Advanced design software for mastering ship geometry

 Menu bar/Tools/Tank Calibration 



           Automatically calibrates current ship’s tanks and creates for each tank: 

              -       Tank location / presentation plan.

              -       Tank calibration diagram showing volume, weight, LCG, VCG, VCGt, FS area and FSM curves according to sounding / ullage. 

              -       Tank calibration table displaying volume, weight, LCG, TCG, VCG, VCGt, FS area and FSM. 

              -       Tank Pipe Data table (if current tank contains a sounding pipe) displaying tank and pipe’s sounding / ullages, volumes, weights, and corresponding pipe coordinates. 

            It is recalled that when tanks contain a sounding pipe (i.e. an affiliated line in the ‘Sounding Pipe Layer’ declared on [Ship] tab's [Hydro] page), the reports automatically include the corresponding sounding pipe data and the ‘Sounding Tables’ function detailed below becomes usable (see FAQ for more details).

             Tank Pipe Affiliation



    The following dialog box pops up when the function is selected:


           Tank Calibration DB


             The ‘Step’ input field allows entering the free surface increment, provided that heel and trim are fixed to 0°.  .

             The ‘F.S. Incrementation’ selector allows selecting whether table’s tank fillings are displayed from 0% to 100% or from 100% to 0%.

             The input field located in the  ‘Document Name’ frame allows naming the 2D folder in which the reports will be created.

             Finally, when the input data are set:

             The [OK] button can be clicked for starting the tank calibration.

             The [Help] button allows displaying the online help (Internet access necessary).

             The [Cancel] button allows cancelling the calculation.



            After clicking on the [OK] button, a 2D folder is created in the [2D] tab, containing a 'General' tanks presentation folder and an individual folder per tank, containing its calibration reports:

            1: General Tank Presentation:

For further details on controlling the tank presentation report's  layout, see the corresponding FAQ item.

Tank Presentation Perspective

When a 'Capacity Layout' has been also defined on [Ship] tab's [Capacity Layout] page (see FAQ item), a user-defined tank presentation plan is automatically added:

Tank Presentation Plan

            2: Tank Location / Presentation Plan (for each tank)

Tank Calibration Report 1


           3: Tank Calibration Diagram (for each tank):

Tank Calibration Report 2


            4: Tank Calibration Table (for each tank):

Tank Calibration Report 3


            5: Tank Pipe Data Table (for each tank):

Tank Calibration Report 4



            - For obvious reasons, this function only operates when tanks are included in ship’s model.

            - Tank pipes must be affiliated to the tanks if you want to calculate the tank pipe data.

            - Tank’s permeability and density must be set to realistic values.


Typical use:

            Calibrating ship’s tanks for designer’s purpose  (use ‘/Tools/Sounding Tables’ for getting ship tank’s onboard data).



            Open the ‘Example Ship.m2a’ file and double click on ‘Damage 100% Supply’ in the 3D browser to select this virtual ship:

               - Select "/Curve/Line/Line" in the menu bar.

               - Type '12.9,0.1,0.1[Return]' to input tank pipe's bottom.

               - Type '12.9,0.1,1.2[Return]' to input tank pipe's top.

               - Check the 'Tank Pipe Layer' on [Ship] tab's [ Hydro] page.

               - Click on the [Data] tab to display the corresponding page.

               - Rename the created line 'GO PS Tank Pipe' in the 3D browser

               - Set 'GO PS Tank Pipe' line's layer to the current  'Tank Pipe Layer'.

               - Drag the 'GO PS Tank Pipe' line with the 3D browser to drop it in the 'GO PS' tank.

               - Select '/Tools/Tank Calibration' and validate directly.

               - Compare the results obtained with and without affiliating a tank pipe.

               - Compare these results with the 'Sounding Tables' results.