Development of Wing Structural Weight Equation for Active Areoelastic Wing Technology

Document Number: 1999-01-5640

Date Published: October 1999

Author(s):
P. Scott Zink - Georgia Institute of Technology
Dimitri N. Mavris - Georgia Institute of Technology

Abstract:
A multidisciplinary design study considering the impact of Active Aeroelastic Wing (AAW) technology on the structural wing weight of a lightweight fighter concept is presented. The study incorporates multidisciplinary design optimization (MDO) and response surface methods to characterize wing weight as a function of wing geometry. The study involves the sizing of the wing box skins of several fighter configurations to minimum weight subject to static aeroelastic requirements. In addition, the MDO problem makes use of a new capability, trim optimization for redundant control surfaces, to accurately model AAW technology. The response surface methodology incorporates design of experiments, least squares regression, and makes use of the parametric definition of a structural finite element model and aerodynamic model to build response surface equations of wing weight as a function of wing geometric parameters for both AAW technology and conventional control technology. The goal for this design study is to demonstrate a process by which some of the benefits associated with AAW technology can be quantified over the wing geometry design space, so that future conceptual designers may make the best use of the technology.

File Size: 569K
Product Status: In Stock

See other papers presented at World Aviation Congress _® & Exposition, October 1999, San Francisco, CA, USA, Session: Multidisciplinary Design Optimization II - Applications

Purchase more technical papers and save! With TechSelect, you decide what SAE Technical Papers you need, when you need them, and how much you want to pay. Learn more >