𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Numerical simulation of viscous flow over non-smooth surfaces

✍ Scribed by Lixia Ding; Weiping Shi; Hongwen Luo

Publisher
Elsevier Science
Year
2011
Tongue
English
Weight
593 KB
Volume
61
Category
Article
ISSN
0898-1221

No coin nor oath required. For personal study only.

✦ Synopsis

The incompressible viscous flow over several non-smooth surfaces is simulated numerically by using the lattice Boltzmann method. A numerical strategy for dealing with a curved boundary with second-order accuracy for velocity field is presented. The drag evaluation is performed by the momentum-exchange method. The streamline contours are obtained over surfaces with different shapes, including circular concave, circular convex, triangular concave, triangular convex, regular sinusoidal wavy and irregular sinusoidal wavy, are obtained. The flow patterns are discussed in detail. The velocity profiles over different kinds of non-smooth surfaces are investigated. The numerical results show that the lattice Boltzmann method is reliable, accurate, easy to implement, and can provide valuable help for some engineering practices.

πŸ“œ SIMILAR VOLUMES

Numerical simulation of viscous flow: Bu
Numerical simulation of viscous flow: Buckling of planar jets
✍ Murilo F. Tome; Sean Mckee πŸ“‚ Article πŸ“… 1999 πŸ› John Wiley and Sons 🌐 English βš– 119 KB πŸ‘ 1 views

The phenomenon of viscous fluid buckling has a long and distinguished history, dating back to Taylor (1968). This paper is concerned with demonstrating that a numerical method, GENSMAC, is capable of simulating this physical instability. A table of the parameter values (e.g. the Reynolds number, the

Numerical simulations of viscous flows u
Numerical simulations of viscous flows using a meshless method
✍ Changfu You; Yi Qiu; Xuchang Xu; Delong Xu πŸ“‚ Article πŸ“… 2008 πŸ› John Wiley and Sons 🌐 English βš– 215 KB

## Abstract This paper uses the element‐free Galerkin (EFG) method to simulate 2D, viscous, incompressible flows. The control equations are discretized with the standard Galerkin method in space and a fractional step finite element scheme in time. Regular background cells are used for the quadratur