Three dimensional flow of thixotropic materials in a channel with a sudden expansion using a phenomenological constitutive relation
AuthorAlexandrou, Andreas N.
PublisherAffiliation: WPI, Worcester, United States
Correspondence Address: Alexandrou, Andreas N.
WPI, Worcester, United States
SourceLight Metals: Proceedings of Sessions, TMS Annual Meeting (Warrendale, Pennsylvania)
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A constitutive relation is proposed that is capable of predicting a wide range of experimental rheological behavior depending on the proper choice of the parameters. The model represents the otherwise discontinuous Bingham behavior as a continuous model. This model is simple and easy for numerical implementation and therefore can be used in the modeling of other materials processing problems.