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Nonlinear Studies

Improvements in the areas of contact convergence and I/O data handling enhance the overall quality of nonlinear analysis.

  • Performance improvements ranging from 15% to 30%, for most studies, in reduction of overall solution time. Some studies have shown over 50% performance improvement.
  • The surface-based option for bonding is extended to nonlinear studies.

    To apply surface-based bonding, in the Nonlinear - Static dialog box, under Incompatible bonding options, select More accurate (slower).

  • The convergence and solution accuracy of the surface-based contact algorithm are improved. As a result, nonlinear problems with the following features are improved:
    1. Surface-based bonding contact and connectors
    2. No penetration contact with friction
    3. Combination of shrink-fit and no penetration contact (differentiate the two types of contact in the database)

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