NASA NTRS · 19740006503
Static and dynamic helicopter airframe analysis with NASTRAN
Abstract
The use of NASTRAN at Bell Helicopter Company for structural static and dynamic analysis of a helicopter airframe is described. Analysis of airframe internal loads, main rotor isolation systems, and airframe vibration is discussed. The use of each rigid format for these types of analysis is summarized. Suggested improvements to NASTRAN to increase its effectiveness in performing helicopter airframe analysis are given.
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Wilson, H. E., Cronkhite, J. D.. 1973-09-01. Static and dynamic helicopter airframe analysis with NASTRAN. https://ntrs.nasa.gov/citations/19740006503
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