All Stories

  1. Summary of the Second AIAA Uncertainty Quantification Challenge Problem for Aerodynamics

    Article • January 2026, American Institute of Aeronautics and Astronautics (AIAA)

    Petar Hristov, Mr. John A Schaefer

  2. Analysis of HVAB Rotor Hover Performance with Uncertainty in CFD Meshing Strategies

    Article • January 2026, American Institute of Aeronautics and Astronautics (AIAA)

    Mr. John A Schaefer, Dr Robert Narducci, Andrew Wissink

  3. Challenge Problem Overview for the Certification by Analysis Uncertainty Quantification Discussion Group

    Article • July 2025, American Institute of Aeronautics and Astronautics (AIAA)

    Mr. John A Schaefer

  4. Uncertainty and Sensitivity Analysis of the PSP Rotor Performance Using Computational Fluid Dynamics

    Article • July 2024, American Institute of Aeronautics and Astronautics (AIAA)

    Mr. John A Schaefer, Dr Robert Narducci

  5. Overview of Fluid Dynamics Uncertainty Quantification Challenge Problem and Results

    Article • January 2024, American Institute of Aeronautics and Astronautics (AIAA)

    Mr. John A Schaefer

  6. Surrogate Model and Discretization Error Impacts on the Fluid Dynamics Uncertainty Quantification Challenge Problem

    Article • January 2024, American Institute of Aeronautics and Astronautics (AIAA)

    Mr. John A Schaefer

  7. Development Strategies for Uncertainty Quantification to Enable Aircraft Certification by Analysis

    Article • January 2024, American Institute of Aeronautics and Astronautics (AIAA)

    Mr. John A Schaefer

  8. Uncertainty Quantification Across Design Space Using Spatially Accurate Polynomial Chaos

    Article • AIAA Journal, November 2021, American Institute of Aeronautics and Astronautics (AIAA)

    Mr. John A Schaefer

  9. Application of a CFD Uncertainty Quantification Framework for Industrial-Scale Aerodynamic Analysis

    Article • January 2019, American Institute of Aeronautics and Astronautics (AIAA)

    Mr. John A Schaefer

  10. Grid Influence on Turbulence Model Coefficient Uncertainties in Transonic Wall-Bounded Flows

    Article • AIAA Journal, August 2018, American Institute of Aeronautics and Astronautics (AIAA)

    Mori Mani, Mr. John A Schaefer

  11. Uncertainty Quantification and Sensitivity Analysis of SA Turbulence Model Coefficients in Two and Three Dimensions

    Article • January 2017, American Institute of Aeronautics and Astronautics (AIAA)

    Mr. John A Schaefer, Mori Mani

  12. The Effect of Grid Topology and Flow Solver on Turbulence Model Closure Coefficient Uncertainties for a Transonic Airfoil

    Article • June 2016, American Institute of Aeronautics and Astronautics (AIAA)

    Mr. John A Schaefer, Mori Mani

  13. Uncertainty Quantification of Turbulence Model Closure Coefficients for Transonic Wall-Bounded Flows

    Article • June 2015, American Institute of Aeronautics and Astronautics (AIAA)

    Bil Kleb, Mr. John A Schaefer