Short Communication Finite Element Analysis of Visco-elastic Flow Under High Shear Rate Using the GSMAC-method
作者:
TADAOMI FUJIEDA,
TAKAHIKO TANAHASHI,
期刊:
International Journal of Computational Fluid Dynamics
(Taylor Available online 2000)
卷期:
Volume 13,
issue 2
页码: 203-210
ISSN:1061-8562
年代: 2000
DOI:10.1080/10618560008940898
出版商: Taylor & Francis Group
关键词: Visco-elastic fluid;GSMAC-method;FEM;MUSCL-TVD
数据来源: Taylor
摘要:
In the present work, we carry out a finite element analysis of visco-elastic flows for the multi-mode Giesekus model at high shear rales flow. We have already proposed a new numerical scheme suitable for the analysis of visco-elastic fluids in the previous paper. It is mainly composed of two parts: the MUSCL (Monotone Upstream-centered Scheme for Conservation Law)-TVD (Total Variation Diminishing) for the numerical analysis of the constitutive equation and the GSMAC (Generalized Simplified Maker and Cell)-FEM (Finite Element Method) for the momentum equation. We apply the new scheme for the flows through the contraction plane for the multi-mode Giesekus model that considers eight relaxation modes. It shows suitable matching with experimental data at low shear rates, and we confirm that the results are stable at high shear rates.
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