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Bearing Analysis

ENGDYN directly couples the crankshaft and cylinder block dynamics with the bearing oil film to allow the user to perform a range of analyses to aid bearing design. ENGDYN incorporates a hierarchy of solution methods, from the industry standard Mobility method through to more rigorous hydrodynamic (HD) and elastohydrodynamic (EHD) models. Whether early in a program when only concept level models are available, or when detailed studies are required, ENGDYN provides the tools for the engineer to assess bearing performance.


  • Bearing type selection
  • Bearing durability
  • Friction and mass flow calculations
  • Load transfer to powertrain

Key Features

  • Direct coupling of crankshaft and crankcase dynamics with bearing
  • Simplified and rigorous bearing models
      - Mobility
      - Hydrodynamic (HD)
      - Elastohydrodynamic (EHD)
  • Mass conserving hydrodynamic lubrication model
  • Boundary lubrication model
  • Thermal balance

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