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Contents of the Nearshore Currents PDF

List of 13 Nearshore Currents Formulas

Beach Slope Modified for Wave Setup

Longshore Current at Mid-Surf Zone

Longshore Current Speed

Oscillatory Flow due to Infragravity Waves

Oscillatory Flow due to Wind Waves

Radiation Stress Component

Ratio of Wave Group Speed and Phase Speed

Root Mean Square Wave Height at Breaking given Longshore Current at Mid-Surf Zone

Steady Current driven by Breaking Waves

Tidal Current given Total Current in Surf Zone

Total Current in Surf Zone

Wave Height given Radiation Stress Component

Wind Driven Current given Total Current in Surf Zone

Variables used in Nearshore Currents PDF

C_f Bottom Friction Coefficient
D Water Depth (Meter)
H Wave Height (Meter)
H_rms Root Mean Square Wave Height (Meter)
n Ratio of Wave Group Speed and Phase Speed
S_xy Radiation Stress Component
u Total Current in the Surf Zone (Meter per Second)
u_a Wind Driven Current (Meter per Second)
u_i Oscillatory Flow due to Infragravity Waves (Meter per Second)
u_o Oscillatory Flow due to Wind Waves (Meter per Second)
u_t Tidal Current (Meter per Second)
u_w Steady Current driven by Breaking Waves (Meter per Second)
V Longshore Current Speed (Meter per Second)
V_mid Longshore Current at the Mid-Surf Zone (Meter per Second)
α Wave Crest Angle (Degree)
β Beach Slope
β^* Modified Beach Slope
γ_b Breaker Depth Index
ρ Mass Density (Kilogram per Cubic Meter)

Constants, Functions and Measurements used in Nearshore Currents PDF

Constant: pi, 3.14159265358979323846264338327950288
Archimedes' constant
Constant: [g], 9.80665
Gravitational acceleration on Earth
Function: atan, atan(Number)
Inverse tan is used to calculate the angle by applying the tangent ratio of the angle, which is the opposite side divided by the adjacent side of the right triangle.
Function: cos, cos(Angle)
Cosine of an angle is the ratio of the side adjacent to the angle to the hypotenuse of the triangle.
Function: sin, sin(Angle)
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.
Function: sqrt, sqrt(Number)
A square root function is a function that takes a non-negative number as an input and returns the square root of the given input number.
Function: tan, tan(Angle)
The tangent of an angle is a trigonometric ratio of the length of the side opposite an angle to the length of the side adjacent to an angle in a right triangle.
Measurement: Length in Meter (m)
Length Unit Conversion
Measurement: Speed in Meter per Second (m/s)
Speed Unit Conversion
Measurement: Angle in Degree (°)
Angle Unit Conversion
Measurement: Mass Concentration in Kilogram per Cubic Meter (kg/m³)
Mass Concentration Unit Conversion

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