Collier Research Corporation
Newport News, VA
When announcing the completion of the Bell V-280 tiltrotor fuselage at a press conference, Bell Helicopter leadership applauded the Bell Helicopter/Spirit AeroSystems team for a job well done, ahead of schedule and within budget. This event marked the culmination of a successful first-time collaboration between the two companies.
The sizing and analysis software Spirit used to prove out the structural integrity of the V-280 was HyperSizer® from Collier Research, the first software package used by NASA to be made available on the commercial market. Employed for both aircraft and space-launch vehicles fabricated with composite or metallic materials, the software automatically performs design, stress analysis and sizing optimization, typically reducing the weight of structures by 20-40%. On the V-280 fuselage prototype program, Spirit AeroSystems employed HyperSizer for detailed sizing of the fuselage. Important structural requirements include strength, stability, stiffness and deflection/rotation limitations for severe flight, landing and ground load cases.
The V-280 Valor is competing in the Department of Defense’s Joint Multi-Role Technology Demonstrator (JMR TD) program. This is a science and technology precursor to the Department of Defense’s Future Vertical Lift program, with the goal to replace 2,000 to 4,000 medium-class utility and attack helicopters. The V-280 Valor is Bell Helicopter’s offering for the JMR-TD program. A next generation tiltrotor, the Bell V-280 Valor advanced technology tiltrotor provides improved speed, range and payload for expeditionary maneuvers.
The unit was designed and assembled in Spirit’s rapid prototyping facility in Wichita, Kansas in just 22 months. The composite fuselage was shipped to Bell Helicopter’s facility in Amarillo, Texas for final assembly, and the build continues towards a first flight in the second half of 2017.
To meet the aggressive V-280 schedule, HyperSizer was employed in a ‘design-by-analysis’ approach that successfully sized and analyzed the fuselage structure. HyperSizer also provided the engineers with automated stress-report generation that enabled them to review and vet all relevant data in order to prove-out the structural soundness of the fuselage.
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