PROGRESS TOWARDS A 3 D AERODYNAMIC SHAPE OPTIMIZATIONTOOL FOR THE COMPRESSIBLE , HIGH - Re NAVIER - STOKESEQUATIONS DISCRETIZED ON UNSTRUCTURED MESHES

نویسنده

  • Jonathan Elliott
چکیده

We report on recent progress towards the development of a 3D optimization capability for transonic ow at high Reynolds numbers. In this paper we demonstrate optimization based on the 3D laminar Navier-Stokes equation, and we present validation of the ow analysis scheme based on the 2D Navier-Stokes equations with turbulence modelling.

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

AIAA 2004–0533 Aerodynamic Shape Optimization of Complete Aircraft Configurations using Unstructured Grids

Adjoint based shape optimization methods have proven to be computationally efficient for aerodynamic problems. The majority of the studies on adjoint methods have used structured grids to discretize the computational domain. Due to the potential advantages of unstructured grids for complex configurations, in this study we have developed and validated a continuous adjoint formulation for unstruc...

متن کامل

A Parallel Compressible 3D Navier-Stokes Solver Using Unstructured Meshes

We describe in this paper a strategy for parallelising a 3D compressible Navier-Stokes solver using unstructured meshes on a class of message-passing MIMD machines. The performance results obtained on two parallel machines, the Meiko Concerto and Intel iPSC860 are presented and compared to those obtained on CRAY.

متن کامل

An Agglomerated Multigrid Method on Unstructured Hybrid Grids for Turbulent Compressible Flow

A multigrid accelerated Navier–Stokes solver, utilizing mesh agglomeration on hybrid meshes is described. The governing equations are discretized by a finite volume approach where stabilisation and discontinuity capturing is achieved by the use of a JST flux function on each edge. The method is an attempt to reduce computational cost of viscous calculations on unstructured meshes and some examp...

متن کامل

Analysis and shape optimization in incompressible flows with unstructured grids

The aim of this study is to develop and validate numerical methods that perform shape optimization in incompressible flows using unstructured meshes. The three-dimensional Euler equations for compressible flow are modified using the idea of artificial compressibility and discretized on unstructured tetrahedral grids to provide estimates of pressure distributions for aerodynamic configurations. ...

متن کامل

Schwarz Methods for the Unsteady Compressible Navier Stokes Equations on Unstructured Meshes

Overlapping Schwarz is a family of preconditioners for solving large sparse linear systems arising from the discretization of partial di erential equations see e g CS DW SBG Here we report on our preliminary experiences on using it in the implicit solution of unsteady Navier Stokes N S equations discretized on two dimensional unstructured meshes One of the advantages of implicit methods is that...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

عنوان ژورنال:

دوره   شماره 

صفحات  -

تاریخ انتشار 1998