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Connecting Rod Analysis

The ENGDYN simulation can incorporate a range of connecting rod models from a simplified rigid representation through to fully three-dimensional compliant or dynamic models. By default ENGDYN simply applies loads to the crank-pin and cylinder assuming primary motion. In order to consider the dynamic interaction with the crankshaft, and for analysing bearing behaviour due to dynamic loading the ENGDYN model can be extended to include a dynamic model of the connecting rod at each cylinder. As with the cylinder block studies, all of the tools required to incorporate the three-dimensional models are included within the ENGDYN environment, and the FEA interface tool allow a user to easily apply the ENGDYN results as boundary conditions for further structural analyses.


  • Dynamic interaction between the connecting rod and crankshaft
  • Big end and small end bearing analysis, including EHL analysis
  • Bearing distortion
  • Connecting rod durability

Key Features

  • Quasi-static and dynamic analysis
  • Heirarchy of model types including rigid, compliant and dynamic models, and half models for symmetric rods
  • Integrated FEA interface for matrix reduction

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