Frequently asked questions on modeling offshore underwater / sub sea piping:

Modeling

• Pipe resting on the seabed floor

• Concrete Mattress

• Riser clamps

• Concrete Encased Steel Pipe

• Free catenary pipe

• Expansion loop

• Wave / surface interface

• Marine growth thickness

Hydrodynamic Data

• Model Hydrodynamic data for mass points between actual node points

• Typical Hydrodynamic data settings

• Verify if hydrodynamic data applied to model

• Determine hydrodynamic coefficients

• Consideration of automatic updating hydrodynamic coefficients at the bottom of the riser pipe

Miscellaneous

• Software suitable for the analysis of subsea pipeline crossings

• Software suitable for deep offshore analysis

• Considering external pressure or temperature for underwater / subsea piping

• Consideration of compressive stresses due to self weight in riser

• Dynamic analysis underwater piping

• Soil calculation method

See Also

Modeling Approaches

Bentley AutoPIPE