Search Results - "Laure, Patrice"

Massively parallel anisotropic mesh adaptation by Digonnet, Hugues, Coupez, Thierry, Laure, Patrice, Silva, Luisa

“…Mesh adaptation has proven to be very efficient for simulating transient multiphase computational fluid dynamics applications. In this work, we present a new…”
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Octree Optimized Micrometric Fibrous Microstructure Generation for Domain Reconstruction and Flow Simulation by Aissa, Nesrine, Douteau, Louis, Abisset-Chavanne, Emmanuelle, Digonnet, Hugues, Laure, Patrice, Silva, Luisa

“…Over recent decades, tremendous advances in the field of scalable numerical tools and mesh immersion techniques have been achieved to improve numerical…”
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A new three-dimensional mixed finite element for direct numerical simulation of compressible viscoelastic flows with moving free surfaces by Silva, Luisa, Valette, Rudy, Laure, Patrice, Coupez, Thierry

“…A Mixed Finite Element (MFE) method for 3D non-steady flow of a viscoelastic compressible fluid is presented. It was used to compute polymer injection flows in…”
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3D real time and in situ observation of the fibre orientation during the plane strain flow of concentrated fibre suspensions by Laurencin, T., Dumont, Pierre J.J., Orgéas, Laurent, Corre, Steven Le, Martoïa, Florian, Rolland du Roscoat, Sabine, Laure, Patrice

“…•In situ rheology experiments using fast X-ray synchrotron microtomography.•3D images of non-Newtonian concentrated fibre suspensions during compression.•Large…”
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Foaming parameter identification of polyurethane using FOAMAT® device by Raimbault, Clément, Laure, Patrice, François, Guillaume, Boyer, Séverine, Vincent, Michel, Choquart, François, Agassant, Jean‐Francois

“…A key problem in the modeling of polyurethane (PU) foaming is the determination of relevant physical parameters for the viscosity, the gas expansion, and the…”
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A multiphase Eulerian approach for modelling the polymer injection into a textured mould by Nakhoul, Rebecca, Laure, Patrice, Silva, Luisa, Vincent, Michel

“…Micro-injection moulding is frequently used for the fabrication of devices in many different fields such as micro-medical technologies, micro-optics and…”
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Fibre kinematics in dilute non-Newtonian fibre suspensions during confined and lubricated squeeze flow: Direct numerical simulation and analytical modelling by Laurencin, T., Laure, P., Orgéas, L., Dumont, P.J.J., Silva, L., Rolland du Roscoat, S.

“…•The dumbbell modelling with wall contact can be extended to shear thinning fluid.•The analytical solutions are recovered and confirmed by numerical…”
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3D real-time and in situ characterisation of fibre kinematics in dilute non-Newtonian fibre suspensions during confined and lubricated compression flow by Laurencin, T., Orgéas, L., Dumont, P.J.J., Rolland du Roscoat, S., Laure, P., Le Corre, S., Silva, L., Mokso, R., Terrien, M.

“…The physical and mechanical properties of short fibre-reinforced polymer composites depend on the geometry, content, distribution and orientation of fibres…”
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Precise generation of complex statistical Representative Volume Elements (RVEs) in a finite element context by Hitti, K., Laure, P., Coupez, T., Silva, L., Bernacki, M.

“…► A procedure to generate complex statistical virtual microstructures is described. ► An improvement of a level-set method used to define Voronoï cells is…”
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A spectral approach to inertial confined thin-film flow by Laure, Patrice, Khayat, Roger E.

“…SUMMARY A spectral approach is proposed to determine the flow field of a thin film inside narrow channels of arbitrary shape. Although the method is easily…”
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Numerical investigations of polyester coextrusion instabilities by Mahdaoui, O., Laure, P., Agassant, J.-F.

“…► Two-layer coextrusion process is studied in a complex geometry with finite element computations. ► The viscoelastic behavior is modeled by a multimode…”
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A Monolithic Finite Element Approach to Compute Permeabilityatc Microscopic Scales in LCM Processes by Silva, L., Puaux, G., Vincent, M., Laure, P.

“…In this paper, a numerical approach for permeability determination at the mesoscopic and microscopic scales is proposed. In an eulerian framework, the…”
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Convective linear stability analysis of two-layer coextrusion flow for molten polymers by Valette, R., Laure, P., Demay, Y., Agassant, J.-F.

“…The interface instability of the coextrusion flow of a polyethylene and a polystyrene is studied both experimentally and theoretically in a slit geometry. For…”
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Reactive Functionalized Multilayer Polymers in a Coextrusion Process: Experimental and Theoretical Investigations of Interfacial Instabilities by Lamnawar, K., Maazouz, A., Laure, P.

“…Coextrusion technologies are commonly used to produce multilayered composite sheets or films for a large range of applications from food packaging to optics…”
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Transient two-layer thin-film flow inside a channel by Alba, Kamran, Laure, Patrice, Khayat, Roger E

“…The flow of two superimposed newtonian layers in a channel is investigated numerically in this study. The two-layer film flows inside a long channel due to a…”
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Linear stability of three-layer Poiseuille flow for Oldroyd-B fluids by Scotto, Stéphane, Laure, Patrice

“…The linear stability of three-layer plane Poiseuille flow is studied in the longwave limit and for moderate wavelengths. The fluids are assumed to follow…”
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Modified Lees-Edwards Boundary conditions and viscous contact for numerical simulations of particles in a shear flow by Verdon, Nicolas, Lefebvre-Lepot, Aline, Laure, Patrice, Lobry, Laurent

“…We present a way to handle contacts between rigid particles in shear flow. The influence of such a modeling is shown by studying an example with 13 particles…”
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Contact problems for particles in a shear flow by Verdon, Nicolas, Lefebvre-Lepot, Aline, Lobry, Laurent, Laure, Patrice

“…This paper focuses on improving the description of the contact between solid particles in a fluid flow. The numerical approach used is related to the…”
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Méthodes d'interaction fluide-structure pour la simulation multi-échelles des procédés de mélange = Fluid-structure interaction methods for multiscale simulation of mixing processes by Valette, Rudy, Bruchon, Julien, Digonnet, Hugues, Laure, Patrice, Leboeuf, Mathilde, Silva, Luisa, Vergnes, Bruno, Coupez, Thierry

“…Nous présentons une méthode d'interaction fluide-structure basée sur une approche monolithique eulérienne permettant d'étudier à différentes échelles les…”
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Numerical methods for solid particles in particulate flow simulations by Laure, Patrice, Beaume, Gregory, Basset, Olivier, Silva, Luisa, Coupez, Thierry

“…The flow motion of solid particle suspensions is a fundamental issue in many problems of practical interest. The velocity field of a such system is computed by…”
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