3 edition of Numerical simulation of three-dimensional self-gravitating flow found in the catalog.
Numerical simulation of three-dimensional self-gravitating flow
by National Aeronautics and Space Administration, Langley Research Center, National Technical Information Service, distributor in Hampton, Va, [Springfield, Va
Written in English
|Other titles||Numerical simulation of three dimensional ....|
|Statement||John V. Shebalin.|
|Series||ICASE report -- no. 93-60., NASA technical memorandum -- 109021.|
|Contributions||Langley Research Center.|
|The Physical Object|
Abstract. Numerical investigation of three-dimensional flows requires, in general, a large amount of computations, which is caused, to a great extent, by more severe restrictions on the allowable value of time increment and the lower convergence rate of the iterative procedures as compared with one- and two-dimensional by: 4. Vortex Methods for Direct Numerical Simulation of Three-Dimensional Bluff Body Flows: Application to the Numerical investigation of transitional and weak turbulent flow past a sphere. It was found that the first transition of the flow past a sphere is a linear one and leads to a three-dimensional steady flow field with planar symmetry Cited by:
The numerical simulation of two-dimensional fluid flow with strong shocks Article (PDF Available) in Journal of Computational Physics 54(1) April with 1, Reads How we measure. Numerical Simulation for Three Dimensional Elastic-Plastic Contact with Hardening Behavior Fan Wang, F., and Keer, L. M. (Ma ). "Numerical Simulation for Three Dimensional Elastic-Plastic Contact with Hardening Behavior." ASME. J. Tribol. July ; (3): – Numerical Simulation of Spatial Synergic Interaction in Cited by:
A direct numerical simulation (DNS) has been performed of turbulent channel flow over a three-dimensional Cartesian grid of 30 × 20 × 9 cubes in, respectively, the streamwise, spanwise, and wall-normal direction. The grid of cubes mimics a permeable wall with a porosity of The flow field is resolved with × × mesh points. To enforce the no-slip and no-penetration Cited by: This paper presents results from three-dimensional numerical simulations that were conducted to study the helical secondary current (HSC) and the near-field flow distribution around one SW. The simulated flow fields around a SW in a scale physical model were validated using experimental data.
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The three-dimensional flow of a self-gravitating fluid is numerically simulated using a Fourier pseudospectral method with a logarithmic variable formulation. Two cases with zero total angular momentum are studied in detail, a 32^3^ simulation (Run A) and a 64^3^ simulation (Run B).Author: John V.
Shebalin. A solution code of the Stokes flow system in three dimensions under a self-gravitating field was developed with a free surface in order to simulate the long-time scale evolution of the solid earth system on the massively parallel-vector super computer Earth Simulator 2 (ES2).Cited by: 4.
Get this from a library. Numerical simulation of three-dimensional self-gravitating flow. [John V Shebalin; Langley Research Center.].
The three-dimensional flow of a self-gravitating fluid is numerically simulated using a Fourier pseudospectral method with a logarithmic variable formulation. Two cases with zero total angular momentum are studied in detail, a 32(exp 3) simulation (Run A) and a 64(exp 3) simulation (Run B).
The three-dimensional flow of a self-gravitating fluid is numerically simulated using a Fourier pseudospectral method with a logarithmic variable formulation. Two cases with zero total angular momentum are studied in detail, a 32(exp 3) simulation (Run A) and a 64(exp 3) simulation (Run B).Author: J.
Shebalin. The three-dimensional flow of a self-gravitating fluid is numerically simulated using a Fourier pseudospectral method with a logarithmic variable formulation. Two cases with zero total angular momentum are studied in detail, a simulation (Run B). generation of the first successful numerical simulation of a three-dimensional laminar lid-driven cavity flow.
The subsequent sections of this paper discuss, first, the experimental facility and. This paper uses a numerical simulation approach to examine the relative importance of generating mechanisms of time- averaged flow structure at confluences. In particular, the paper seeks to explore how reach-scale pressure gradients interact with topographic steering to produce particular flow Cited by: Previous three‐dimensional simulations of the lid‐driven cavity flow have reproduced only the most general features of the flow.
