NASA NTRS · 19910006294
Development and application of a technique for reducing airframe finite element models for dynamics analysis
Abstract
A computational procedure for the reduction of large finite element models was developed. This procedure is used to obtain a significantly reduced model while retaining the essential global dynamic characteristics of the full-size model. This reduction procedure is applied to the airframe finite element model of AH-64A Attack Helicopter. The resulting reduced model is then validated by application to a vibration reduction study.
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Hashemi-Kia, Mostafa, Toossi, Mostafa. 1990-10-01. Development and application of a technique for reducing airframe finite element models for dynamics analysis. https://ntrs.nasa.gov/citations/19910006294
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