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논문 기본 정보
- 자료유형
- 학술대회자료
- 저자정보
- 발행연도
- 2010.11
- 수록면
- 3,211 - 3,216 (6page)
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초록· 키워드
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The aim of this study is to generate a robust and efficient matrix-free Inexact Newton-Krylov solver (INGMRES) for the numerical investigation of non-isothermal viscoelastic flow. The rotating disc in a cylindrical enclosure (RDCE) is selected as the application problem since it is one of the basic geometries of the rheometry applications. The viscoelastic behavior of the fluid inside the container is modeled by adopting Upper Convected Maxwell (UCM), Oldroyd B and Giesekus constitutive relations; however only the results of the Giesekus are revealed. The effects of the flow elasticity, viscous dissipation and some material parameters are investigated. Newton type solvers are shown to be efficient for the differential viscoelastic constitutive models and overcome the difficulty of the high Weissenberg number problems. The results revealed that the viscous dissipation and temperature dependence of the viscosity should be modeled in order to obtain accurate results.
목차
Abstract
1. Introduction
2. Governing Equations
3. Solution Method
4. Results
5. Conclusions and Future Work
References
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UCI(KEPA) : I410-ECN-0101-2012-550-003942572