heterogeneous materials
A higher order control volume based finite element method to prodict the deformation of heterogeneous materials
... A linear strain control volume finite element has been presented to predict the size effects of micropolar elasticity. It passes a micropolar patch test. While the method generally shows equivalent predictive performance ...
23
Recent advancements on the phase field approach to brittle fracture for heterogeneous materials and structures
... The modelling framework previously described has been used for the study of crack propagation in heterogeneous materials. In such cases, the interaction between crack propagation in the bulk and the ...
29
Computational Non-Smooth Fracture Dynamics in Nonlinear and Heterogeneous Materials. Application to Fracture of Hydrided Zircaloy
... graded materials from crack initiation to post-fracture ...this heterogeneous material is deduced as an averaged energy release rate depending on the volume fraction of hydride ...
7
Fortran coarray/MPIMulti-scale CAFE for fracture in heterogeneous materials
... the FE integration point. The stiffness (Young’s modulus) of the integration point is scaled by the damage variable, so that the damage variable of 1 means no damage, and the damage variable of 0 means no remaining load ...
21
Computational modelling and experimental characterisation of heterogeneous materials
... Heterogeneous materials can exhibit behaviour under load that cannot be de- scribed by classical continuum ...model heterogeneous material loaded in simple 3 point ...
13
A lattice spring model of heterogeneous materials with plasticity
... In order to correctly represent the elastic properties of a medium which is described by the spring model described above we must generalise the free energy normally associated with an elastic medium [44] to include ...
25
Advances in Thermal Analysis of Heterogeneous Materials with Hybrid Finite Element Methods
... Heterogeneous materials such as functionally graded materials (FGMs) [1-4] and composites materials in general [5-9] have been widely used in the space engineering to achieve some special ...
11
How to compute plastic zones of heterogeneous materials : a simple approach using classical continuum and fracture mechanics
... We have designated Eq. (21) for averaging the heterogeneous materials, Eq. (26) for stress description near the crack in linear elasticity, and its comparable governing rule of Eq. (33) for non-lin- ear ...
7
Höfling, Felix (2006): Dynamics of Rod-Like Macromolecules in Heterogeneous Materials. Dissertation, LMU München: Fakultät für Physik
... The reduction of mobility is related to another effect very well known from disordered and glassy media: critical slowing down. An increase of the radius of the tracer particle effectively increases the volume fraction ...
140
The influence of void size on the micropolar constitutive properties of model heterogeneous materials
... of heterogeneous materials experimentally is a challenging task since the customary approach involves loading material samples of similar geometry but differing ...biological materials (Yang and ...
32
Micromechanical modelling of mechanochemical processes in heterogeneous materials
... There are multiple ways of modelling particle-reinforced heterogeneous materials via micromechanical full-field and mean-field approaches. For a recent review of the full-field homogenisation techniques, the ...
32
Probabilistic modelling of tool unbalance during cutting of hard heterogeneous materials: a case study in Ceramic Matrix Composites (CMCs)
... hard-heterogeneous materials is ...other heterogeneous materials such as Carbon and Glass Fibre Reinforced Plastic (CFRP and GFRP) has been more extensively studied [15, ...composites’ ...
25
Effective Toughness of Heterogeneous Materials
... in heterogeneous media is a fascinating ...in heterogeneous materials interesting but also ...in heterogeneous materials, two requirements are needed: (macroscopic) steady crack ...
125
On the strain rate limits in dynamic testing of concrete-like heterogeneous materials
... Abstract. The bulk dynamic behaviour of concrete in generally known to be strain rate dependent. However, explanation of the underlying mechanisms has been a subject of debate in the research community. Among other ...
6
Modelling fracture in heterogeneous materials on HPC systems using a hybrid MPI/Fortran coarray multi-scale CAFE framework
... ParaFEM synchronisation properties are very different, because most of its routines use 2-way message passing MPI calls. In this regard it is very fortunate that in a ParaFEM/CGPACK CAFE [r] ...
33
Paradoxical size effects in composite laminates and other heterogeneous materials
... considers a simple laminate comprised of just two alternately layered constituents of differing moduli and demonstrates via a straightforward analysis that a rich variety of size effects might be anticipated. The paper ...
23
The Transformation of the Heterogeneous Materials under the Fatigue Deformation
... Q curves, that meet difficulties under the quantita- tive comparison with the theory of dislocation damping. This theory was developed for the homogeneous media. The Aluminum Alloys are structurally ...
10
The micropolar elastic behaviour of model macroscopically heterogeneous materials
... behaviour. The procedure is an enhancement of an earlier approach (Wheel, 2008) but incorporates the higher order displacement variations associated with linear strain triangular elements rather than constant strain ...
48
Photonics and fracture toughness of heterogeneous composite materials
... civil, materials, electronics and chemical engineering ...extremely heterogeneous materials such as composite ...of heterogeneous composite beams is evaluated and the results compare ...
8
Probability of Fixation in a Heterogeneous Environment
... a heterogeneous selective ...migration, heterogeneous selection in a metapopulation never decreased—and sometimes substantially increased—the probability of fixation of a new allele compared to ...
11