Helpful Hints and Tips: Application of Bolt-Preload via Multi-Body Contact
Abstract: Two options are available for representing pre-loading of 3D bolted joints:
- Shortening of the bolt shank length to interfere with the plate surface and induce tension on the bolt
- Applying a negative ΔT to the bolt shank elements via a thermal load
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The capabilities available with BAMF, AFGROW and StressCheck® are highly advanced and offer significant potential to achieve the high-level goal of TITANS –to reduce the need to conduct expensive and time consuming physical tests and to rely more on simulation.
Dr. Kevin WalkerDefence Science and Technology Group – Melbourne, Australia