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What is LOCKFILL?

LOCKFILL is a quick tool developed by Deltares, enabling the assessment of a shipping lock's performance, in terms of levelling times, forces on vessels and flow velocities on the approach harbour bed.

LOCKFILL computes the longitudinal forces on the ship which are caused by translatory waves, momentum variation, skin friction, the filling jet and a water density difference, based on a one-dimensional approach. The program allows the calculation of various filling and emptying systems in the heads of the lock, e.g. openings in the lock gates, pipes through the gates fitted with butterfly valves, lifting gates or short culverts in the lock head walls. Read more.

The software has a graphical user interface allowing easy input manipulation and showing the computation results in graphs and key indicators. Alternatively, the program can be run in command line.

On this portal you can find the program, its manual and relevant documentation.

 

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License Update

The current Lockfill license has expired (since May 15th).

Due to complications related to the migration of the Open Source Software website the new license is added in the download section as a standalone file. As soon as the issue is addressed a new folder will be added for download, containing both the installer and the license.

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License update

The current Lockfill license has expired (since May 1st). A new version of Lockfill containing...

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