A numerical method for computing the nonlinear inviscid flowfield surrounding a body performing coning motion is described. The method permits accurate computation of the aerodynamic moment due to one of the four motions characterizing an arbitrary nonplanar motion. Results of computations for a slender circular cone in coning motion are presented, and show good agreement with experiment for angles of attack up to twice the cone half-angle. The computational results display significant departure of the side moment from the linear theory value with increasing angle of attack, but agree well with experimental measurements. This indicates that the initial nonlinear behavior of the aerodynamic moment is determined primarily by the inviscid flow.


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    Title :

    Nonlinear Aerodynamics of Bodies in Coning Motion


    Contributors:

    Conference:

    Aerospace Sciences ; 1972 ; San Diego, CA, United States


    Published in:

    AIAA Journal ; 10 , 11


    Publication date :

    1972-11-01


    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English