Set down for Regular Waves Calculator

✖Wave Height of a surface wave is the difference between the elevations of a crest and a neighboring trough.ⓘ Wave Height [H]			+10% -10%
✖Wavelength of Coast refers to the distance between two successive crests or troughs of a wave as it travels through the water near the shore.ⓘ Wavelength of Coast [λ]			+10% -10%
✖Water Depth of the considered catchment is the depth as measured from the water level to the bottom of the considered water body.ⓘ Water Depth [d]			+10% -10%

✖Mean Water Surface Elevation of Coast is the height, in relation to mean sea level of floods of various magnitudes and frequencies in the floodplains of coastal or riverine areas.ⓘ Set down for Regular Waves [η'_o]

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Formula

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Set down for Regular Waves

Formula

η' o = (- \frac{1}{8}) \cdot (\frac{H^{2} \cdot (2 \cdot \frac{π}{λ})}{\sinh (4 \cdot π \cdot \frac{d}{λ})})

Example

-0.514668 m = (- \frac{1}{8}) \cdot (\frac{{3 m}^{2} \cdot (2 \cdot \frac{π}{26.8 m})}{\sinh (4 \cdot π \cdot \frac{1.05 m}{26.8 m})})

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Set down for Regular Waves Solution

STEP 0: Pre-Calculation Summary

Formula Used

Mean Water Surface Elevation of Coast = (-1/8)*((Wave Height^2*(2*pi/Wavelength of Coast))/(sinh(4*pi*Water Depth/Wavelength of Coast)))
η'_o = (-1/8)*((H^2*(2*pi/λ))/(sinh(4*pi*d/λ)))
This formula uses 1 Constants, 1 Functions, 4 Variables

Constants Used

pi - Archimedes' constant Value Taken As 3.14159265358979323846264338327950288

Functions Used

sinh - The hyperbolic sine function, also known as the sinh function, is a mathematical function that is defined as the hyperbolic analogue of the sine function., sinh(Number)

Variables Used

Mean Water Surface Elevation of Coast - (Measured in Meter) - Mean Water Surface Elevation of Coast is the height, in relation to mean sea level of floods of various magnitudes and frequencies in the floodplains of coastal or riverine areas.
Wave Height - (Measured in Meter) - Wave Height of a surface wave is the difference between the elevations of a crest and a neighboring trough.
Wavelength of Coast - (Measured in Meter) - Wavelength of Coast refers to the distance between two successive crests or troughs of a wave as it travels through the water near the shore.
Water Depth - (Measured in Meter) - Water Depth of the considered catchment is the depth as measured from the water level to the bottom of the considered water body.

STEP 1: Convert Input(s) to Base Unit

Wave Height: 3 Meter --> 3 Meter No Conversion Required
Wavelength of Coast: 26.8 Meter --> 26.8 Meter No Conversion Required
Water Depth: 1.05 Meter --> 1.05 Meter No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

η'_o = (-1/8)*((H^2*(2*pi/λ))/(sinh(4*pi*d/λ))) --> (-1/8)*((3^2*(2*pi/26.8))/(sinh(4*pi*1.05/26.8)))

Evaluating ... ...

η'_o = -0.51466840656291

STEP 3: Convert Result to Output's Unit

-0.51466840656291 Meter --> No Conversion Required

FINAL ANSWER

-0.51466840656291 ≈ -0.514668 Meter <-- Mean Water Surface Elevation of Coast

(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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< Wave Setup Calculators

Set down for Regular Waves

Go Mean Water Surface Elevation of Coast = (-1/8)*((Wave Height^2*(2*pi/Wavelength of Coast))/(sinh(4*pi*Water Depth/Wavelength of Coast)))

Mean Water Surface Elevation given Total Water Depth

Go Mean Water Surface Elevation = Coastal Water Depth-Still-Water Depth

Still Water Depth given Total Water Depth

Go Still-Water Depth = Coastal Water Depth-Mean Water Surface Elevation

Total Water Depth

Go Coastal Water Depth = Still-Water Depth+Mean Water Surface Elevation

Set down for Regular Waves Formula

Mean Water Surface Elevation of Coast = (-1/8)*((Wave Height^2*(2*pi/Wavelength of Coast))/(sinh(4*pi*Water Depth/Wavelength of Coast)))
η'_o = (-1/8)*((H^2*(2*pi/λ))/(sinh(4*pi*d/λ)))

What is Wave Runup & Wave Setup and Setdown?

