Direct coupling methods for time-accurate solution of incompressible Navier-Stokes equations

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Published **1992**
by National Aeronautics and Space Administration, National Technical Information Service, distributor in [Washington, DC], [Springfield, Va.? .

Written in English

- Navier-Stokes equations.,
- Poisson"s equation.

**Edition Notes**

Statement | Woo Y. Soh. |

Series | NASA contractor report -- 189177., NASA contractor report -- NASA CR-189177. |

Contributions | United States. National Aeronautics and Space Administration. |

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

Format | Microform |

Pagination | 1 v. |

ID Numbers | |

Open Library | OL16953737M |

Get this from a library! Direct coupling methods for time-accurate solution of incompressible Navier-Stokes equations. [Woo Y Soh; United States. National Aeronautics and . COMPUTER METHODS IN APPLIED MECHANICS AND ENGINEERING 75 () NORTH-HOLLAND TIME ACCURATE SOLUTIONS OF THE INCOMPRESSIBLE AND THREE-DIMENSIONAL NAVIER-STOKES EQUATIONS Harry A. DWYER and Sokol IBRANI Department of Mechanical Engineering, University of California, Davis, Davis, California, U.S.A. by: 4. A new pressure formulation for splitting methods is developed that results in high-order time-accurate schemes for the solution of the incompressible Navier-Stokes equations. A new pressure formulation for splitting methods is developed that results in high-order time-accurate schemes for the solution of the incompressible Navier-Stokes equations. In particular, improved pressure boundary conditions of high order in time are introduced that minimize the effect of erroneous numerical boundary layers induced by Cited by:

Solution methods for the Unsteady Incompressible Navier-Stokes Equations. MEB/3/GI 2 Again an analytical solution of the Navier-Stokes equations can be derived: Unsteady Flow – Impulsive start-up of a plate For time-accurate simulations File Size: KB. The full Navier‐Stokes equations are written in finite‐difference form, and the solution is accomplished by finite‐time‐step advancement. The primary . well as time-accurate solutions. To demonstrate this capability, computed results for a wingtip wake vortex flowfield is presented in detail. In the following section, the governing equations and the present fractional step algorithm for the so- lution of the incompressible Navier-Stokes equations will be Size: 1MB. ing a time-accurate solution for an incompressible flow arises from the fact that the continuity equation does not contain the time-derivative explicitly. The constraint of mass conservation is achieved by an implicit coupling between the continuity equation and the pressure in the momentum equations.

The solution of the incompressible Navier Stokes equations is discussed in this chapter and that of the compressible form postponed to Chapter It may appear logical to consider the two together and this can be done readily to the boundary layer equations, where the equation representing conservation of energy has to be added to complete the. The full text of this article hosted at is unavailable due to technical difficulties. C.H. Liu and D.Y.C. Leung, Development of a finite element solution for the unsteady Navier–Stokes equations using projection method and fractional-θ-scheme, Computer Methods in Applied Mechanics and Engineering, , , (), (). A time-accurate Cartesian grid based Navier-Stokes immersed boundary solver was utilized in the current study. The numerical results indicate that the pleated airfoil at a zero degree angle-of-attack generates the least drag despite its unconventional shape.

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