Improvements to a finite difference code, REBUFFS, have made possible the first completely successful simulation of the three‐dimensional lid‐driven cavity by: This paper presents a numerical method for simulating flow fields in a stochastic porous medium that satisfies locally the Darcy equation, and has each of its hydraulic parameters represented as one realization of a three-dimensional random field.
These are generated by using the Turning Bands method. Our ultimate objective is to obtain statistically meaningful solutions in order to check and Cited by: Kost A., Mitra N.K., Fiebig M. () Numerical Simulation of Three-Dimensional Unsteady Flow in a Cavity. In: Deville M., Lê TH., Morchoisne Y.
(eds) Numerical Simulation of 3-D Incompressible Unsteady Viscous Laminar Flows. Notes on Numerical Fluid Mechanics (NNFM), vol Vieweg+Teubner Verlag, WiesbadenCited by: 5. In this book we present the elements of a general theory for ﬂo ws on three-dimensional compact boundaryless manifolds, encompassing ﬂows with equilibria accumulated by regular orbits.
The main motivation for the development of this theory was the Lorenz equations whose numerical solution suggested the existence of a robustFile Size: 2MB.
 A hydrogeomechanical numerical model is presented to evaluate three‐dimensional groundwater flow and land deformation in unsaturated true anisotropic aquifers due to groundwater pumping. This multidimensional numerical model is developed on the basis of the fully coupled poroelastic governing equations for saturated‐unsaturated groundwater flow in deforming true Cited by: Three-dimensional numerical simulation of fully coupled groundwater flow and land deformation due to groundwater pumping in an unsaturated fluvial aquifer system - ScienceDirect.
Skip to main content Skip to by: It is assumed that the air flow in the heat exchanger is a three-dimensional, viscous, steady, incompressible turbulent flow, and that the physical properties of the air are constant. The finned tubes are made of carbon steel with constant thermal by: 5.
The Proceedings: Fifth International Conference on Numerical Ship Hydrodynamics () Chapter: Numerical Simulation of Three-Dimensional Viscous Flow around a Submersible Body. Numerical simulations of granular assemblies with three-dimensional ellipsoid-shaped particles.
View/ Open. NQpdf (Mb) Date Author. Numerical simulations of granular assemblies with three-dimensional ellipsoid-shaped particles. View/ Open. NQpdf (Mb) Date Cited by: 5. The simulation method, including modeling and numerics is implemented within a software framework for the generic solution of complex rheology problems developed by the author which results in this in-itself closed method for the numerical simulation of granular by: 6.
Abstract. A numerical model is presented for the simulation of free surface flows. The unknowns are the volume fraction of liquid, the velocity and pressure in the liquid and the pressure in the bubbles of gas which can appear in the liquid by: 3.
Numerical approaches to simulate viscous hypersonic flows in the continuum- as well as in the gaskinetic-flow regimes are discussed with emphasis on three-dimensional flows.
The ideal-gas continuum flow is simulated with an explicit/implicit finite-difference method for the thin-layer approximation of the time-dependent Navier-Stokes : W.
Kordulla, B. Müller, S. Riedelbauch, W. Wetzel, G. Brenner. Numerical Simulation of Incompressible Laminar Flow over Three-Dimensional Rectangular Cavities 11 March | Journal of Fluids Engineering, Vol.No. 6 Simulation of Supersonic Cavity Flow Using 3D RANS EquationsCited by: For three-dimensional case a/b = 1, the aeroelastic analysis at M ∞ = is performed by the present coupling algorithm.
The flow grids are constructed by an H-type grid consisting of, and 39 points which are used in the streamwise, spanwise and normal directions, : Xiaomin An, Baiyi Qi, Wei Sun, Bin Deng.Numerical simulation of Rhonegletscher from to The sliding law (7) is subject to higher uncertainties than the flow model (1), (2), (3), which has been used in several studies in the by: