Application of CFD Techniques Toward the Validation of Nonlinear Aerodynamic Models,
Abstract
Applications of CFD methods to determine the regimes of applicability of nonlinear models describing the unsteady aerodynamic responses to aircraft flight motions are described. The potential advantages of computational methods over experimental methods are discussed and the concepts underlying mathematical modeling are reviewed. The economic and conceptual advantages of the modeling procedure over coupled, simultaneous solutions of the gasdynamic equations and the vehicle's kinematic equations of motion are discussed. The modeling approach, when valid, eliminates the need for costly repetitive computation of flowfield solutions. For the test cases considered, the aerodynamic modeling approach is shown to be valid.
Document Details
- Document Type
- Technical Report
- Publication Date
- Nov 01, 1985
- Accession Number
- ADP005043
Entities
People
- Joseph Katz
- Lewis B. Schiff
Organizations
- Ames Research Center