Current Force Coefficients

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Current Force Coefficients

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Theory

Each line of data in a current coefficient file has the following format:

Relative floating body/current heading, Ccy, Ccz, Ccθ

This line is repeated until current coefficient values are specified for all headings. Relative floating body/current heading in this context is defined as the angle of incidence of the current relative to the floating body axes; refer to Definition of Wind and Current Directions for a more detailed definition. Ccy, Ccz, and Ccθ are respectively the current coefficients in surge, sway and yaw at a particular heading.

Relevant Keywords

*CURRENT COEFF is used to specify current coefficients used to determine the current loading on a floating body or moored vessel.

If you would like to see an example of how this keyword is used in practice, refer to D01 - Moored Vessel.