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Pipelines & subsea

What the model sees

Free spans from a contact model

Duration
1:06
Year
2026

The case

A diver sees a yellow line on the sand. The model sees 240 beams and 241 springs that can only push. When gravity is let in step by step, the line ends up resting on the sand-wave crests, crossing a trench and hanging on both sides of a rock: three free spans of 6 to 8 m, with one rock carrying 970 N.

Topics

  • Free spans
  • Contact
  • Own solver

Basis. Generic synthetic case built for this piece. No client data. Not a design verification.

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