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Title of Journal: Int J Mater Form

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Abbravation: International Journal of Material Forming

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Springer-Verlag

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1960-6214

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Multiscale simulation of mixing processes using 3D

Authors: R Valette B Vergnes T Coupez
Publish Date: 2008/03/30
Volume: 1, Issue: 1, Pages: 1131-1134
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Abstract

This work focuses on the development of a general finite element code called Ximex® devoted to the threedimensional direct simulation of mixing processes of complex fluids The code is based on a simplified fictitious domain method coupled with a “levelset” approach to represent the rigid moving boundaries such as screws and rotors as well as free surfaces These techniques combined with the use of parallel computing allow computing the timedependent flow of generalized Newtonian fluids in large and complex processes involving moving free surfaces which are treated by a levelset/HamiltonJacobi method Two flow case studies will be presented in this paper the flow within a twinscrew extruder and the flow in a batch mixer

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