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3D modelling of doped and multi-materials during sintering of a granular packing

Howatchinou Tossoukpe 1, 2, 3 François Valdivieso 1, 2, 3 Julien Bruchon 1, 2, 3 Sylvain Drapier 1, 2, 3
1 MPE-ENSMSE - Département Mécanique et Procédés d'Elaboration
2 SMS-ENSMSE - Centre Science des Matériaux et des Structures
3 LGF-ENSMSE - Laboratoire Georges Friedel
Abstract : This paper presents a level set framework for the modelling of doping effect during surface diffusion phenomena in a granular packing. The molecular flux of the doped compound is related to the chemical potentials of all the diffusion species. The evolution of the grain compact is simulated in three dimensions, based on the resulting kinetic law relating the surface diffusion velocity to the thermodynamic driving force. An anisotropic adaptive mesh, based on the level set function properties is used to refine the mesh in the surroundings of the grain surface. The simulations have been perfomed by using parallel computing strategy.
Keywords : Doping mass transport surface diffusion level set method finite element MASS-TRANSPORT IONIC SOLIDS SURFACE
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Journal articles
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https://hal-emse.ccsd.cnrs.fr/emse-00963557
Contributor : Géraldine Fournier-Moulin <>
Submitted on : Friday, March 21, 2014 - 2:54:00 PM
Last modification on : Wednesday, June 24, 2020 - 4:19:08 PM

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Howatchinou Tossoukpe, François Valdivieso, Julien Bruchon, Sylvain Drapier. 3D modelling of doped and multi-materials during sintering of a granular packing. Key Engineering Materials, Trans Tech Publications, 2013, 554-557, pp.724-731. ⟨10.4028/www.scientific.net/KEM.554-557.724⟩. ⟨emse-00963557⟩

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