Search Results - "Guines, D."

Strength characterization of glass/epoxy plain weave composite under different biaxial loading ratios by Kobeissi, A, Rahme, P, Leotoing, L, Guines, D

“…Over the past years, various studies have been investigated in order to characterize the behavior of composite materials under different multi-axial loading…”
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Investigation of the forming limit strains at fracture of AA5086 sheets using an in-plane biaxial tensile test by Song, X., Leotoing, L., Guines, D., Ragneau, E.

“…•An in-plane biaxial tensile test is proposed to determine limit strains at fracture.•Strain path is controlled by displacements in two directions of cruciform…”
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Characterization of forming limits at fracture from shear to plane strain with a dedicated cruciform specimen by Wang, Z., Guines, D., Chu, X., Leotoing, L.

“…Biaxial tensile test has been drawing attention as an effective approach to characterize sheet metal formability. In this research, a new cruciform specimen is…”
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Relevant material characterization for load prediction in incremental forming by Abdelkefi, A., Guines, D., Léotoing, L., Thuillier, S.

“…Robotic incremental sheet forming has arisen a recent industrial interest, as a more flexible and cost-effective solution to the process using rigid computer…”
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Off-line compensation of the tool path deviations on robotic machining: Application to incremental sheet forming by Belchior, J., Guillo, M., Courteille, E., Maurine, P., Leotoing, L., Guines, D.

“…In this paper, a coupling methodology is involved and improved to correct the tool path deviations induced by the compliance of industrial robots during an…”
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Effects of Strain Path Changes on the Kinematics and the Intrinsic Dissipation Accompanying PLC Bands in Al-Mg Alloys by Leotoing, L., Guines, D., Robin, E., Le Cam, J.-B.

“…Plastic instabilities, such as the Portevin-Le Chatelier (PLC) effect, reduce material ductility and induce surface roughness during sheet metal forming. The…”
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A Process/Machine coupling approach: Application to Robotized Incremental Sheet Forming by Belchior, J., Leotoing, L., Guines, D., Courteille, E., Maurine, P.

“…In this paper, a Process/Machine coupling approach applied to Robotized Incremental Sheet Forming (RISF) is presented. This approach consists in coupling a…”
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Two-step procedure for identification of metal behavior from dynamic compression tests by Diot, S., Guines, D., Gavrus, A., Ragneau, E.

“…Simulation of forming processes requires accurate constitutive models describing material behavior at large strains up to 150% and intermediate strain rates up…”
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Analytical and numerical analysis of a “springback-forming” process dedicated to stiffened panels by Ait ali, M.E., Guines, D., Leotoing, L., Ragneau, E.

“…The aim of this paper is to present and to analyze the capabilities of a process named “springback-forming”, dedicated to stiffened panels such as airplane׳s…”
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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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Prediction and characterization of forming limits at necking from shear to equi-biaxial loading using the biaxial tensile testing method: Feasibility study and application to AA6061-T4 by Wang, Z., Guines, D., Chu, X., Leotoing, L.

“…Determination of forming limit curve (FLC) over a wide range of strain paths can provide a more thorough understanding of sheet metal formability. In this…”
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A biaxial test for rheological and formability identification by Brémand, Fabrice, Zidane, I., Guines, D., Léotoing, L., Ragneau, E.

“…Accurate constitutive laws and formability limits of materials are essential for a numerical optimization of sheet forming processes. The main objective of…”
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3D Finite-Element Simulation of a Square Silo with Flexible Walls by Guines, Dominique, Ragneau, Eric, Kerour, Brahim

“…Most of the studies that have been published to evaluate stresses on silo walls during filling or discharge stages are based on a rigid wall assumption. In a…”
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Identification of thermo-viscoplastic behavior for AA6061 under in-plane biaxial loadings by Liang, J., Guines, D., Leotoing, L.

“…This work aims to investigate the thermo-visco-plastic behavior of an aluminum alloy (AA6061) sheet metal submitted to in-plane biaxial loadings under warm…”
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Characterization of forming limits at fracture with an optimized cruciform specimen: Application to DP600 steel sheets by Song, X., Leotoing, L., Guines, D., Ragneau, E.

“…In order to identify experimental limit strains at fracture for metallic sheets under in-plane biaxial loadings, a specific specimen shape has to be defined…”
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Potential of the Cross Biaxial Test for Anisotropy Characterization Based on Heterogeneous Strain Field by Zhang, S., Léotoing, L., Guines, D., Thuillier, S.

“…The mechanical behavior in cross biaxial tension was investigated for two metallic sheets, an aluminium alloy and a dual phase steel. The heterogeneous strain…”
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Evaluation of high performance computing platforms for drug discovery by Guerrero, Guinés D

“…In my dissertation, we evaluate the current landscape of computation, using as a case study a high-impact problem for society as virtual screening. Virtual…”
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A Comparative Study of Different Necking Criteria for Numerical and Experimental Prediction of FLCs by Zhang, Cunsheng, Leotoing, Lionel, Zhao, Guoqun, Guines, Dominique, Ragneau, Eric

“…For sheet metal forming, the determination of the onset of localized necking directly influences the formability evaluation and construction of forming limit…”
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Numerical modeling of integrally stiffened structures forming from creep age forming technique by Guines, D., Gavrus, A., Ragneau, E.

“…Creep age-forming process has been developed and used to manufacture complex-shaped panel components in aerospace applications to improve performance and to…”
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Effects of a strain rate sensitive material on the optimization of an hydroforming process by Zhang, C., Leotoing, L., Guines, D., Ragneau, E.

“…The hydroforming process of a T-tube is simulated with the finite element code ABAQUS. The influence of the internal pressure and the axial displacement levels…”
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