Systematic CFD Parameter Approach to Improve Torque Converter Simulation

A systematic parameterization approach was employed to simulate a torque converter operating over a wide range of speed ratios. Results of the simulation yielded torque converter impeller and turbine torques prediction errors below 11% when compared to manufacturer data. Further improvements in the computational fluid dynamics (CFD) model reduced such errors down to 3% for the impeller and 6% for the turbine torque predictions. Convergence was reached well under 300 iterations for the most optimal variable setting, but each speed ratio was let to run for 300 iterations. Solution time for the 300 iterations was 40 minutes per speed ratio. The systematic parameterization provides a very competitive procedure for torque converter simulation with reduced computational error and fast solution time.

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  • Supplemental Notes:
    • Abstract reprinted with permission of SAE International.
  • Authors:
    • De Jesus Rivera, Edward
    • Robinette, Darrell L
    • Blough, Jason R
    • Anderson, Carl L
    • Frait, Steve
  • Publication Date: 2019-4-8


  • English

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Filing Info

  • Accession Number: 01707094
  • Record Type: Publication
  • Source Agency: SAE International
  • Report/Paper Numbers: 06-12-02-0008
  • Files: TRIS, SAE
  • Created Date: Apr 22 2019 12:00PM