EXTENSIVE AEROELASTIC CAPABILITIES

Quartus has extensive capabilities for performing aeroelastic analysis. Capabilities include:

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• Flutter

• Divergence

• Gust and random response

• Static aeroelastic response

SUBSONIC TO HYPERSONIC

Quartus capabilities include a suite of algorithms suited for different speed regimes.

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• Doublet Lattice method (M < 1)

• Constant Pressure method (M < 3.5)

• Piston Theory (M < 5)

• ZTRAN for transonic (M ~ 1)

• ZONA6/ZONA7 for subsonic/supersonic

• ZONA7U for supersonic/hypersonic

SOFTWARE

Quartus uses leading software tools for performing aeroelastic analysis.

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• ZAERO®

• MSC Nastran

• NX Nastran

• Custom codes for V-G and V-F postprocessing

EXTENSIVE EXPERIENCE

Quartus personnel have extensive experience in performing aeroelastic analysis. Cases include:

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• Subsonic and supersonic flutter analysis of SpaceShipOne

• Subsonic and supersonic flutter analysis of WhiteKnight Two & SpaceShipTwo

• Subsonic flutter of Stratolaunch

• Flutter analysis of Shadow 200 and M2

• Subsonic and supersonic flutter analysis of XCOR Lynx

• Predator B whirl flutter

• Pegasus and Pegasus XL captive carry (subsonic) and free flight (up to Mach 5)

• Panel flutter analysis of a supersonic missile

• Flutter and divergence analysis for the Altair high altitude research vehicle (modified Predator-B)

• Piaggio P-180 preliminary flutter analysis (elastic axis models) and detailed flutter analysis (detailed 3-D FEM)

• Piaggio P-180 wind tunnel flutter model development, analysis, and flutter test

• Tomahawk cruise missile wing and fin flutter analysis

• Ground launched cruise missile composite wing flutter analysis

• Pratt & Whitney Canada PT-6 engine/propeller whirl flutter analysis

• Windmill flutter including gyroscopic effects

• Flutter analysis for the Improved Tactical Air Launched Drone (I-TALD)