An overview of the various unsteady modelling hierarchies in aerospace is given ranging from linear harmonic to direct numerical simulation. Unsteady reduced order modelling encompassing deterministic stresses and body forces are discussed. Hierarchies are presented for different modelling lineages and fidelity levels. Mixed fidelity methods are proposed, where low and high fidelity treatments are combined. For example, URANS being combined with body forces to provide appropriate system boundary conditions. This concept is extended further in later chapters. For URANS, the occurrence of a spectral gap in many turbomachinery zones is found to be uncertain. The wide range of other aspects needed to model aeronautical flows and their limitations is discussed.


    Access

    Check access

    Check availability in my library

    Order at Subito €


    Export, share and cite



    Title :

    Computational Aerodynamics Methods


    Additional title:

    Fluid Mechanics, Appl.


    Contributors:


    Publication date :

    2014-01-01


    Size :

    42 pages





    Type of media :

    Article/Chapter (Book)


    Type of material :

    Electronic Resource


    Language :

    English





    Coupled Computational Aerodynamics

    Tucker, P. G. | Springer Verlag | 2014


    Aircraft computational aerodynamics

    Koku Uchu Gijutsu Kenkyujo | British Library Conference Proceedings | 1998


    Aircraft computational aerodynamics

    National Aerospace Laboratory | British Library Conference Proceedings | 1994


    Aircraft computational aerodynamics

    National Aerospace Laboratory | British Library Conference Proceedings | 1996