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Title: Oscillatory torsional flow of a viscoelastic solid
Authors: Phan-Thien, N. 
Keywords: Finite differences
Solid mechanics
Stability analysis
Torsional flow
Issue Date: Aug-2002
Citation: Phan-Thien, N. (2002-08). Oscillatory torsional flow of a viscoelastic solid. Computational Mechanics 29 (2) : 143-150. ScholarBank@NUS Repository.
Abstract: We show that a voscoelastic solid, modelled by a three-dimensional analogue of the Kelvin-Meyer-Voigt equation (the neo-Hookean rubber-like body and the Oldroyd-B element in parallel), has an exact similarity solution in the torsional flow geometry, including inertia. Numerical results obtained by a finite difference method for the oscillatory torsional flow indicate that the flow loses its stability at high amplitudes of oscillations. This is partly explained by a linear stability analysis of a simpler flow generated by a constant angular displacement.
Source Title: Computational Mechanics
ISSN: 01787675
DOI: 10.1007/s00466-002-0325-z
Appears in Collections:Staff Publications

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