Form Number Formula

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Form Number is the ratio of the sum of the amplitudes of the major constituents. Check FAQs
F=O1+K1M2+S2
F - Form Number?O1 - Principal Lunar Diurnal Constituent?K1 - Lunar Solar Constituent?M2 - Principal Lunar Semi-Diurnal Constituent?S2 - Principal Solar Semi-Diurnal Constituent?

Form Number Example

With values
With units
Only example

Here is how the Form Number equation looks like with Values.

Here is how the Form Number equation looks like with Units.

Here is how the Form Number equation looks like.

0.7895Edit=3Edit+12Edit8Edit+11Edit
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Form Number Solution

Follow our step by step solution on how to calculate Form Number?

FIRST Step Consider the formula
F=O1+K1M2+S2
Next Step Substitute values of Variables
F=3+128+11
Next Step Prepare to Evaluate
F=3+128+11
Next Step Evaluate
F=0.789473684210526
LAST Step Rounding Answer
F=0.7895

Form Number Formula Elements

Variables
Form Number
Form Number is the ratio of the sum of the amplitudes of the major constituents.
Symbol: F
Measurement: NAUnit: Unitless
Note: Value can be positive or negative.
Principal Lunar Diurnal Constituent
Principal Lunar Diurnal Constituent refer to the diurnal (daily) constituents of a fictitious moon which has a fixed circular orbit in the mean plane of the real moon.
Symbol: O1
Measurement: NAUnit: Unitless
Note: Value should be greater than 0.
Lunar Solar Constituent
Lunar Solar Constituent refers to the cyclical motions of the Earth, Sun, and Moon system that have a measurable effect on the tides.
Symbol: K1
Measurement: NAUnit: Unitless
Note: Value should be greater than 0.
Principal Lunar Semi-Diurnal Constituent
Principal Lunar Semi-Diurnal Constituent also known as the M2 tidal constituent represents response of ocean to the gravitational forces of the moon, which cause the rise and fall of sea levels.
Symbol: M2
Measurement: NAUnit: Unitless
Note: Value should be greater than 0.
Principal Solar Semi-Diurnal Constituent
Principal Solar Semi-Diurnal Constituent refers to one of the dominant tidal components in the ocean.
Symbol: S2
Measurement: NAUnit: Unitless
Note: Value should be greater than 0.

Other formulas in Harmonic Analysis and Prediction of Tides category

​Go Principal Lunar Diurnal Constituent given Form Number
O1=F(M2+S2)-K1
​Go Lunar-Solar Constituent given Form Number
K1=F(M2+S2)-O1
​Go Principal Lunar Semi-Diurnal Constituent given Form Number
M2=(O1+K1F)-S2
​Go Principal Solar Semi-Diurnal Constituent given Form Number
S2=(O1+K1F)-M2

How to Evaluate Form Number?

Form Number evaluator uses Form Number = (Principal Lunar Diurnal Constituent+Lunar Solar Constituent)/(Principal Lunar Semi-Diurnal Constituent+Principal Solar Semi-Diurnal Constituent) to evaluate the Form Number, The Form Number formula is defined as the ratio of the sum of the amplitudes of the major constituents, expressing how relatively important the diurnal contributions are. Form Number is denoted by F symbol.

How to evaluate Form Number using this online evaluator? To use this online evaluator for Form Number, enter Principal Lunar Diurnal Constituent (O1), Lunar Solar Constituent (K1), Principal Lunar Semi-Diurnal Constituent (M2) & Principal Solar Semi-Diurnal Constituent (S2) and hit the calculate button.

FAQs on Form Number

What is the formula to find Form Number?
The formula of Form Number is expressed as Form Number = (Principal Lunar Diurnal Constituent+Lunar Solar Constituent)/(Principal Lunar Semi-Diurnal Constituent+Principal Solar Semi-Diurnal Constituent). Here is an example- 0.789474 = (3+12)/(8+11).
How to calculate Form Number?
With Principal Lunar Diurnal Constituent (O1), Lunar Solar Constituent (K1), Principal Lunar Semi-Diurnal Constituent (M2) & Principal Solar Semi-Diurnal Constituent (S2) we can find Form Number using the formula - Form Number = (Principal Lunar Diurnal Constituent+Lunar Solar Constituent)/(Principal Lunar Semi-Diurnal Constituent+Principal Solar Semi-Diurnal Constituent).
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