OrcaLay Features

Modelling Elements

• Wire OD, mass per unit length, axial stiffness and drag coefficient.
• Lay vessel definition and vessel library facility.
• Linear elastic or non-linear material.
• Multiple pipe type properties.
• Main pipe properties including ovality.
• Multiple coatings and lining can be defined.
• Piggyback lines included, accounting for main properties and multiple coatings and linings.
• Multiple internal lines modelled.
• Umbilical data including OD, mass per unit length, EA, EI, MBR, friction coefficient.

Environment

• User-defined water depth and seabed slope.
• Current specified by power law or user-defined profile.
• Current can be from ahead or astern.

Analysis

• Model Reel, S-Lay and J-Lay for steel pipes.
• Umbilical lay over umbilical chute.
• Model Initiation, Lay, Laydown and Abandonment and Recovery stages.
• For Initiation, Laydown and Abandonment and Recovery define the properties of the Head terminations.
• For Initiation choose from Seabed Anchor or Seabed Sheave options.
• For Initiation, Laydown and Abandonment and Recovery analyse multiple payout steps.
• For Lay stage analyses multiple cases with different water depths, seabed slopes and current profiles.
• Perform Complete analysis to produce multiple load cases between the acceptable near and acceptable far positions.
• Perform a Single analysis for force, moments and stress components for one configuration.
• API, DNV and BS code checks automatically performed.

Data Input

• SI or US units.
• Interactive Graphical User Interface.

Results Output

• Spreadsheet format output.
• Export spreadsheets in Excel format.
• Graph results of user selected variables for abscissa and ordinate axes.
• Copy and paste in standard Windows manner.
• Automated export of OrcaFlex compatible file.