Development of a framework for the design of hydrodynamic components for innovative manoeuvring and propulsion devices
The German shipbuilding industry is currently characterised by strong specialisation and diversification. This trend has intensified considerably in recent years due to a complex market environment, so that shipyards and suppliers increasingly have to assess and optimize complex requirements for new products in detail in order to remain competitive. The development of innovative products, especially in the field of hydrodynamics, is characterized by long development times, high development efforts and in some cases extensive model tests and measurements on board.
In the geometrical description of propellers and other appendices, the interfaces between design, numerical simulation, model making and production lead to in some cases considerable losses of accuracy and differences. The aim of the project is therefore to create a platform for efficient modelling and geometrical description of complex drive configurations. To this end, a software framework is to be developed that will facilitate cooperation between shipyards, suppliers, research institutes, etc. in particular.
This project is carried out in cooperation with national industrial companies, research institutes, universities and a software producer. In the medium term, this should lead to a new international standard. The three-year project is funded by the Federal Ministry of Economics and Technology.
Subproject: Development of the framework core and implementation in RANSE-WorkFlow “(HYKOPS-CORE)
The forms of modern inland waterway vessels are very complex. Up to four propellers with nozzles and multiple rudder systems are built into the fuselage, which is designed for limited water depth requirements. The geometrical description of the various drive and manoeuvring elements is done in different ways, which cannot be represented in a uniform way with the data formats available today. In the course of ship development – from preliminary design to production – the geometry description is often implemented, which leads to increased workload, errors and thus avoidable time and cost losses.
The most commonly used PFF format for describing the propeller geometry is not sufficient to describe the geometries of modern propellers. This sub-project, which is managed by the DST, has several objectives: Firstly, it should be ensured that the framework specification takes into account all the requirements of inland waterway transport and coastal vessels. In addition, essential components of the framework core and the user interface are developed. Finally, the framework is integrated into the RANSE workflow in this subproject.
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