Usfos Hydrodynamic Loads

Some relevant wave theories are implemented in Usfos, which could be used in connection with (Quasi)Static "Pushover" Analyses or in connection with Dynamic analyses, (Dynamic Pushover, Wave in Deck etc).

The available Wave Theories are:

• Regular Waves. Airy Theory.
• Regular Waves. Stoke 5'th order theory.
• Regular Waves, Stream Function.

Usfos calculates the forces using Morison's equation, and uses non linear wave theory always. Buoyancy and Flooded elements could be specified, and the buoyancy forces, (as well as all other hydrodynamic forces), are calculated on basis of the instantaneous surface elevation.  

Additional hydrodynamic parameters:

• Current (Depth profile, Time dependency)
• Marine Growth (depth profile)
• Drag and Mass Coefficients (Depth profiles or Element by element)
• Buoyancy (constant or time dependent)

The hydrodynamic parameters as well as all relevant results could be visualized in the Graphical User Interface. Some of the possibilites are described in the examples.