Radiation Stress Component Calculator

✖Ratio of Wave Group Speed and Phase Speed is ratio of the group speed (cg) the speed with which the energy of the waves moves, while the phase speed (c) the velocity of a wave crest.ⓘ Ratio of Wave Group Speed and Phase Speed [n]			+10% -10%
✖Mass Density is a physical quantity that represents the mass of a substance per unit volume.ⓘ Mass Density [ρ]			+10% -10%
✖Wave Height of a surface wave is the difference between the elevations of a crest and a neighbouring trough.ⓘ Wave Height [H]			+10% -10%
✖Wave Crest Angle is the angle at which the crest of a wave approaches or intersects with another medium, such as the shoreline or another wave.ⓘ Wave Crest Angle [α]			+10% -10%

✖Radiation Stress Component is the momentum transferred through the water body per unit of time (the flux of momentum) by wave orbital motion.ⓘ Radiation Stress Component [S_xy]

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Radiation Stress Component Solution

STEP 0: Pre-Calculation Summary

Formula Used

Radiation Stress Component = (Ratio of Wave Group Speed and Phase Speed/8)*Mass Density*[g]*(Wave Height^2)*cos(Wave Crest Angle)*sin(Wave Crest Angle)
S_xy = (n/8)*ρ*[g]*(H^2)*cos(α)*sin(α)
This formula uses 1 Constants, 2 Functions, 5 Variables

Constants Used

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

Functions Used

sin - Sine is a trigonometric function that describes the ratio of the length of the opposite side of a right triangle to the length of the hypotenuse., sin(Angle)
cos - Cosine of an angle is the ratio of the side adjacent to the angle to the hypotenuse of the triangle., cos(Angle)

Variables Used

Radiation Stress Component - Radiation Stress Component is the momentum transferred through the water body per unit of time (the flux of momentum) by wave orbital motion.
Ratio of Wave Group Speed and Phase Speed - Ratio of Wave Group Speed and Phase Speed is ratio of the group speed (cg) the speed with which the energy of the waves moves, while the phase speed (c) the velocity of a wave crest.
Mass Density - (Measured in Kilogram per Cubic Meter) - Mass Density is a physical quantity that represents the mass of a substance per unit volume.
Wave Height - (Measured in Meter) - Wave Height of a surface wave is the difference between the elevations of a crest and a neighbouring trough.
Wave Crest Angle - (Measured in Radian) - Wave Crest Angle is the angle at which the crest of a wave approaches or intersects with another medium, such as the shoreline or another wave.

STEP 1: Convert Input(s) to Base Unit

Ratio of Wave Group Speed and Phase Speed: 0.05 --> No Conversion Required
Mass Density: 997 Kilogram per Cubic Meter --> 997 Kilogram per Cubic Meter No Conversion Required
Wave Height: 0.714 Meter --> 0.714 Meter No Conversion Required
Wave Crest Angle: 60 Degree --> 1.0471975511964 Radian (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

S_xy = (n/8)*ρ*[g]*(H^2)*cos(α)*sin(α) --> (0.05/8)*997*[g]*(0.714^2)*cos(1.0471975511964)*sin(1.0471975511964)

Evaluating ... ...

S_xy = 13.489408630481

STEP 3: Convert Result to Output's Unit

13.489408630481 --> No Conversion Required

FINAL ANSWER

13.489408630481 ≈ 13.48941 <-- Radiation Stress Component

(Calculation completed in 00.004 seconds)

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Home » Engineering » Civil » Coastal and Ocean Engineering » Surf Zone Hydrodynamics » Nearshore Currents » Longshore Current » Radiation Stress Component

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Created by Mithila Muthamma PA

Coorg Institute of Technology (CIT), Coorg

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< Longshore Current Calculators

Longshore Current Speed

LaTeX Go Longshore Current Speed = (5*pi/16)*tan(Modified Beach Slope)*Breaker Depth Index*sqrt([g]*Water Depth)*sin(Wave Crest Angle)*cos(Wave Crest Angle)/Bottom Friction Coefficient

Ratio of Wave Group Speed and Phase Speed

LaTeX Go Ratio of Wave Group Speed and Phase Speed = (Radiation Stress Component*8)/(Mass Density*[g]*Wave Height^2*cos(Wave Crest Angle)*sin(Wave Crest Angle))

