All Stories

  1. Large-Scale Distributed Multidisciplinary Design Optimization of the NASA Lift-Plus-Cruise Air Taxi Concept

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

    Alexandre GUIBERT, Chunting Chris Mi, Alicia Kim, Dr Andrew Ning, Darshan Sarojini

  2. Actuator Disk Model for Aeropropulsive Coupling Effects in Vortex Particle Method

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

    Dr Andrew Ning

  3. Trajectory Optimization of eVTOL and Conventional Aircraft: A Comparative Analysis of Vortex Particle Method and Vortex Lattice + Blade Element Momentum Theory

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

    Dr Andrew Ning

  4. Solving Large, Unsteady, Potential Flow Boundary Element Problems in O(n) Time

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

    Dr Andrew Ning

  5. Review of Computational Models for Large-Scale MDAO of Urban Air Mobility Concepts

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

    Alicia Kim, Dr Jeffrey T Chambers, Dr Andrew Ning, Alexandre GUIBERT, Chunting Chris Mi, Dr. Darshan Sarojini, Ganesh Raghavendran

  6. Stable Vortex Particle Method Formulation for Meshless Large-Eddy Simulation

    Article • AIAA Journal, November 2023, American Institute of Aeronautics and Astronautics (AIAA)

    Dr Andrew Ning

  7. FLOWUnsteady: An Interactional Aerodynamics Solver for Multirotor Aircraft and Wind Energy

    Article • June 2022, American Institute of Aeronautics and Astronautics (AIAA)

    Dr Andrew Ning

  8. IEA Wind Energy Task 37 - System Engineering - Aerodynamic Optimization Case Study

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

    Dr Andrew Ning

  9. Optimization of Turbine Tilt in a Wind Farm

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

    Dr Andrew Ning, Jared Thomas

  10. A Comparison of Aerodynamics Models for Optimizing the Takeoff and Transition of a Bi-wing Tailsitter

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

    Dr Andrew Ning

  11. Gradient-Based Optimization of Solar-Regenerative High-Altitude Long-Endurance Aircraft

    Article • Journal of Aircraft, November 2020, American Institute of Aeronautics and Astronautics (AIAA)

    Dr Andrew Ning

  12. High-Fidelity Modeling of Multirotor Aerodynamic Interactions for Aircraft Design

    Article • AIAA Journal, October 2020, American Institute of Aeronautics and Astronautics (AIAA)

    Dr Andrew Ning

  13. Unsteady Aerodynamic Analysis of Wind Harvesting Aircraft

    Article • June 2020, American Institute of Aeronautics and Astronautics (AIAA)

    Dr Andrew Ning

  14. Takeoff and Performance Trade-Offs of Retrofit Distributed Electric Propulsion for Urban Transport

    Article • Journal of Aircraft, September 2019, American Institute of Aeronautics and Astronautics (AIAA)

    Dr Andrew Ning

  15. Modeling Multirotor Aerodynamic Interactions Through the Vortex Particle Method

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

    Dr Andrew Ning

  16. An Examination into the Defining Characteristics of Flexible Solar Aircraft Configurations through Optimization

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

    Dr Andrew Ning

  17. Dynamic Optimization of High-Altitude Solar Aircraft Trajectories Under Station-Keeping Constraints

    Article • Journal of Guidance Control and Dynamics, March 2019, American Institute of Aeronautics and Astronautics (AIAA)

    Abe Martin, Dr Andrew Ning

  18. Effect of Communication on the Surveillance Performance of a Large Swarm of UAVs

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

    Dr Andrew Ning

  19. Combined Trajectory and Propulsion Optimization for Solar-Regenerative High-Altitude Long Endurance Unmanned Aircraft

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

    Dr Andrew Ning

  20. Best Practices for Wake Model and Optimization Algorithm Selection in Wind Farm Layout Optimization

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

    Andrew PJ Stanley, Dr Andrew Ning, Jared Thomas

  21. Comparison of Wind Farm Layout Optimization Results Using a Simple Wake Model and Gradient-Based Optimization to Large Eddy Simulations

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

    Dr Andrew Ning, Jared Thomas

  22. Improving the FLORIS wind plant model for compatibility with gradient-based optimization

    Article • Wind Engineering, August 2017, SAGE Publications

    Dr Andrew Ning, Jared Thomas

  23. Gradient-Based Optimization of Wind Farms with Different Turbine Heights

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

    Dr Andrew Ning, Andrew PJ Stanley

  24. UAV Path-Planning using Bezier Curves and a Receding Horizon Approach

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

    Dr Andrew Ning

  25. Aerodynamic Performance Characterization of Leading Edge Protrusions on Small Propellers

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

    Dr Andrew Ning

  26. Parameterized Vertical-Axis Wind Turbine Wake Model Using CFD Vorticity Data

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

    Dr Andrew Ning

  27. Unmanned aircraft path planning for sense and avoid

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

    Tim McLain, Dr Andrew Ning

  28. Development and Validation of a New Blade Element Momentum Skewed-Wake Model within AeroDyn

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

    Dr Andrew Ning

  29. Extended Formation Flight at Transonic Speeds

    Article • Journal of Aircraft, September 2014, American Institute of Aeronautics and Astronautics (AIAA)

    Dr Andrew Ning

  30. Automatic Evaluation of Multidisciplinary Derivatives Using a Graph-Based Problem Formulation in OpenMDAO

    Article • June 2014, American Institute of Aeronautics and Astronautics (AIAA)

    Justin S Gray, Dr Andrew Ning

  31. Aircraft Route Optimization for Formation Flight

    Article • Journal of Aircraft, March 2014, American Institute of Aeronautics and Astronautics (AIAA)

    Dr Andrew Ning

  32. Sensitivity Analysis of Wind Plant Performance to Key Turbine Design Parameters: A Systems Engineering Approach

    Article • January 2014, American Institute of Aeronautics and Astronautics (AIAA)

    Dr Andrew Ning

  33. Inviscid Analysis of Extended-Formation Flight

    Article • AIAA Journal, July 2013, American Institute of Aeronautics and Astronautics (AIAA)

    Dr Andrew Ning

  34. Objectives and Constraints for Wind Turbine Optimization

    Article • January 2013, American Institute of Aeronautics and Astronautics (AIAA)

    Dr Andrew Ning

  35. Aircraft Route Optimization for Heterogeneous Formation Flight

    Article • April 2012, American Institute of Aeronautics and Astronautics (AIAA)

    Dr Andrew Ning

  36. Compressibility Effects of Extended Formation Flight

    Article • June 2011, American Institute of Aeronautics and Astronautics (AIAA)

    Dr Andrew Ning

  37. Aerodynamic Performance of Extended Formation Flight

    Article • Journal of Aircraft, May 2011, American Institute of Aeronautics and Astronautics (AIAA)

    Dr Andrew Ning

  38. Multidisciplinary Considerations in the Design of Wings and Wing Tip Devices

    Article • Journal of Aircraft, March 2010, American Institute of Aeronautics and Astronautics (AIAA)

    Dr Andrew Ning

  39. Aerodynamic Performance of Extended Formation Flight

    Article • January 2010, American Institute of Aeronautics and Astronautics (AIAA)

    Dr Andrew Ning

  40. Tip Extensions, Winglets, and C-wings: Conceptual Design and Optimization

    Article • August 2008, American Institute of Aeronautics and Astronautics (AIAA)

    Dr Andrew Ning