26th Congress of International Council of the Aeronautical Sciences
including the 8th AIAA Aviation Technology, Integration, and Operations (ATIO) Conference
14 - 19 September 2008, Anchorage, Alaska, USA
Paper ICAS 2008-9.5.1

STRUCTURAL MODEL TUNING CAPABILITY IN AN OBJECT-ORIENTED MULTIDISCIPLINARY DESIGN, ANALYSIS, AND OPTIMIZATION TOOL

S. -F. Lung, C. -G. Pak
NASA, USA

Keywords: finite element model tuning, ground vibration test data, MDAO, measured mass properties, optimization

Updating the FE model using measured data is a challenging problem in the area of structural dynamics. Having accurate rigid body dynamics are important for the flight control system design and an aeroelastic trim.

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