AEROM: NASA's Unsteady Aerodynamic and Aeroelastic Reduced-Order Modeling Software

Area of Science:

• Aerospace Engineering
• Computational Fluid Dynamics (CFD)
• Aeroelasticity

Background:

• Reduced-order modeling (ROM) is crucial for efficient aeroelastic analysis.
• NASA's AEROM software provides a patented solution for complex aerodynamic problems.
• Accurate aeroelastic predictions are vital for aircraft design and safety.

Purpose of the Study:

• To present the development and application of NASA's AEROM software.
• To compare full computational fluid dynamic (CFD) aeroelastic solutions with ROM solutions.
• To demonstrate the utility of AEROM in analyzing various aerospace configurations.

Main Methods:

• Utilized NASA's FUN3D CFD code for full aeroelastic solutions.
• Employed reduced-order modeling (ROM) techniques within the AEROM software.
• Analyzed aeroelastic root migrations using root locus plots at various Mach numbers.

Main Results:

• AEROM successfully applied to Lockheed-Martin N+2 and KTH generic wind-tunnel models.
• Demonstrated the capability of AEROM for rapid modeling of dynamic stability derivatives.
• Identified interesting insights from applying AEROM to the AGARD 445.6 wing.

Conclusions:

• AEROM offers a validated and efficient approach for aeroelastic analysis.
• The software facilitates rapid, high-fidelity modeling for aerospace applications.
• AEROM is a valuable tool for CFD-based aeroelastic analyses and design optimization.