The recent advancements of simulation tools made them a mainstay of aircraft development and pilot training in the industry. It is predicted that demonstration of compliance to certification requirements through flight simulations may take advantage of the reduction of cost, risk and required time offered by modelling tools. To capitalize on these advantages, effort shall be devoted to the development and the validation of simulation tools of sufficient fidelity. In the present work, the most widely acknowledged methodologies in the field of verification and validation of computational models are revised and applied to a state-of-the-art flight simulation model of a civil tiltrotor developed by Leonardo Helicopters Division. The verification and validation procedures are carried out through an application of the certification by simulation process presented in the guidelines developed by RoCS project. The different validation methodologies are eventually compared in terms of fundamental assumptions, computational expense, validation metrics values and suitability to RoCS guidelines.
Il crescente avanzamento degli strumenti di simulazione nell’industria aeronautica ha reso questi ultimi un elemento imprescindibile nello sviluppo delle macchine volanti e nell’addestramento dei piloti. Si prevede che la dimostrazione di conformità ai requisiti certificativi attraverso simulazioni di volo possa beneficiare della riduzione di costi, rischi e tempi richiesti offerta dagli strumenti di modellazione. Tuttavia, per godere di questi vantaggi, è necessario dedicare energie allo sviluppo e alla validazione di strumenti di simulazione adeguati. Nel presente lavoro, le metodologie più diffuse nel campo della verifica e della validazione dei modelli computazionali vengono presentate ed applicate ad un modello di meccanica del volo allo stato dell’arte di un velivolo tiltrotor. Le procedure di verifica e validazione sono dimostrate attraverso l’applicazione del processo di certificazione attraverso simulazione presentato nelle linee guida del progetto RoCS. Le diverse metodologie di validazione vengono infine confrontate in termini di assunzioni fondamentali, costo computazionale, valori delle metriche di validazione e applicabilità alle linee guida di RoCS.
Comparison of uncertainty quantification and validation methodologies on a Civil Tiltrotor flight simulation model
Mamino, Matteo
2022/2023
Abstract
The recent advancements of simulation tools made them a mainstay of aircraft development and pilot training in the industry. It is predicted that demonstration of compliance to certification requirements through flight simulations may take advantage of the reduction of cost, risk and required time offered by modelling tools. To capitalize on these advantages, effort shall be devoted to the development and the validation of simulation tools of sufficient fidelity. In the present work, the most widely acknowledged methodologies in the field of verification and validation of computational models are revised and applied to a state-of-the-art flight simulation model of a civil tiltrotor developed by Leonardo Helicopters Division. The verification and validation procedures are carried out through an application of the certification by simulation process presented in the guidelines developed by RoCS project. The different validation methodologies are eventually compared in terms of fundamental assumptions, computational expense, validation metrics values and suitability to RoCS guidelines.File | Dimensione | Formato | |
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Executive_Summary.pdf
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Master_Thesis_Mamino (7).pdf
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https://hdl.handle.net/10589/214987