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 | Nanotech 2001 Vol. 1
Technical Proceedings of the 2001 International Conference on Modeling and Simulation of Microsystems
Chapter 2: Numerics, Algorithms |
| | Modeling of Ionic Hydrogel Kinetics in Buffered Solutions | | Authors: | R.R. Ohs, S.K. De and N.R. Aluru | | Affilation: | University of Illinois at Urbana-Champaign, U.S.A. | | Pages: | 7 - 10 | | Keywords: | hydrogels, simulation, swelling, experiments, meshless method | | Abstract: | In this paper, we present the meshless Finite Cloud Method (FCM) for the solution of a time-dependent partial differential equation governing ionic gel swelling. Using a point distribution, FCM constructs interpolation functions without assuming any connectivity between points. A collocation approach forces the unknowns at every point to satisfy the governing equation or boundary condition. To validate the model, a cylindrical hydrogel was fabricated and subjected to step changes in solution pH to characterize the hydrogel's dynamic behavior. The hydrogel's equilibrium behavior was matched using a thermodynamic model. Numerical results show good agreement with experimental data. |  | View paper | | ISBN: | 0-9708275-0-4 |
| Pages: | 638 |
| Hardcopy: | $100.00 |
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