A Field-panel Approach For Transonic Flow Calculations About 3D
Configurations
Author(s)
D. Fokin, L. Gebhardt, Th. Lutz and S. Wagner
Abstract
A field-panel approach for transonic flow
calculations about 3D configurations
D. Fokin, L. Gebhardt, Th. Lutz and S. Wagner
Institute for Aerodynamics and Gas Dynamics
University of Stuttgart, Germany
Abstract
The purpose of the present work is to develop a mathematically sound and
efficient field-panel method for the analysis of inviscid transonic flow over 3D
aircraft configurations taking the effects of (weak) shock waves into account.
The problem is reduced to a system of two nonlinear integro-differential
equations for the disturbance potential in the field and the singularity dis-
tribution on a reference surface. An iteration procedure incorporating the
boundary element method to satisfy the impermeability conditions on the
body (Neumann formulation), coupled with a correction for compressibility
effects based on the full potential equation has been developed. The arti-
ficial viscosity concept is used to stabilize the process for transonic cases.
Exemplary results of
Keywords
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