We solve structural problems at sea

naval architecture

 

Ships and other marine structures are exposed to various environmental loads, such as those from wind, wave and current. The interaction between a marine structure and the environmental loads must be understood in order to optimize design and develop groundbreaking concepts. To ensure that your marine assets can withstand extreme or changing environments, we offer a range of services.

General Services

Structural analysis

  • Global and local FEM analysis
  • ULS, ALS and FLS analysis
  • Main scantling analysis and optimization
  • Lifting and transportation analysis
  • Conversion, life extension and FEEDs for FPSOs and FSOs
  • Stress analysis visualization
  • Post-analysis member and tubular joint code checking 
  • Calculation of shear and moment diagrams

Structural design

  • Typical structure design of FPSOs, semi-submersibles, wind carriers, crane pedestals, etc.
  • Sea fastening design and concept development
  • Design of tower grillage, blade stacks and nacelle supports for wind carriers
  • Optimization for compliance to codes including API, AISC, EC, ISO, DNV GL, and NORSOK 
marine engineering

Hydrodynamic analysis

  • Site specific hydrodynamic motion and load analysis
  • Motion and wave load analysis
  • Mooring and green sea analysis
offshore wind

Survey & inspection

  • Vessel valuation reports
  • Sales and purchase inspections
  • Hull inspection and repair
naval architecture

Hull design

  • Weight distribution and stability studies
  • Concept design and layout
  • Steel optimization
  • 3D modelling and 2D structural drawings
naval architecture

Sector Specific Services

FPSO

  • Selection and inspection of candidate vessels for FPSO conversion projects
  • Sales and purchase inspections
  • Vessel valuation reports
  • Planning and costing for FPSO lifetime extension campaigns
  • FEED studies for FPSO’s and FSOs
  • FPSO conversion projects
  • Project management services for rig and FPSO construction projects
  • Design and management for local content integration
  • Hull and topside structural engineering
  • Hull/topside and turret/mooring interfacing
  • Technical documentation
  • Structural drawings 
  • Class approval 
  • Main scantling approval
  • Real time monitoring of topside structural integrity
  • Developing SRBI (structural risk-based inspection program) for hull and topside 
  • Flare tower strength assessment 

Offshore fish farming

  • Global structural and hydrodynamic analysis
  • Local and global ULS, ALS and FLS studies
  • Technical documentation for class approval
  • Structural drawings
  • CFD analysis
  • Calculation of RAO (response amplitude operator) and DAF (dynamic amplification factor)
  • Wave motion analysis

Offshore wind energy

  • Lifting analysis
  • Sea fastening and green sea analysis
  • Technical documentation of tower grillage, blade stack and nacelle support
  • Transport studies
  • VIV (vortex induced vibration) fatigue assessment 

Semi-submersibles

  • Scantling design and optimization according to DNV GL Rules and Standards
  • Production of structural drawings, 3D Autocad model, GeniE and HydroD analysis model
  • Topside integration with hull
  • Technical documentation
  • ULS, ALS and FLS analysis
  • Main scantling and class approval
  • Lifetime extension projects

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