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ENCIT 2020
18th Brazilian Congress of Thermal Sciences and Engineering
STRUCTURAL ELASTO-VISCOPLASTIC FLOW: A NUMERICAL STUDY
Submission Author:
Vitor Dal Bo Abella , Procurando endereço...
Co-Authors:
Vitor Dal Bo Abella, Natan Alexandre de Oliveira, Sergio Frey
Presenter: Vitor Dal Bo Abella
doi://10.26678/ABCM.ENCIT2020.CIT20-0809
Abstract
This article carries on a stabilized finite element approximations for inertialess flows of structured elasto-viscoplastic materials. The mechanical modeling is based on the classic mass and momentum conservation equations for incompressible materials coupled with a viscoelastic equation that takes into account the dependence of relaxation time and viscosity on Rheology. To approximate this mechanical model a stabilized finite element formulation is applied in terms of the extra stress tensor, the pressure field, and velocity vector. Numerical results intend to perform a numerical investigation of the influence of the yield stress on the flow pattern.
Keywords
viscoplasticicity, structured fluids, Elasticity, contraction flow, stabilized finite element method
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