Delft3D-MOR is a software system developed by WL I Delft Hydraulics in order to simulate the morphological behavior of rivers, estuaries and coasts. The time-scale for these studies could be days or years, and complex interactions between waves, currents, sediment transport and changes in bathymetry are simulated and analysed. Delft3D-MOR is part of the integrated modelling environment Delft3D. The morphological process can be specified as a hierarchical tree structure of processes and sub-processes in which the order and criteria to start and stop the different processes and sub-processes are defined. All those specifications should be given to the Delft3D-MOR control module MAIN. The main objective of this study is to develop a user interface to generate the input file for the Delft3D-MOR's control module. In order to understand how the morphological system works, the study contains some general concepts, background and methodologies about the morphological analysis, the use of Delft3D-MOR, the way to work with the control module MAIN and the structure of the input file for the control module. Special attention has been paid to the selection of the programming language to develop the new user interface. Since Delft3D can be run on multiple platforms using different operating systems, it was decided to use Java. Java is a network-oriented, multi-platform programming language designed to allow programmers to create applications that can be downloaded from a network and run safely on almost any computing platform. The result of the study is a user interface developed in Java, to prepare and modify the input file for the control module of Delft3D-MOR. It highly facilitates the usage of the morphological system. Experiences gained during the study are presented here, and conclusions, as well as some recommendations are given to improve the user interface even further
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