Radiation Stress Component

LaTeX Go Radiation Stress Component = (Ratio of Wave Group Speed and Phase Speed/8)*Mass Density*[g]*(Wave Height^2)*cos(Wave Crest Angle)*sin(Wave Crest Angle)

Wave Height given Radiation Stress Component

LaTeX Go Wave Height = sqrt((Radiation Stress Component*8)/Mass Density*[g]*cos(Wave Crest Angle)*sin(Wave Crest Angle))

Radiation Stress Component Formula

LaTeX Go

Radiation Stress Component = (Ratio of Wave Group Speed and Phase Speed/8)*Mass Density*[g]*(Wave Height^2)*cos(Wave Crest Angle)*sin(Wave Crest Angle)
S_xy = (n/8)*ρ*[g]*(H^2)*cos(α)*sin(α)

What is Longshore Drift & Longshore Current?

Longshore drift from longshore current is a geological process that consists of the transportation of sediments along a coast parallel to the shoreline, which is dependent on oblique incoming wave direction.
Wave and Wind induced longshore currents flow parallel to the shoreline and are strongest in the surf zone, decaying rapidly seaward of the breakers. These currents are generated by gradients in momentum flux (radiation stress) due to the decay of obliquely incident waves and the longshore component of the wind.

What is Wave setup and Wave set down?

In fluid dynamics, 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.

How to Calculate Radiation Stress Component?

Radiation Stress Component calculator uses Radiation Stress Component = (Ratio of Wave Group Speed and Phase Speed/8)*Mass Density*[g]*(Wave Height^2)*cos(Wave Crest Angle)*sin(Wave Crest Angle) to calculate the Radiation Stress Component, The Radiation Stress Component formula is defined as the transport of x-momentum in the y-direction which acts as a shear stress on the plane, directed in the x-direction, and works on the plane normal to the y-direction. Radiation Stress Component is denoted by S_xy symbol.

How to calculate Radiation Stress Component using this online calculator? To use this online calculator for Radiation Stress Component, enter Ratio of Wave Group Speed and Phase Speed (n), Mass Density (ρ), Wave Height (H) & Wave Crest Angle (α) and hit the calculate button. Here is how the Radiation Stress Component calculation can be explained with given input values -> 0.269788 = (0.05/8)*997*[g]*(0.714^2)*cos(1.0471975511964)*sin(1.0471975511964).

FAQ

What is Radiation Stress Component?

The Radiation Stress Component formula is defined as the transport of x-momentum in the y-direction which acts as a shear stress on the plane, directed in the x-direction, and works on the plane normal to the y-direction and is represented as S_xy = (n/8)*ρ*[g]*(H^2)*cos(α)*sin(α) or Radiation Stress Component = (Ratio of Wave Group Speed and Phase Speed/8)*Mass Density*[g]*(Wave Height^2)*cos(Wave Crest Angle)*sin(Wave Crest Angle). Ratio of Wave Group Speed and Phase Speed is ratio of the group speed (cg) the speed with which the energy of the waves moves, while the phase speed (c) the velocity of a wave crest, Mass Density is a physical quantity that represents the mass of a substance per unit volume, Wave Height of a surface wave is the difference between the elevations of a crest and a neighbouring trough & Wave Crest Angle is the angle at which the crest of a wave approaches or intersects with another medium, such as the shoreline or another wave.

How to calculate Radiation Stress Component?

The Radiation Stress Component formula is defined as the transport of x-momentum in the y-direction which acts as a shear stress on the plane, directed in the x-direction, and works on the plane normal to the y-direction is calculated using Radiation Stress Component = (Ratio of Wave Group Speed and Phase Speed/8)*Mass Density*[g]*(Wave Height^2)*cos(Wave Crest Angle)*sin(Wave Crest Angle). To calculate Radiation Stress Component, you need Ratio of Wave Group Speed and Phase Speed (n), Mass Density (ρ), Wave Height (H) & Wave Crest Angle (α). With our tool, you need to enter the respective value for Ratio of Wave Group Speed and Phase Speed, Mass Density, Wave Height & Wave Crest Angle 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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