White capping

White capping is primarily controlled by the steepness of the waves. It is important that white capping is included in you model simulation. By exclud­ing the white capping you may, however, evaluate its impact on the establish­ment of an equilibrium sea state.

The breaking wave dissipation source function is detailed described in the Komen et al. (1994) and includes two free parameters; Cdis and DELTA dis.

If white capping is included you have to specify the two dissipation coeffi­cients, Cdis and DELTAdis. The Cdis coefficient is a proportional factor on the white capping dissipation source function and thus control the overall dissipa­tion rate. The DELTAdis coefficient is controlling the weight of dissipation in the energy/action spectrum.

White capping specification
General description
Remarks and hints