Derive wave spectrum from scatter diagram

In summary, a scatter diagram is a graphical representation of the relationship between two variables, while a wave spectrum is a graphical representation of the energy distribution of waves in a body of water. A wave spectrum can be derived from a scatter diagram by analyzing the amplitude and frequency of the data points. The shape of a wave spectrum can be affected by factors such as wind speed, wind direction, water depth, and coastline shape. Deriving a wave spectrum is important for various industries and for predicting and preparing for severe weather conditions.
  • #1
Vu Compra
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Homework Statement


For a downtime analysis the spectrum of motion has to be calculated with the wave spectrum and the RAOs (given) for several frequencies. Given is a wave scatter diagram with the significant wave height (Hs) and the peak period (Tp). How convert the significant wave height and peak period into a spectrum?


Homework Equations


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The Attempt at a Solution


What can be done with the zero-order-moment m0?
Though in here only the significant wave height is incorporated, not the peak period
 
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  • #2
Solution found:
JONSWAP-spectrum
 

Related to Derive wave spectrum from scatter diagram

1. How do you interpret a scatter diagram?

A scatter diagram is a graphical representation of a relationship between two variables. Each point on the graph represents the value of the two variables for a specific data point. The general pattern of the points can provide information about the relationship between the variables, such as whether they are positively or negatively correlated.

2. What is a wave spectrum?

A wave spectrum is a graphical representation of the energy distribution of waves in a particular body of water. It shows the amplitude and frequency of the waves, and can provide information about the types of waves present, such as wind waves or swell waves.

3. How is a wave spectrum derived from a scatter diagram?

A wave spectrum can be derived from a scatter diagram by analyzing the amplitude and frequency of the data points. The amplitude of the waves is represented by the height of the data points, while the frequency is represented by the spacing of the data points along the x-axis. By analyzing these patterns, a wave spectrum can be created.

4. What factors can affect the shape of a wave spectrum?

Several factors can affect the shape of a wave spectrum, including wind speed, wind direction, water depth, and the shape of the coastline. These factors can influence the type and size of waves present, which can be reflected in the shape of the wave spectrum.

5. Why is it important to derive a wave spectrum?

Deriving a wave spectrum is important because it provides valuable information for various industries, such as marine transportation and offshore engineering. It can also help in predicting and preparing for severe weather conditions, as well as understanding the impact of waves on coastal structures and ecosystems.

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