Publicaties

This paper presents a study on the dynamic behavior of thin aluminum plates subjected to consecutive fragment impact and blast loading. To this end, two separate experimental setups are used. In the first setup, 2 mm thick aluminum plates EN -AW-1050A-H24 were subjected to the ballistic impact of fragment-simulating projectiles (FSPs). Experiments were carried out for FSP calibers of 7.62 mm and 12.7 mm considering both single impact and triple ...

This work investigates the use of blast loadings and inverse modeling for the identification of the strain rate hardening model parameters of fibre reinforced polymers. An experimental setup allowing the generation of known and predictable blast waves, leading to repeatable dynamic response in composite plates and the measurement of the displacement and strain fields, is developed. The dynamic response of the plates is measured by means of ...

Effects of erosion phenomenon on the performance of a given gun barrel have been analyzed throughout numerical and experimental studies. Mainly, qualitative observations were performed. Theoretical relations between the evolution of the inner barrel profile and the provided interior ballistics are limited. This paper focuses on the development of a numerical model to predict the engraving resistance evolution in terms of the inner barrel profile ...

Background-oriented schlieren (BOS) technique is a density-based optical measurement technique. BOS measurement is similar to particle image velocimetry (PIV) ones in terms of experiments design and the computation of the displacements. However, in the BOS technique, the reconstruction of the refractive index field involves further mathematical calculations, which depend on the flow geometry, such as Poisson solver, Abel inversion, algebraic ...

This paper presents nonlinear finite element (FE) simulations to predict the structural behavior of simply supported reinforced concrete (RC) slabs retrofitted with carbon fiber reinforced polymer (CFRP) as externally bonded reinforcement (EBR) and subjected to the blast loads in order to evaluate the effectiveness of using the CFRP strips as EBR for blast protection. The objective of this paper is to develop detailed numerical models in order ...

Among several blast mitigation methods, the use of lightweight layers, in particular sacrificial cladding, are investigated. The latter consists of a crushable core sandwiched between a front plate and the structure. This paper presents an optimal sacrificial cladding design required to protect a given structural element against a free-air blast loading. The structure property, the fluid-structure interaction and the blast loading are taken into ...

Specific to blast loading, bond shear tests between carbon fiber reinforced polymer (CFRP) strips and concrete have not yet been reported in literature, to the best knowledge of the authors. Given the high potential of strengthening concrete with CFRP to increase blast resistance, it is necessary to better understand the dynamic interaction between concrete and CFRP under blast impulse. This article presents a new experimental setup ...

This paper deals with the non-linear dynamic behavior of thin Aluminium
plates subjected to blast loading. Aluminium plates with grade EN AW-1050A-H24
are studied. The square specimens have an area of interest of 300*300mm2 and
a thickness of 2.5mm. The blast loading is generated using free air blast (FAB)
and explosive driven shock tube (EDST). A numerical finite element model (FEM)
using the commercial software LS-DYNA ...

Carbon/epoxy composites demonstrate significant and promising improvements of the weight-to-performance ratio in the automotive industry. In this paper, their energy absorption performance is thoroughly investigated. Quasi-static and dynamic axial crush tests have been performed on a variety of carbon/epoxy composite tube speci-mens with different thicknesses, layups and architectures (fabric and unidirectional). It is shown that the frequency ...

The dynamic behaviour of structures under
blast wave loading is increasingly studied due to the rising
risks of intentional and accidental explosions and the
development of new protective technologies and methods.
To ensure the efficiency of these protective measures, the
identification of the material behaviour under blast loading
is of utmost importance. This paper investigates the
feasibility of the ...