Standards › Riser

Catenary riser

Catenary riser shape, layback and top tension

Ask Deckhand to work out the shape, layback and top tension of a catenary riser or line from its weight and the water depth.

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What you can ask it to do

  • Work out the catenary shape, layback and touchdown point of a riser or line.
  • Compute the top tension and the bottom tension.
  • Screen how shape and top tension move with weight, depth or current.

Related standards

Catenary Steel catenary riser (SCR) Top tension Layback Touchdown

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Questions

What does a catenary calculation give me?

The static shape of a riser or line hanging as a catenary — the layback, the touchdown point, and the top and bottom tensions — for a given submerged weight and water depth.

What is it used for?

First-pass sizing of steel catenary risers and similar lines, and a sanity check before a full dynamic analysis.

Run Catenary riser on your own inputs

Every capability is free to explore — open the published dataset behind the check and read the numbers yourself.

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