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 | Nanotech 2004 Vol. 1
Technical Proceedings of the 2004 NSTI Nanotechnology Conference and Trade Show, Volume 1
Chapter 7: Micro Fluidics and Nanoscale Transport |
| | Application of Local Radial Basis Function-based Differential Quadrature Method in Micro Flows | | Authors: | D. Xu, H. Ding and C. Shu | | Affilation: | Agency for Science Technology and Research, SG | | Pages: | 243 - 246 | | Keywords: | micro fluidics, computational fluid dynamics, BBF-DQ, meshless method | | Abstract: | Numerical simulation of flows in micro geometry is one of the most appealing fields in computational fluid dynamics due to the advent of MEMS. In the present study, a local Radial Basis Function-based Differential Quadrature (RBF-DQ) method is applied to study the flow in micro cavity in the slip flow regime. RBF-DQ method is a natural mesh-free approach. The weighting coefficients of RBF-DQ method are determined by taking Radial Basis Functions (RBF) as test functions instead of using high order polynomials. RBF-DQ method has a unique feature of discretizing derivatives at a knot by a weighted linear sum of functional values at its neighboring knots, which may be distributed randomly. In the paper, two-dimensional incompressible flows in a micro lid-driven cavity are simulated with Knudsen number . Maxwells first-order formula is adopted to treat slip boundary condition on solid walls. | | ISBN: | 0-9728422-7-6 |
| Pages: | 521 |
| Hardcopy: | $150.00 |
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