Ground vibration testing and fem model updating of scaled Diana 2 glider model using accelerometer, gyro and strain measurements
Andres Jürisson (Royal Netherlands Aerospace Centre, TU Delft - Aerospace Structures & Computational Mechanics)
Huub Timmermans (Royal Netherlands Aerospace Centre)
Bart Eussen (Royal Netherlands Aerospace Centre)
Coen de Visser (TU Delft - Control & Simulation)
Roeland de Breuker (TU Delft - Aerospace Structures & Computational Mechanics)
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Abstract
A ground vibration test was conducted with a 1:3 scaled Diana 2 glider model where the modal parameters were estimated using the accelerometers, gyroscopes and strain gauges integrated in the test aircraft and validated using externally attached calibrated accelerometers and commercial software. These modal parameters were then used to update a FEM model of the glider together with static load tests and component mass measurements. The goal for this updated and fitted FEM model is then to build an aeroelastic model for flexible aircraft flight dynamics simulator.