Unsteady Archive

Unsteady Files

Air Force Conducts Large Scale Simulation with Amazon EC2

Updated on 29 December 2016

  • United States Air Force conducts large-scale aerodynamic simulation with ADS and Amazon EC2

High Efficiency Centrifugal Compressor Design for Rotorcraft

Updated on 29 December 2016

  • UTRC utilizes Code LEO to perform unsteady analysis in the design of a high efficiency, compact centrifugal compressor for rotorcraft applications

Highly Loaded Low-Pressure Turbine: Design, Numerical and Experimental Analysis

Updated on 25 April 2017

  • From the Journal of Propulsion and Power, a paper describing the design of a low pressure turbine at the US Air Force Research Lab as well as numerical and experimental analysis. ADS CFD analysis of the LPT was done using ADS Code LEO.

Implicit Scaling Case Study

Updated on 29 December 2016

  • A study comparing the effectiveness of scaled unsteady simulations to full wheel unsteady simulations. A description of ADS' implicit scaling method for reducing the start up cost of scaled unsteady simulations.

Performance Estimation of a Turbine under Partial Admission and Flow Pulsation Conditions

Updated on 29 December 2016

  • Time-resolved flow simulations of the modified Garrett turbine case A3K7 are conducted with time-varying inlet conditions up- stream of the turbine

Unsteady Aerodynamic Interaction in a Closely Coupled Turbine Consistent with Contra-Rotation

Updated on 21 February 2017

  • A contra-rotating turbine is analyzed using unsteady CFD analysis and compared against experimental data.