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Numerical methods for simulating viscoelastic free surface flows

Grant number: 14/21415-7
Support type:Scholarships abroad - Research
Effective date (Start): February 01, 2015
Effective date (End): July 31, 2015
Field of knowledge:Engineering - Mechanical Engineering - Transport Phenomena
Principal researcher:Murilo Francisco Tome
Grantee:Murilo Francisco Tome
Host: Fernando Manuel Coutinho Tavares de Pinho
Home Institution: Instituto de Ciências Matemáticas e de Computação (ICMC). Universidade de São Paulo (USP). São Carlos , SP, Brazil
Research place: Universidade do Porto (UP), Portugal  

Abstract

This work is concerned with the development of novel computational techniques for simulating flows of complex fluids with free surfaces. The governing equations for flows of liquid crystals are analysed and a finite difference method for solving them is developed. The log-conformation tensor technique is applied to flows governed by the constitutive differential models Oldroyd-B, Giesekus, FENE-P, algebraic and integral constitutive models are also considered. Finite difference techniques for treating these models for free surface flows in 2 and 3 dimensions are developed. Non-isothermal viscoelastic free surface flows are also investigated. (AU)

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