The first AIAA Drag Prediction Workshop, held in June 2001, evaluated the results from an extensive N-version test of a collection of Reynolds-Averaged Navier-Stokes CFD codes. The code-to-code scatter was more than an order of magnitude larger than desired for design and experimental validation of cruise conditions for a subsonic transport configuration. The second AIAA Drag Prediction Workshop, held in June 2003, emphasized the determination of installed pylon-nacelle drag increments and grid refinement studies. The code-to-code scatter was significantly reduced compared to the first DPW, but still larger than desired. However, grid refinement studies showed no significant improvement in code-to-code scatter with increasing grid refinement. The third Drag Prediction Workshop focused on the determination of installed side-of-body fairing drag increments and grid refinement studies for clean attached flow on wing alone configurations and for separated flow on the DLR-F6 subsonic transport model. This work evaluated the effect of grid refinement on the code-to-code scatter for the clean attached flow test cases and the separated flow test cases.


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    Title :

    Statistical Analysis of CFD Solutions from the Third AIAA Drag Prediction Workshop


    Contributors:

    Publication date :

    2007


    Size :

    21 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English





    Statistical Analysis of CFD Solutions from the Third AIAA Drag Prediction Workshop (Invited) AIAA Paper

    Morrison, J. / Hemsch, M. / American Institute of Aeronautics and Astronautics | British Library Conference Proceedings | 2007



    Statistical Analysis of the Sixth AIAA Drag Prediction Workshop Solutions

    Derlaga, Joseph M. / Morrison, Joseph H. | AIAA | 2018