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Aeroelastic Analysis

EXTENSIVE AEROELASTIC CAPABILITIES

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

  • Flutter

  • Divergence

  • Gust and random response

  • Static aeroelastic response

SUBSONIC TO HYPERSONIC

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

  • 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.

  • 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:

  • 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)

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