{"id":1236,"date":"2015-06-17T16:25:44","date_gmt":"2015-06-17T14:25:44","guid":{"rendered":"http:\/\/www.sva-potsdam.de\/manoevrieren-2-2\/"},"modified":"2016-06-23T16:01:15","modified_gmt":"2016-06-23T14:01:15","slug":"manoeuvering-cfd","status":"publish","type":"post","link":"https:\/\/www.sva-potsdam.de\/en\/manoeuvering-cfd\/","title":{"rendered":"Manoeuvering"},"content":{"rendered":"
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\"man_CFD_schraeg\"<\/a><\/p>\n<\/div>\n

\nThe use of numerical calculation methods offers many possibilities to investigate ship manoeuvres. In general, numerical calculations analogous to PMM-experiments (Planar Motion Mechanism) are carried out in which static and dynamic simulations are performed to determine the forces and moments as a function of a specific movement of the ship. From this, the hydrodynamic coefficients can be derived and fed into a mathematical model. With the calculation of a complete set of hydrodynamic coefficients, any manoeuvre can be simulated. To verify the quality of the numerical calculations, the calculation results are continually validated with the corresponding measured values. <\/p>\n

Numerical simulations allow to: <\/p>\n

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  • Simulate manoeuvring behaviour in model and full-scale<\/li>\n
  • Simulation of static and dynamic tests<\/li>\n
  • Visualisation of flow, detection of separating flow<\/li>\n
  • Design of control elements such as rudders, thrusters, etc.<\/li>\n<\/ul>\n

    The rudder is by far the most frequently used control element; it operates in the wash of the propeller. Below, the pressure distribution on the rudder for a rudder angle of δR<\/sub> = 20\u00b0 with a rotating propeller is shown. <\/p>\n<\/div>\n<\/div>\n

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     <\/p>\n