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COUPLING GRID ADAPTION TO AN IMPLICIT NAVIER-STOKES SOLUTIONPROCEDURE

Award Information

Agency:
National Aeronautics and Space Administration
Branch:
N/A
Award ID:
11910
Program Year/Program:
1990 / SBIR
Agency Tracking Number:
11910
Solicitation Year:
N/A
Solicitation Topic Code:
N/A
Solicitation Number:
N/A
Small Business Information
Amtec Engineering Inc
P.o. Box 3633 Bellevue, WA 00000
View profile »
Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No
 
Phase 1
Fiscal Year: 1990
Title: COUPLING GRID ADAPTION TO AN IMPLICIT NAVIER-STOKES SOLUTIONPROCEDURE
Agency: NASA
Contract: N/A
Award Amount: $59,999.00
 

Abstract:

A GRID ADAPTION PROCEDURE IS PROPOSED FOR A RECENTLY DEVELOPED CLASS OF NAVIER-STOKES SOLVERS WHICH USE RELAXATION RATHER THAN APPROXIMATE FACTORIZATION TO SOLVE THE LINEAR SYSTEM OF EQUATIONS. THE OBJECTIVE OF THE PROPOSED WORK IS THE IMPLICIT COUPLING OF AN EXISTING TWO-DIMENSIONAL NAVIER-STOKES CODE AND AN EXISTING TWO-DIMENSIONAL GRID ADAPTION CODE. THE GRID ADAPTION USES A SPRING/DAMPER ANALOGY AND A NOVEL NON-LINEAR SPRING TO AVOID GRID DEPLETION PROBLEMS. DURING THE PHASE I R&D EFFORT THE GRID ADAPTION PROCEDURE WILL BE REFINED TO CONTROL GRID ORTHOGONALITY AND IMPROVE CONVERGENCE, AND METHODS OF IMPLICITLY COUPLING THE GRID ADAPTION TO THE NAVIER-STOKES SOLVER WILL BE INVESTIGATED. THE COMBINED ADAPTIVE GRID/NAVIER-STOKES SOLUTION PROCEDURE WILL THEN BE TESTED ON REPRESENTATIVE SUPERSONIC AND TRANSONIC FLOW PROBLEMS.

Principal Investigator:

Scott T. Imlay
Senior Research Engineer
2068273304

Business Contact:

Kelton m. peery
PRESIDENT
2068273304
Small Business Information at Submission:

Amtec Engineering, Inc.
3055 112th Avenue N.e. #208 Bellevue, WA 98004

EIN/Tax ID:
DUNS: N/A
Number of Employees: N/A
Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No