Abstract
In this presentation, we will concentrate on typical Ground Vibration Test (GVT) and Finite Element (FE) comparisons software. It is necessary to note, that standard GVT are obligatory for any new aircraft configuration. We can mention here the investigations of the IAR-99, modern trainer and ground attack aircraft, using PRODERA ® GVT equipment. A Finite Element Model (FEM) of the IAR- 99 has been developed in PATRAN/NASTRAN ® , partly from a previous ANSYS ® model. FEM can be used to investigate potential structural modifications or changes with realistic component corrections. Model validation should be part of every modern engineering analysis and quality assurance procedure.
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