Stone Engineering Division
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Structural Analysis Case Study

Task Description
  • Perform structural analysis of helicopter exhaust pipe extension under thermal acceleration and vibration loading
Purpose
  • Determine the causes for an in-flight failure of the orginal design, develop a new design, and verify the structural integrity of the new design
Product
  • "H-19 Exhaust Pipe Failure Investigation and Redesign Status," SEC-RPT-3-2-92, March 1992
  • "H-19 Exhaust Pipe Analysis and Re-Design Status," SEC-RPT-4-3-92, April 1992
  • "Modification to a Sikorsky s-55 Helicopter to simulate the Infra-Red Signature of a Soviet Hind 24E," SEC-RPT-92-002, Ocober 1, 1992
Customer
  • U.S. Army Missile Command (MICOM) Structures Directorate
Structures Analysis
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