Wind Force Coefficients

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Wind Force Coefficients

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Theory

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

Relative floating body/wind heading, Cwy, Cwz, Cwθ

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

Relevant Keywords

*WIND COEFF is used to specify wind coefficients used to determine the wind 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.