Anchoring your analysis.

Mooring systems come in all shapes and sizes, from single leg moorings to four leg moorings, to aquaculture farm systems, which use significantly more complex grid systems. Analysis of complex mooring systems is performed using numerical dynamic simulation tools. DSA uses our in-house dynamic analysis software ProteusDS to simulate moorings, performing time-domain analysis of mooring arrangements taking into account current, wind, and loading. By performing the analysis using simulation software, users can streamline their efforts and design and optimise mooring systems for all types of configurations.

 

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  • Benefits

    The benefits of the ProteusDS finite-element cable model are:

    • Cubic finite elements are more accurate than linear and significantly longer element lengths are possible.
    • Longer elements for a given mooring line can lead to substantial increases in simulation execution speed due to larger allowable numerical time steps and fewer calculations per line.
    • Torsional and bending effects allow accurate resolution of slack line and snap load events.
    • The torsional inertia of the line itself is neglected and an instantaneous twist response results, which mitigates high-frequency torsional dynamics noise from inducing small numerical integration time steps and slowing execution speed.
  • Applications

    Single leg moorings for metocean, oceanography, science and R&D applications

    • Wave energy device moorings
    • Tidal energy device moorings
    • Analysis of fish farm moorings (open net cage aquaculture)
    • Analysis of shellfish farms (raft and long line)
    • Multi-leg moorings for oil and gas applications
    • Moorings for navigation aid buoys
    • In-shore barge moorings
    • Vessel moorings
    • Buoy engineering
    • Station keeping systems
    • Cable ferries
    • Floating breakwaters

The benefits of the ProteusDS finite-element cable model are:

  • Cubic finite elements are more accurate than linear and significantly longer element lengths are possible.
  • Longer elements for a given mooring line can lead to substantial increases in simulation execution speed due to larger allowable numerical time steps and fewer calculations per line.
  • Torsional and bending effects allow accurate resolution of slack line and snap load events.
  • The torsional inertia of the line itself is neglected and an instantaneous twist response results, which mitigates high-frequency torsional dynamics noise from inducing small numerical integration time steps and slowing execution speed.

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