A benchmark program for comparing hydrodynamic forces obtained from simulations and captive tests
Author Ferrari, V. and Quadvlieg, F. H. H. A.
Title A benchmark program for comparing hydrodynamic forces obtained from simulations and captive tests
Conference/Journal MARTECH 2014, 2nd International Conference on Maritime Engineering and Technology, Lisbon, Portugal
Month October
Year 2014

Abstract
The purpose of this paper is to present a benchmark program for comparing hydrodynamic co-efficients calculated by manoeuvring prediction software with measurements taken from model tests. For every ship that is to be tested an input file must be provided, containing the main particulars and information on the propulsion and steering system, together with an offset file describing her geometry. The experimental data as well should be set-up in an input file. The benchmark automatically creates input files for the chosen manoeuvring software, runs the software and manages the output files. It reads from these outputs, collects the model test measurements and plots the results. Some test-cases are presented in the paper, showing the poten-tialities and flexibility of the benchmark. To this purpose a manoeuvring prediction program is used as exam-ple and its theory briefly explained. Its simulations are then compared with the benchmark of experimental data.

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