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Squat Calculation

When ship is underway, water passes around its hull, creating a depression into which the vessel sits. This phenomenon is called squat, caused by the forward speed of vessel. Squat is calculated by empirical formulas.

Squat calculation features two methods:

  • Huuska-Icorels for shallow (open) channel cross-section
  • Guliev for canal, trench and shallow (open) channel cross-section

Squat calculation uses design ship dimensions and channel width values and will insert values automatically to calculation sheet. Calculation and results is presented in Microsoft Excel- report template.

MOUS_ICO Menu: Waterway Squat Calculation
MOUS_ICO Toolbar: Waterway Squat Calculation

The dialog box “Squat Calculation” will pop up.

Selection calculation method

Select desired calculation method based on the channel cross-section

  • Shallow (open) cross-section: Huuska-Icorels and Guliev C
  • Trench cross-section: Guliev B
  • Canal cross-section: Guliev A

Input values

Default values are shown in the dialog. Specify manually the desired value.

Generate Excel Report

Pressing the button will open Excel and display report. Report contains two pages:

  • First page shows calculation values and results
  • Second page shows Squat prediction graph

Example of the Huuska-Icorels- report first page: Example of the Huuska-Icorels Squat prediction graph:


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