We present a mathematical formulation of kinetic boundary conditions for Lattice Boltzmann schemes in terms of reflection, slip, and accommodation coefficients. It is analytically and numerically shown that, in the presence of a non-zero slip coefficient, the Lattice Boltzmann flow develops a physical slip flow component at the wall. Moreover, it is shown that the slip coefficient can be tuned ...

The article presents the results of a study lubricant flow in narrow wedge-shaped slot with movable wall. A solution to problem slip boundary conditions on channel walls is obtained. effect slippage change hydrostatic lift and hydraulic resistance slotted shown.
 It was determined work that an increase intensity (an value Knudsen number), pressure variation weakens. This due weakening inte...

s | 31 non-pharmacologic treatments have been shown to result in rapid symptom resolution (defined as a sizeable and statistically significant treatment effect versus placebo that is apparent as early as 24 to 72 hours post-initiation of therapy), despite the tremendous need for rapid antidepressant therapies that would allow for meaningful clinical improvements within the context of very short...

DRIFTS and Knudsen cell study of the heterogeneous reactivity of SO2 and NO2 on mineral dust M. Ullerstam, M. S. Johnson, R. Vogt, and E. Ljungström Gothenburg University, Department of Chemistry, SE-41296 Gothenburg, Sweden Copenhagen University, Department of Chemistry, Universitetsparken 5, DK-2100 Copenhagen Ø, Denmark Ford Forschungszentrum GmbH Aachen, Süsterfeldstrasse 200, D-52072 Aache...

THE following case is of interest in that it illustrates the effectiveness of a new penicillin derivative, ampicillin ('Penbritin') (6 D (-) o-amino-phenylacetimido penicillanic acid) which is active against a number of Gram-negative as well as Grampositive organisms. Preliminary reports on Penbritin appeared in the British Medical Journal on July 22, I96I (Rolinson and Stevens, Brown and Acred...

We design a numerical scheme for transport equations with oscillatory periodic scattering coefficients. The scheme is asymptotic preserving in the diffusion limit as Knudsen number goes to zero. It also captures the homogenization limit as the length scale of the scattering coefficient goes to zero. The proposed method is based on the construction of multiscale finite element basis and a Galerk...