Longitudinal motion prediction of hybrid monohull considering three-dimensional viscous correction

Xujie Wang; Jide Li; Chuan Qi

doi:10.1117/12.905957

28 October 2011 Longitudinal motion prediction of hybrid monohull considering three-dimensional viscous correction

Xujie Wang, Jide Li, Chuan Qi

Proceedings Volume 8205, 2011 International Conference on Photonics, 3D-Imaging, and Visualization; 82052A (2011) https://doi.org/10.1117/12.905957
Event: 2011 International Conference on Photonics, 3D-imaging, and Visualization, 2011, Guangzhou, China

Abstract

Using traditional strip method to predict the longitudinal motion of the hybrid monohull, the predicted results are very different from test results, it can not reflect the effect of the built-up appendage. This paper presents a method to predict the longitudinal motion of hybrid monohull by using computational fluid dynamics software. In this paper, FLUENT software is used to calculate the radiation force of three-dimensional hull which slightly heaving and pitching on free surface, and the lift force of built-up appendage with several attack angles. According to the force calculated by using FLUENT, it further calculates the viscous hydrodynamic coefficients of the hull and the lift force coefficients of the built-up appendage. At last, it predicts the longitudinal motion of the hybrid monohull by STF method. The research shows that, the predicted results of three-dimensional viscous corrected method fit the test results well.

Citation Download Citation

Xujie Wang, Jide Li, and Chuan Qi "Longitudinal motion prediction of hybrid monohull considering three-dimensional viscous correction", Proc. SPIE 8205, 2011 International Conference on Photonics, 3D-Imaging, and Visualization, 82052A (28 October 2011); https://doi.org/10.1117/12.905957

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