FRyDoM 2.1 Theory Guide

FRyDoM official website:

FRyDoM conventions

• Coordinate systems
• Convention and notations

Environment theory

• Environment
  • Fluid physical properties (air and seawater)
  • Flow field model (wind and current)
  • Wave models
  • Chart Datums

Multibody dynamics

• Multibody dynamics
  • Frames
  • Bodies
  • Kinematic links
  • Constraints
  • Actuators

Hydrodynamics

• Hydrodynamics
  • Linear potential flow theory
  • Hydrostatic force
  • Wave excitation
  • Radiation force
  • Mean wave drift force
  • Morison model and force
  • Current and wind drag loads due to translational relative velocity
  • ITTC78 resistance force
  • Manoeuvring loads
  • Damping force

Line theory

• Line theory
  • Physical line properties
  • Quasi static catenary line
  • Dynamic cable (FEA)

Mooring

• Mooring
  • Line
  • Mooring buoy
  • Clumpweight
  • Anchor
  • Soil Interaction

Static analysis

• Static analysis
  • Purpose and method
  • Tolerance criteria

Numerical methods

• Numerical methods
  • Time steppers
  • Constraint Solvers

Benchmark

• Benchmark cases
  • Heaving sphere
  • Hydrostatics and stability of a box
  • DTM5512
  • Cables