# CMS-Wave:Wave-current Interaction

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## Wave-current Interaction

The characteristic velocities , , and are calculated as

(1) |

(2) |

(3) |

The dispersion relationships between the relative angular frequency σ, the absolute angular frequency ω, the wave number vector k, and the current velocity vector U = U2 +V2 are (Jonsson 1990)

Symbol | Description |
---|---|

Wave celerity | |

Wave group velocity | |

Wave frequency | |

Spectral wave density | |

Wave number | |

Total water depth | |

Depth-averaged current velocity in x-direction | |

Depth-averaged current velocity in y-direction |