Element-free simulation of dilute polymeric flows using Brownian configuration fields
Article
Article Title | Element-free simulation of dilute polymeric flows using Brownian configuration fields |
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ERA Journal ID | 4959 |
Article Category | Article |
Authors | Tran, Canh-Dung (Author) and Tran-Cong, Thanh (Author) |
Journal Title | Korea-Australia Rheology Journal |
Journal Citation | 16 (1), pp. 1-15 |
Number of Pages | 15 |
Year | 2004 |
Place of Publication | Republic of Korea |
ISSN | 1226-119X |
Abstract | The computation of viscoelastic flow using neural networks and stochastic simulation (CVFNNSS) is developed from the point of view of Eulerian CONNFFESSIT (calculation of non-Newtonian flows: finite elements and stochastic simulation techniques). The present method is based on the combination of radial basis function networks (RBFNs) and Brownian configuration fields (BCFs) where the stress is computed from an ensemble of continuous configuration fields instead of convecting discrete particles, and the velocity field is determined by solving the conservation equations for mass and momentum with a finite point method based on RBFNs. The method does not require any kind of element-type discretisation of the analysis domain. The method is verified and its capability is demonstrated with the start-up planar Couette flow, the Poiseuille flow and the lid driven cavity flow of Hookean and FENE model materials. |
Keywords | Brownian dynamics, RBFN, stochastic simulation, viscoelastic flow, Brownian configuration fields, CONNFFESSIT, finite point method, element-free method |
ANZSRC Field of Research 2020 | 490303. Numerical solution of differential and integral equations |
401706. Numerical modelling and mechanical characterisation | |
Public Notes | © 2004 by The Korean Society of Rheology. |
Byline Affiliations | Computational Engineering and Science Research Centre |
Institution of Origin | University of Southern Queensland |
https://research.usq.edu.au/item/q0795/element-free-simulation-of-dilute-polymeric-flows-using-brownian-configuration-fields
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