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BCGhydraulics

Simple spectrum question

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Dear Aquaveo Tech Support,

MODEL: CMS WAVE

TOPIC: Directional spectrum representation

GOAL: Determine units and integration method to calculate the zeroth moment of the directional spectrum

ISSUE: I output a spectrum using the observation cell feature, which gives me frequency bins, etc. Now when I try to integrate S(f,theta) over the theta direction, I obtain the same plot as in SMS (using the spectral energy menu); however, I am unable to compute the correct m0 = int( S(f) df ) so that I retrieve the correct significant wave height.

Would you help me devise what's going on? Many thanks.

John

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