Model Update of a Micro Air Vehicle (Mav) Flexible Wing Frame with Uncertainty Quantification

Author:   Nasa Technical Reports Server (Ntrs)
Publisher:   Bibliogov
ISBN:  

9781287269458


Pages:   22
Publication Date:   31 July 2013
Format:   Paperback
Availability:   In stock   Availability explained
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Model Update of a Micro Air Vehicle (Mav) Flexible Wing Frame with Uncertainty Quantification


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Overview

This paper describes a procedure to update parameters in the finite element model of a Micro Air Vehicle (MAV) to improve displacement predictions under aerodynamics loads. Because of fabrication, materials, and geometric uncertainties, a statistical approach combined with Multidisciplinary Design Optimization (MDO) is used to modify key model parameters. Static test data collected using photogrammetry are used to correlate with model predictions. Results show significant improvements in model predictions after parameters are updated; however, computed probabilities values indicate low confidence in updated values and/or model structure errors. Lessons learned in the areas of wing design, test procedures, modeling approaches with geometric nonlinearities, and uncertainties quantification are all documented.

Full Product Details

Author:   Nasa Technical Reports Server (Ntrs)
Publisher:   Bibliogov
Imprint:   Bibliogov
Dimensions:   Width: 18.90cm , Height: 0.10cm , Length: 24.60cm
Weight:   0.059kg
ISBN:  

9781287269458


ISBN 10:   1287269451
Pages:   22
Publication Date:   31 July 2013
Audience:   General/trade ,  General
Format:   Paperback
Publisher's Status:   Active
Availability:   In stock   Availability explained
We have confirmation that this item is in stock with the supplier. It will be ordered in for you and dispatched immediately.

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