Download e-book for iPad: Computational Fluid Dynamics for the 21st Century: by Prof. Dr. Mohamed Hafez, Prof. Dr. Koji Morinishi, Prof. Dr.

By Prof. Dr. Mohamed Hafez, Prof. Dr. Koji Morinishi, Prof. Dr. Jacques Periaux (auth.)

ISBN-10: 3540449590

ISBN-13: 9783540449591

ISBN-10: 3642075584

ISBN-13: 9783642075582

This quantity includes new traits of Computational Fluid Dynamics (CFD) for the twenty first Century. It contains 24 papers awarded at a symposium honoring Prof. Nobuyuki Satofuka at the social gathering of his sixtieth birthday, Kyoto, July 15-17, 2000. The contributing authors are from Japan in addition to from the foreign group in Asia, Europe and North the US. the subjects coated during this quantity are Cartesian scheme, gridless scheme, excessive order and new schemes, optimization innovations, parallel computation, incompressible and compressible flows, multi-phase flows and solid/fluid interactions, magneto-hydrodynamics, and circulate visualization ideas. they're specifically worthy to the more youthful iteration of scientists and engineers within the field.

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Additional resources for Computational Fluid Dynamics for the 21st Century: Proceedings of a Symposium Honoring Prof.Satofuka on the Occasion of his 60th Birthday, Kyoto, Japan, July 15–17, 2000

Example text

Figure 11 shows the cubed 26 Figure 10: Generated hierarchical Cartesian grid Figure 11: Cubed sphere coordinate system Table 3: Hierarchical Cartesian grids system Reynolds number 10, 20, 40 , 100, 200, 240 300, 500 1000 Grid levels 5 5 7 Grid points 973,744 1,855,048 3,268,428 Virtual boundary points 153,600 153,600 614,400 Coarsest grid spacing D/4 D/4 D/2 sphere coordinate system used here. Table 3 denotes the Cartesian grid system used in this work. 2 Numerical Results For the incompressible flows past a sphere, it is repoted experimentally and computationally[14,15] that the flow is steady for Re < 280 and transits to turbulent flow for Re> 800.

We have Problems arise when interpolating less regular fund ions with such processes : n, Typica11y, in dimension d = 2 ou 3, a fundion in H 2 (H) is continuolls on while a fundion H I (H) may have a discontinuity along a sllrface of dimension d - 1 (a line for d = 2 and a plane for d = 3). We sha11 study the interpolation on meshes T N with N = NI + N 2 nodes of fllndions 11, E L 2 (H) such that • has a discontinllity along a sm'face S of dimension d - 1 containing NI nodes, and for any small neighbourhood H I of S, we have 1t (assllming that H l is small enough to contain only the NI nodes of S).

4) ean be applied to nonuniform spacing as weIl as uniform spaeing, the points in the finite differenee steneil must be in straight or eurvilinear lines. Namely the applieation is still restricted to struetured grids. This is the signifieant drawback of the finite differenee method eompared with the finite volume and finite element methods. Reeently a gridless type solver, an alternative to the eonventional finite differenee method, has been developed for the eompressible Navier-Stokes equations [2, 3].

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Computational Fluid Dynamics for the 21st Century: Proceedings of a Symposium Honoring Prof.Satofuka on the Occasion of his 60th Birthday, Kyoto, Japan, July 15–17, 2000 by Prof. Dr. Mohamed Hafez, Prof. Dr. Koji Morinishi, Prof. Dr. Jacques Periaux (auth.)


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