The next step before you build your finite-element mesh is to create several functions forcreating the finite element mesh. For this tutorial, the mesh will be generated accordingto the wavelength at each node. Large elements will be created in regions of longwavelengths. Conversely, smaller elements are needed closer to the shore to correctlymodel the smaller wavelengths.To create this shallow wavelength function from the bathymetric data:1. In the Scatter module, select Data | Create Data Sets.2. In the Create Data Sets dialog, select the All Off button to turn off all of thefunctions.3. Turn on the Coastal function option.4. Turn on the option for creating a Shallow Wavelength/Celerity function. Leavethe period at 20 sec.5. Click the OK button to create the functions and close the dialog.Two functions are created: celerity and wavelength at each node using the shallow waterwavelength equation. The celerity is calculated as:
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