Period of Significant Wave in SMB Prediction Method Calculator

✖Wind Speed is a fundamental atmospheric quantity caused by air moving from high to low pressure, usually due to changes in temperature.ⓘ Wind Speed [U]			+10% -10%
✖Fetch Parameter is often associated with the concept of fetch, which is the unobstructed distance over which the wind blows across a body of water in a constant direction.ⓘ Fetch Parameter [φ]			+10% -10%

✖Significant Wave Period is average time interval between successive wave crests, a key parameter in describing wave characteristics in oceanography.ⓘ Period of Significant Wave in SMB Prediction Method [T_sig]

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Formula

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Period of Significant Wave in SMB Prediction Method

Formula

`"T"_{"sig"} = ("U"*7.540*tanh(0.077*"φ"^0.25))/"[g]"`

Example

`"0.248339s"=("4m/s"*7.540*tanh(0.077*("1.22")^0.25))/"[g]"`

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Period of Significant Wave in SMB Prediction Method Solution

STEP 0: Pre-Calculation Summary

Formula Used

Significant Wave Period = (Wind Speed*7.540*tanh(0.077*Fetch Parameter^0.25))/[g]
T_sig = (U*7.540*tanh(0.077*φ^0.25))/[g]
This formula uses 1 Constants, 1 Functions, 3 Variables

Constants Used

[g] - Gravitational acceleration on Earth Value Taken As 9.80665

Functions Used

tanh - The hyperbolic tangent function (tanh) is a function that is defined as the ratio of the hyperbolic sine function (sinh) to the hyperbolic cosine function (cosh)., tanh(Number)

Variables Used

Significant Wave Period - (Measured in Second) - Significant Wave Period is average time interval between successive wave crests, a key parameter in describing wave characteristics in oceanography.
Wind Speed - (Measured in Meter per Second) - Wind Speed is a fundamental atmospheric quantity caused by air moving from high to low pressure, usually due to changes in temperature.
Fetch Parameter - Fetch Parameter is often associated with the concept of fetch, which is the unobstructed distance over which the wind blows across a body of water in a constant direction.

STEP 1: Convert Input(s) to Base Unit

Wind Speed: 4 Meter per Second --> 4 Meter per Second No Conversion Required
Fetch Parameter: 1.22 --> No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

T_sig = (U*7.540*tanh(0.077*φ^0.25))/[g] --> (4*7.540*tanh(0.077*1.22^0.25))/[g]

Evaluating ... ...

T_sig = 0.248338901271492

STEP 3: Convert Result to Output's Unit

0.248338901271492 Second --> No Conversion Required

FINAL ANSWER

0.248338901271492 ≈ 0.248339 Second <-- Significant Wave Period

(Calculation completed in 00.004 seconds)

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Created by Mithila Muthamma PA

Coorg Institute of Technology (CIT), Coorg

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< 9 SMB Prediction Method Calculators

Wind Speed given Duration of Wind in SMB Prediction Method

Go Wind Speed = ([g]*Duration of the Wind)/(6.5882*exp((0.0161*(ln(Fetch Parameter)^2)-0.3692*ln(Fetch Parameter)+2.2024)^0.5+0.8798*ln(Fetch Parameter)))

Duration of Wind in SMB Prediction Method

Go Duration of the Wind = Wind Speed*6.5882*exp((0.0161*(ln(Fetch Parameter)^2)-0.3692*ln(Fetch Parameter)+2.2024)^0.5+0.8798*ln(Fetch Parameter))/[g]

Wind Speed for Significant Wave Height in SMB Prediction Method

Go Wind Speed = sqrt([g]*Significant Wave Height for SMB Prediction Method/(0.283*tanh(0.0125*Fetch Parameter^0.42)))

Significant Wave Height in SMB Prediction Method

Go Significant Wave Height for SMB Prediction Method = (Wind Speed^2*0.283*tanh(0.0125*Fetch Parameter^0.42))/[g]

Wind Speed given Period of Significant Wave in SMB Prediction Method

Go Wind Speed = ([g]*Significant Wave Period)/(7.540*tanh(0.077*Fetch Parameter^0.25))

Period of Significant Wave in SMB Prediction Method

Go Significant Wave Period = (Wind Speed*7.540*tanh(0.077*Fetch Parameter^0.25))/[g]

Wind Speed given Fetch Parameter in SMB Prediction Method

Go Wind Speed = sqrt([g]*Fetch Length/Fetch Parameter)

Fetch Length given Fetch Parameter in SMB Prediction Method

Go Fetch Length = (Fetch Parameter*Wind Speed^2)/[g]

Fetch Parameter in SMB Prediction Method

Go Fetch Parameter = ([g]*Fetch Length)/Wind Speed^2

Period of Significant Wave in SMB Prediction Method Formula

Significant Wave Period = (Wind Speed*7.540*tanh(0.077*Fetch Parameter^0.25))/[g]
T_sig = (U*7.540*tanh(0.077*φ^0.25))/[g]

What is Significant Wave Height?

Significant wave height is defined as the average wave height, from trough to crest, of the highest one-third of the waves. Devised by oceanographer Walter Munk during World War II, the significant wave height provides an estimation of wave heights recorded by a trained observer from a fixed point at sea.

How to Calculate Period of Significant Wave in SMB Prediction Method?

Period of Significant Wave in SMB Prediction Method calculator uses Significant Wave Period = (Wind Speed*7.540*tanh(0.077*Fetch Parameter^0.25))/[g] to calculate the Significant Wave Period, The Period of Significant Wave in SMB Prediction Method formula is defined as the time it takes for two successive crests or troughs to pass one point on the water surface. Significant Wave Period is denoted by T_sig symbol.

How to calculate Period of Significant Wave in SMB Prediction Method using this online calculator? To use this online calculator for Period of Significant Wave in SMB Prediction Method, enter Wind Speed (U) & Fetch Parameter (φ) and hit the calculate button. Here is how the Period of Significant Wave in SMB Prediction Method calculation can be explained with given input values -> 0.248339 = (4*7.540*tanh(0.077*1.22^0.25))/[g].

FAQ

What is Period of Significant Wave in SMB Prediction Method?

The Period of Significant Wave in SMB Prediction Method formula is defined as the time it takes for two successive crests or troughs to pass one point on the water surface and is represented as T_sig = (U*7.540*tanh(0.077*φ^0.25))/[g] or Significant Wave Period = (Wind Speed*7.540*tanh(0.077*Fetch Parameter^0.25))/[g]. Wind Speed is a fundamental atmospheric quantity caused by air moving from high to low pressure, usually due to changes in temperature & Fetch Parameter is often associated with the concept of fetch, which is the unobstructed distance over which the wind blows across a body of water in a constant direction.

How to calculate Period of Significant Wave in SMB Prediction Method?

The Period of Significant Wave in SMB Prediction Method formula is defined as the time it takes for two successive crests or troughs to pass one point on the water surface is calculated using Significant Wave Period = (Wind Speed*7.540*tanh(0.077*Fetch Parameter^0.25))/[g]. To calculate Period of Significant Wave in SMB Prediction Method, you need Wind Speed (U) & Fetch Parameter (φ). With our tool, you need to enter the respective value for Wind Speed & Fetch Parameter and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

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