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Full Description
Composite materials are heterogeneous by nature, and are intended to be, since only the combination of different constituent materials can give them the desired combination of low weight, stiffness and strength. At present, the knowledge has advanced to a level that materials can be tailored to exhibit certain, required properties. At the same time, the fact that these materials are composed of various, sometimes very different constituents, make their mechanical behaviour complex. This observation holds with respect to the deformation behaviour, but especially with respect to the failure behaviour, where complicated and unconventional failure modes have been observed. It is a challenge to develop predictive methods that can capture this complex mechanical behaviour, either using analytical tools, or using numerical me- ods, the ?nite element method being the most widespread among the latter. In this respect, developments have gone fast over the past decade. Indeed, we have seen a paradigm shift in computational approaches to (composite) ma- rial behaviour. Where only a decade ago it was still customary to carry out analyses of deformation and failure at a macroscopic level of observation only - one may call this a phenomenological approach - nowadays this approach is being progressively replaced by multiscale methods. In such methods it is r- ognized a priori that the overall behaviour is highly dependent on local details and ?aws.
Contents
Analysis Of Homogeneous And Non-Homogeneous Plates.- Numerical methods for The Modelling Of Debonding In Composites.- Micromechanics Of Composites.- Non-Symmetric Thermal Shock In Ceramic Matrix Composite (Cmc) Materials.- A Precis Of Two-Scale Approaches For Fracture In Porous Media.- Initial Deformations On Behaviour Of Elastic Composites.- Energy Criteria For Crack Propagation In Pre-Stressed Elastic Composites.
