JONSWAP Peak Frequency

Peak angular frequency of the JONSWAP spectrum: ω_p = 22 (g²/(V·F))^(1/3).

WeatherWaves

Wind speedm/sFetchkm

Peak angular frequency ω_p: 0.515rad/s

Peak period T_p: 12.20s

Peak frequency f_p: 0.082Hz

Changing the inputs requires JavaScript. The calculator above shows its default inputs and result. The formula, symbols, and regulatory sources are shown in the Formula section below.

Formula, assumptions, and limits

\omega_p = 22 \left(\frac{g^2}{V \cdot F}\right)^{1/3}

Symbol	Meaning	Unit
$V$	Wind speed	m/s
$F$	Fetch length	m
$\omega_p$	Peak angular frequency	rad/s
$T_p$	Peak period	s

Source: Hasselmann et al. (1973) - JONSWAP

In short

Peak angular frequency of the JONSWAP spectrum: \u03c9_p = 22 (g\u00b2/(V\u00b7F))^(1/3).

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