Search Results - "Grolleau, V."

Reaching Large Strains During Simple Shear Experiments Thanks to Sequential Re-Machining of the Free Edges by Colon, X., Galpin, B., Mahéo, L., Grolleau, V.

“…Background The simple shear experiment is widely used for the calibration of plasticity models due to straightforward post processing. The specimen can be as…”
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Toward the use of small size bulge tests: Numerical and experimental study at small bulge diameter to sheet thickness ratios by Lafilé, V., Galpin, B., Mahéo, L., Roth, C.C., Grolleau, V.

“…•The use of small diameter bulge specimens down to 50 mm is possible.•New estimates of curvature radii and bending strain from 3D-DIC are proposed.•Outer and…”
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Numerical damping of spurious oscillations: a comparison between the bulk viscosity method and the explicit dissipative Tchamwa–Wielgosz scheme by Maheo, L., Grolleau, V., Rio, G.

“…The use of Finite Element and Finite Difference methods of spatial and temporal discretization for solving structural dynamics problems gives rise to purely…”
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High strain rate out‐of‐plane compression of birch plywood from ambient to cryogenic temperatures by Caetano, L., Grolleau, V., Galpin, B., Penin, A., Capdeville, J.‐D.

“…An extensive series of compression tests with birch plywood specimens is conducted in the out‐of‐plane direction. Various experimental conditions are tested…”
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Assessment of tension–compression asymmetry of NiTi using circular bulge testing of thin plates by Grolleau, V., Louche, H., Delobelle, V., Penin, A., Rio, G., Liu, Y., Favier, D.

“…Tension–compression asymmetry in a polycrystalline superelastic NiTi thin sheet is studied by means of circular diaphragm bulging test and tensile tests…”
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Experimental and numerical study of polypropylene behavior using an hyper-visco-hysteresis constitutive law by Zrida, M., Laurent, H., Rio, G., Pimbert, S., Grolleau, V., Masmoudi, N., Bradai, C.

“…The aim of this paper is to study the mechanical behavior of three copolymer polypropylene (PP) and to use a non usual phenomenological three-dimensional…”
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Biaxial Testing of Sheet Materials at High Strain Rates Using Viscoelastic Bars by Grolleau, V., Gary, G., Mohr, D.

“…A dynamic bulge testing technique is developed to perform biaxial tests on metals at high strain rates. The main component of the dynamic testing device is a…”
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High-speed tensile tests on a polypropylene material by Zrida, M., Laurent, H., Grolleau, V., Rio, G., Khlif, M., Guines, D., Masmoudi, N., Bradai, C.

“…The mechanical behaviour of a copolymer polypropylene material (PPC7712) was studied under high strain rate tension loading conditions. For this purpose, a…”
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Modelling the effect of forming history in impact simulations: evaluation of the effect of thickness change and strain hardening based on experiments by Grolleau, V., Galpin, B., Penin, A., Rio, G.

“…Stamping processes induce plastic strain and changes in the thickness, shape and mechanical behaviour of sheet metal parts. Simulated crash tests on vehicles…”
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Numerical prediction of the structural failure of airbag inflators in the destructive testing phase by Fresnel, H., Longère, P., Grolleau, V., Hardy, P., Rio, G.

“…The aim of the present numerical study was to predict the structural failure of airbag inflators undergoing destructive bust tests, while accounting for the…”
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Characterization of the shear behaviour of a thin-walled tubular material by Fresnel, H., Grolleau, V., Longère, P., Rio, G., Hardy, P.

“…This study aims at determining the shear behaviour of a tubular material. Simple shear tests are useful for this purpose, since they yield homogeneous strain…”
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Machinability Improvement of Steels at High Cutting Speeds – Study of Tool/Work Material Interaction by Hamann, J.C., Grolleau, V., Le Maître, F.

“…Special metallurgical treatments after deoxidation of free machining steels allows further improvement in the machinability of these materials using higher…”
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Numerical damping of spurious oscillations: a comparison between the bulk viscosity method and the explicit dissipative TchamwaaWielgosz scheme by Maheo, L, Grolleau, V, Rio, G

“…The use of Finite Element and Finite Difference methods of spatial and temporal discretization for solving structural dynamics problems gives rise to purely…”
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Numerical damping of spurious oscillations: a comparison between the bulk viscosity method and the explicit dissipative Tchamwa–Wielgosz scheme by Mahéo, L., Grolleau, V., Rio, G.

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The mechanical behavior of a slightly compressible rubber-like material : Correlation of simulations and experiments by MOREAU, C, THUILLIER, S, RIO, G, GROLLEAU, V

“…Abstract The purpose of this paper is to present a different approach for modeling the mechanical behavior of a compressible rubber-like material. In this…”
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On the use of some numerical damping methods of spurious oscillations in the case of elastic wave propagation by Mahéo, L., Rio, G., Grolleau, V.

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On the use of some numerical damping methods of spurious oscillations in the case of elastic wave propagation by Maheo, L., Rio, G., Grolleau, V.

“…The use of finite element and finite difference methods of spatial and temporal discretization for solving structural dynamics problems gives rise to purely…”
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Design and application of an instrumented projectile for load measurements during impact by Galpin, Bertrand, Grolleau, Vincent, Umiastowski, Stefan, Rio, Gérard, Mahéo, Laurent

“…No standardised device is available yet to measure contact forces continuously during transverse impacts caused by a projectile on a metal plate or a…”
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