Download PDF by M. Napolitano, F. Sabetta: 13th Int'l Conference on Numerical Methods in Fluid Dynamics

By M. Napolitano, F. Sabetta

ISBN-10: 3540563946

ISBN-13: 9783540563945

Those lawsuits of a well-established convention on numerical tools, calculations, and modelling in fluid dynamics concentrates on 5 subject matters: multidimensional upwinding, turbulent flows, area decomposition tools, unstructured grids, and move visualization, and it comprises papers awarded at a workshop on all-vertex schemes. All papers were conscientiously refereed.

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Example text

Sone et al. [15] have studied the structure of a fluid flow governed by the Boltzmann equation in the presence of a physical wall. Consider a compressible steady fluid flow adjacent to some smooth wall ∂Ω, which is given by the Boltzmann equation v · ∇x f (x, v) = 1/ǫ2 · J[f (x, ·), f (x, ·)](v) (27) supplemented by the diffuse boundary condition at a ∈ Ω, f (a, v) = c(a) · mT (a) (v) for n(a), v > 0 . e. to the mean free 52 H. e. n(a), v f (a, v)d3 v = 0 . (30) lR3 In this paper we are interested in the case of small Knudsen number ǫ2 , with the curvature of ∂Ω being large compared to ǫ.

Nikrityuk (Dresden), K. Sankaran (Princeton, USA), T. Sonar (Braunschweig), G. Warnecke (Magdeburg) and W. Wendland (Stuttgart) for their dedication, their patience and their support of our project. 38 J. Heiermann, M. Auweter-Kurtz, C. Sleziona Anode C a th o d e Insulator Fig. 1. MPD thruster: Technical drawing (left), principle of its functionality (right). Fig. 2. 8 g/s. ) Numerics for Magnetoplasmadynamic Propulsion 39 Anode • m Fig. 3. 8 g/s). Fig. 4. 8 g/s. ) 40 J. Heiermann, M. Auweter-Kurtz, C.

Ms ms s s rs 0 (c) Grid. s1 rs s1 0 (a) Pressure. (b) Density. Fig. 17. 01µs, φ = 0 white dashed line. (c) Grid. rs Fig. 18. Absolute value of velocity with integral-curves. Fig. 19. Isolines of Mach number; mach stem (ms), slipline (sl). Wave Processes at Interfaces ms s rs s1 0 Fig. 20. 01µs. t [µ s] t [µ s] x [m] x [m] (b) Density isolines. (a) Pressure isolines with φ = 0 as black dashed line. Fig. 21. Wave dynamics at x-axis for all computed time steps. 23 24 S. Andreae, J. Ballmann, S. :Wave phenomena at liquid-solid interfaces.

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13th Int'l Conference on Numerical Methods in Fluid Dynamics by M. Napolitano, F. Sabetta


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