Project Title:

An Arbitrary Grid CFD Algorithm for Configuration Aerodynamics

02.07-5494
An Arbitrary Grid CFD Algorithm for Configuration Aerodynamics
Computational Mechanics Consultants, Inc.
3601A Chapman Highway
Knoxville
TN
37920
Baker
A. J.
12347
49,932
ARC

Abstract:

The purpose of this project to develop a CFD numerical solution algorithm for the
three-dimensional Euler/Navier -Stokes equations that does not rely on a well-structured,
body-fitted coordinate system for robustness.  The specific application is for realistic
configuration aerodynamics analysis of high speed mixed supersonic flows at large
Reynolds number.  A theoretical analysis framework is presented that permits enforcement
of proper zones of dependence measureable on an arbitrary mesh.  The computational
mesh itself is formed as the union of tetrahedra, pentahedra and facetted hexahedra,
the combination of which is geometrically completely general admitting arbitrary
local refinement.  Theoretically, CFD algorithm is a weak-statement form of a Taylor
series expansion, which admits arbitrarily complicated test and trial functions.
 The goal of the analysis is to optimize this algorithm to the configuration aerodynamics
problem class with embodiment in a multiprocessing-multitasking computer environment.