equations of motion of Mindlin's first and second strain gradient elasticity theory by continualizing the ...
De Domenico D., Askes H., Aifantis E. C.
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Phase Field Failure Modeling: Brittle‐Ductile Dual‐Phase Microstructures under Compressive Loading
Advanced Engineering Materials, EarlyView.The approach by Amor and the approach by Miehe and Zhang for asymmetric damage behavior in the phase field method for fracture are compared regarding their fitness for microcrack‐based failure modeling. The comparison is performed for the case of a dual‐phase microstructure with a brittle and a ductile constituent.
Jakob Huber, Jan Torgersen, Ewald Werner
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International Journal of Solids and Structures, 2010 a Emmy Noether Research Group, Department of Physics, Darmstadt University of Technology, Hochschulstr. 6, D-64289 Darmstadt, Germany b Institut Jean Le Rond d’Alembert, Universite Pierre et Marie Curie, 4 Place Jussieu, Case 162, F-75252 Paris Cedex 05, France c Laboratory of Mechanics and Materials, Polytechnic School, Aristotle University of ...
Lazar, M., Maugin, G.A., Aifantis, E.C.
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Karl Popper and the Mechanisms of Hydrogen Embrittlement
Advanced Engineering Materials, EarlyView.Representation of the beginning of loss of ductility rather than embrittlement. Small concentrations of hydrogen in a diffusible form within iron are well‐established to harm the mechanical integrity of steels. There are theories that attempt to explain the pernicious role of hydrogen.
H. K. D. H. Bhadeshia
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On Mindlin’s isotropic strain gradient elasticity: Green tensors, regularization, and operator-split
, 2018 The theory of Mindlin’s isotropic strain gradient elasticity of form II is reviewed. Three-dimensional and two-dimensional Green tensors and their first and second derivatives are derived for an unbounded medium.
Po, Giacomo, Lazar, Markus
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Advanced Engineering Materials, EarlyView.The present study investigates recycling of NiTi shape memory alloys via vacuum induction melting. An ingot was synthesized from elemental Ni and Ti and subjected to three subsequent remelting cycles. Remelting increases process durations and impurity levels and adversely affects microstructures and functional properties.
Sakia Sophia Noorzayee +7 more
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Consistent integration schemes for meshfree analysis of strain gradient elasticity
, 2019 Integration schemes with nodal smoothed derivatives, which meet integration constraint conditions, are robust and efficient for use in meshfree Galerkin methods, however, most of them are focussed on the classical elasticity determined by a second-order ...
Wang, B.B. +3 more
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Derivation of anisotropic matrix for bi-dimensional strain-gradient elasticity behavior
, 2008 The different forms of second order elasticity operators, in Mindlin’s strain-gradient elasticity, are given for a bi-dimensional physical space.
Auffray, N. +3 more
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