Combining CVFEM and meshless front tracking in Hele–Shaw mold filling simulation | Zendy

Estacio K. C. | Zendy; ato L. G. | Zendy; Mangiavacchi N. | Zendy; Carey G. F. | Zendy

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Combining CVFEM and meshless front tracking in Hele–Shaw mold filling simulation

Author(s) -

Estacio K. C.,

ato L. G.,

Mangiavacchi N.,

Carey G. F.

Publication year - 2008

Publication title -

international journal for numerical methods in fluids

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.938

H-Index - 112

eISSN - 1097-0363

pISSN - 0271-2091

DOI - 10.1002/fld.1732

Subject(s) - finite element method , mechanics , finite volume method , viscosity , newtonian fluid , isothermal process , front (military) , mathematics , physics , thermodynamics , mechanical engineering , engineering

In this work, a generalized Hele–Shaw approach is developed for non‐isothermal, non‐Newtonian and inelastic flows arising in injection molding. The advancing free surface of the injected fluid is predicted by a novel meshless front‐tracking method coupled to control volume finite element solution for the pressure. A modified Cross constitutive model with Arrhenius temperature dependence is employed to describe the viscosity of the melt and the temperature field is solved by a semi‐Lagrangian scheme with a finite volume method. The utility of the combined algorithm is demonstrated for a test problem that has complex ‘obstacles’ in the mold interior. Copyright © 2008 John Wiley & Sons, Ltd.

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