Integrated flight mechanics and aeroelastic aircraft modeling using object-oriented modeling techniques

摘要

A software implementation is proposed of integrated flight mechanics/aeroelastic aircraft models using object-oriented modeling techniques. ^Model development involves integrating a rigid aircraft simulation model with aeroelastic flutter analysis models. ^The main application is a primary flight control law design in which most of the criteria are of a flight-mechanical nature. ^For this reason, the rigid aircraft model is taken as the basis, while the fidelity of the aeroelastic part may depend on the accuracy required. ^Object-oriented modeling allows physical objects and phenomena to be implemented one-to-one into software objects, since interconnections can be defined freely. ^This feature facilitates integration of model components from different engineering disciplines. ^A model compiler generates simulation code by symbolic manipulation of the model equations. ^The code can be exported to several (simulation) languages. ^This allows the same model to be used in different engineering environments. ^We illustrate this feature with a flutter analysis example. ^(Author)