Wave runup is the maximum vertical extent of wave uprush on a beach or structure above the still water level (SWL). It is the sum of wave set-up and swash uprush (see Swash Zone Dynamics) and must be added to the water level reached as a result of tides and wind set-up.
The wave setup is the increase in mean water level due to the presence of breaking waves. Similarly, wave set down is a wave-induced decrease of the mean water level before the waves break.
The wave setdown is a wave-induced decrease of the mean water level before the waves break (during the shoaling process). For short, the whole phenomenon is often denoted as wave setup, including both increase and decrease of mean elevation.

Define Breaking Wave & cause of Regular Waves.

In fluid dynamics, a breaking wave or breaker is a wave whose amplitude reaches a critical level at which some process can suddenly start to occur causing large amounts of wave energy to be transformed into turbulent kinetic energy.
Waves are most commonly caused by wind. Wind-driven waves, or surface waves, are created by the friction between wind and surface water. As the wind blows across the surface of the ocean or a lake, the continual disturbance creates a wave crest. The gravitational pull of the Sun and Moon on the Earth causes waves.

How to Calculate Set down for Regular Waves?

Set down for Regular Waves calculator uses Mean Water Surface Elevation of Coast = (-1/8)*((Wave Height^2*(2*pi/Wavelength of Coast))/(sinh(4*pi*Water Depth/Wavelength of Coast))) to calculate the Mean Water Surface Elevation of Coast, The Set down for Regular Waves formula is defined as the set down in mean water level for a regular wave (wave component) that has a single frequency (wavelength) and amplitude (height). Mean Water Surface Elevation of Coast is denoted by η'_o symbol.

How to calculate Set down for Regular Waves using this online calculator? To use this online calculator for Set down for Regular Waves, enter Wave Height (H), Wavelength of Coast (λ) & Water Depth (d) and hit the calculate button. Here is how the Set down for Regular Waves calculation can be explained with given input values -> -0.514668 = (-1/8)*((3^2*(2*pi/26.8))/(sinh(4*pi*1.05/26.8))).

FAQ

What is Set down for Regular Waves?

The Set down for Regular Waves formula is defined as the set down in mean water level for a regular wave (wave component) that has a single frequency (wavelength) and amplitude (height) and is represented as η'_o = (-1/8)*((H^2*(2*pi/λ))/(sinh(4*pi*d/λ))) or Mean Water Surface Elevation of Coast = (-1/8)*((Wave Height^2*(2*pi/Wavelength of Coast))/(sinh(4*pi*Water Depth/Wavelength of Coast))). Wave Height of a surface wave is the difference between the elevations of a crest and a neighboring trough, Wavelength of Coast refers to the distance between two successive crests or troughs of a wave as it travels through the water near the shore & Water Depth of the considered catchment is the depth as measured from the water level to the bottom of the considered water body.

How to calculate Set down for Regular Waves?

The Set down for Regular Waves formula is defined as the set down in mean water level for a regular wave (wave component) that has a single frequency (wavelength) and amplitude (height) is calculated using Mean Water Surface Elevation of Coast = (-1/8)*((Wave Height^2*(2*pi/Wavelength of Coast))/(sinh(4*pi*Water Depth/Wavelength of Coast))). To calculate Set down for Regular Waves, you need Wave Height (H), Wavelength of Coast (λ) & Water Depth (d). With our tool, you need to enter the respective value for Wave Height, Wavelength of Coast & Water Depth 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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