A Primer on Experimental and Computational Rheology with Fractional Viscoelastic Constitutive Models

• Tipo: Artigo em Livro de Atas de Conferência Internacional
• Data: 2017

Autores

Ferras, LL (Autor) Outra; Ford, NJ (Autor) Outra; Morgado, ML (Autor) Outra; Rebelo, M (Autor) Outra; McKinley, GH (Autor) Outra; Nobrega, JM (Autor) Outra

Ata de Conferência Internacional

Título: NOVEL TRENDS IN RHEOLOGY VII

Conference on Novel Trends in Rheology VII

Tomas Bata Univ Zlin, Zlin, CZECH REPUBLIC, JUL 26-27, 2017

Indexação

ISI Web of Knowledge - 7 Citações

Scopus - 11 Citações

Outras Informações

ID Authenticus: P-00M-V29

DOI: 10.1063/1.4982977

Abstract (EN): This work presents a brief introduction to fractional calculus and its application to some problems in rheology. We present two different viscoelastic models based on fractional derivatives (the Fractional Maxwell Model - FMM and the Fractional Viscoelastic Fluid - FVF) and discuss their reduction to the classical Newtonian and Maxwell fluids. A third model is also studied (an extension of the FMM to an invariant form), being given by a combination of the K-BKZ integral model with a fractional memory function which we denote the Fractional K-BKZ model. We discuss and illustrate the ability of these models to fit experimental data, and present numerical results for simple stress relaxation following step strain and steady shearing.

Idioma: Inglês

Tipo (Avaliação Docente): Científica

Nº de páginas: 13