Dealing with the plane behaviour of a composite quasi-unidirectional elementary ply made of E glasslpolyester, this paper contributes to the study of impact phenomena on ceramic/composite bi-layered targets. Firstly, a quasistatic modelisation of the elementary ply behavior, in plane tensile and plane shear, is presented. It allows a good description of the residual strains and of stiffness los...

The design of linear image filters based on properties of human visual perception has been shown to require the minimization of criterion functions in both the spatial and frequency domains. We extend this approach to continuous filters of infinite support. For lowpass filters, this leads to the concept of an ideal lowpass image filter that provides a response that is superior perceptually to t...

This study compared the initial and final failure loads and failure modes of indirect resin composite laminate veneers with and without fiber reinforcement. Forty intact lower canines received standard laminate preparations and were randomly assigned into four test groups (n=10). In Group 1, indirect resin composite veneers were repaired with two layers of preimpregnated bidirectional glass fib...

Canals are major water conveyance systems used to deliver water to irrigation fields. Due to wide variability of local soil conditions, the stability of designed channel section may not be ensured while implementing the optimal canal sections in the real field. Hence, incorporation of slope stability condition is very helpful to provide stable irrigation channels. This paper presents Particle S...