3 edition of **A fast implicit upwind solution algorithm for three-dimensional unstructured dynamic meshes** found in the catalog.

A fast implicit upwind solution algorithm for three-dimensional unstructured dynamic meshes

- 376 Want to read
- 14 Currently reading

Published
**1991**
by National Aeronautics and Space Administration, Langley Research Center, For sale by the National Technical Information Service in Hampton, Va, [Springfield, Va
.

Written in

- Unsteady flow (Aerodynamics),
- Aeroelasticity.

**Edition Notes**

Statement | John T. Batina. |

Series | NASA technical memorandum -- 104186. |

Contributions | Langley Research Center. |

The Physical Object | |
---|---|

Format | Microform |

Pagination | 1 v. |

ID Numbers | |

Open Library | OL15359133M |

M. Falcone, R. Ferretti, in Handbook of Numerical Analysis, Upwind Discretization. In adapting the upwind scheme to the nonlinear case, it should be taken into consideration that H′(v x) is the propagation speed of the it is perfectly clear how to construct an upwind scheme for a speed of constant sign, care should be taken at points where the speed changes sign. Implicit Upwind Solution Algorithms for Three-Dimensional Unstructured Meshes' (). Inviscid CFD for Store Separation Using Unified Boundary Conditions',Author: Yufeng Yao.

A variable explicit/implicit numerical method is presented for calculating fluid advection on hybrid unstructured meshes. The method is intended for unsteady flows that have a large range of advective time scales, with subregions where the flow may be quasi-steady on time scales of by: In this work, an improved implicit discrete velocity method (DVM) on unstructured meshes is developed for simulation of three-dimensional (3D) flows in all flow regimes. Different from the conventional DVM, in which only the kinetic governing equation (i.e., Boltzmann equation) is resolved in each time step, both the kinetic and macroscopic Cited by: 3.

This paper introduces a new implicit algorithm with second order time accuracy for the time-dependent simulations of the slider dynamics based on the unstructured triangular mesh. The new algorithm is specially developed for the unstructured triangular mesh and the finite volume by: 1. The generation of three‐dimensional unstructured grids using the advancing‐front technique is described. This technique has been shown to be effective for the generation of unstructured grids in two dimensions. 1,2 However, its extension to three‐dimensional regions required algorithms to define the surface and suitable data structures that avoid excessive CPU‐time overheads for the.

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An adaptive, unstructured solver for three dimensional viscous flows on massively parallel computers Recommended A fast implicit upwind solution algorithm for three-dimensional unstructured dynamic meshesCited by: ASSTRACT(Maximumwor_) A fast implicit upwind algorithm for the solution of the time-dependent Euler equations is presented for aerodynamic analysis involving unstructured dynamic meshes.

The spatial dlscretlzatlon of the scheme is based on the upwind approach of Roe referred to as flux-dlfference splitting (FDS). A fast upwind solver for the Euler equations on three-dimensional unstructured meshes.

NEAL FRINK, PARESH PARIKH and SHAHYAR PIRZADEH. A fast implicit upwind algorithm for the solution of the time-dependent Euler equations is presented for aerodynamic analysis involving unstructured dynamic meshes.

The spatial discretization of the scheme is based on the upwind approach of Roe, referred to as flux-difference splitting (FDS). Get this from a library. A fast implicit upwind solution algorithm for three-dimensional unstructured dynamic meshes. [John T Batina; Langley Research Center.].

A fast implicit upwind algorithm for the solution of the time-dependent Euler equations is presented for aerodynamic analysis involving unstructured dynamic meshes. The spatial discretization of the scheme is based on the upwind approach of Roe, referred to as flux-difference splitting (FDS).Author: John T.

Batina. A fast, matrix-free implicit method has been developed to solve the three-dimensional compressible Euler and Navier Stokes equations on unstructured meshes. An approximate system of linear equations arising from the Newton linearization is solved by the GMRES (generalized minimum residual) algorithm with a LU-SGS (lower upper symmetric Gauss.

Implicit flux-split Euler schemes for unsteady aerodynamic analysis involving unstructured dynamic meshes JOHN BATINA 31st Structures, Structural Dynamics. An implicit algorithm for solving time dependent flows on unstructured grids.

A fast implicit upwind solution algorithm for three-dimensional unstructured dynamic meshes. Solution Algorithm For Unstructured Grids Using Quadrilateral Subdivision and Hamiltonian Paths.

A fast, matrix-free implicit method has been developed to solve the three dimensional compressible flow problems on unstructured meshes. A fast, matrix-free implicit method has been developed to solve the three dimensional compressible flow problems on unstructured meshes. An approximate system of linear equations arising from the Newton linearization is solved by the GMRES (Generalized Minimum RESidual) algorithm with a LU-SGS (Lower-Upper Symmetric Gauss-Seidel) by: Techniques for constructing implicit numerical algorithms for the 1-D gasdynamic equations are discussed.

In particular, numerical schemes utilizing Riemann solver based flux formulas are considered. Methods currently used are shown to have degraded temporal Cited by: 3. A Dual-Time Implicit Upwind Scheme for Computing Three-Dimensional Unsteady Compressible Flows Using Unstructured Moving Grids.

Batina, J.T.: Unsteady Euler airfoil solutions using unstructured dynamic meshes. AIAA Journal 28(8), – () CrossRef Google ScholarCited by: 1. This paper introduces a new implicit algorithm with second order time accuracy for the time-dependent simulations of the slider dynamics and available for the unstructured triangular mesh.

The new algorithm is specially developed for the finite volume by: 8. An accurate, fast, matrix-free implicit method has been developed to solve the three-dimensional compressible unsteady flows on unstructured grids.

A nonlinear system of equations as a result of a fully implicit temporal discretization is solved at each time step using a pseudo-time marching by: “A Class of Implicit Upwind Schemes for Euler Simulations with Unstructured Meshes”, Journal of Computational Physics, No.

1, Septemberpp. – Google Scholar Cited by: J.T. Batina, A fast implicit upwind solution algorithm for three-dimensional unstructured dynamic meshes, AIAA Paper[3] N.T. Frink, P. Parikh and S. Pirzadeh, Aerodynamic analysis of complex configurations using unstructured grids, AIAA Paper[4]Cited by: Batina JT () A fast implicit upwind solution algorithm for three-dimensional unstructured dynamics meshes.

AIAA paper Genetic algorithms +. Batina JT () A fast implicit upwind solution algorithm for three-dimensional unstructured dynamics meshes. AIAA paper Google ScholarAuthor: Hong Wang, Hong-Quan Chen, Jacques Periaux.

A fast upwind solver for the Euler equations on three-dimensional unstructured meshesCited by:. CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): Introduction For computing flows on complicated geometries such as multielement airfoils, the use of unstructured grids offers a good alternative to more traditional methods of analysis.

This is primarily due to the promise of dramatically decreased time required to generate grids over complicated geometries.Assessment of implicit operators for the upwind point Gauss–Seidel method on unstructured meshes Article in Computers & Fluids 36(8) September with 31 Reads How we measure 'reads'.A fast implicit upwind algorithm for the solution of the time-dependent Euler equations is presented for aerodynamic analysis involving unstructured dynamic meshes.