<abstract xmlns="http://www.w3.org/1999/xhtml"><p>The hydrodynamic problem of a two-dimensional wedge entering into a nonlinear wave in three degrees of freedom is investigated based on the incompressible velocity potential theory. The problem is solved through the boundary element method in the time domain. To avoid numerical difficulties due to an extremely small contact area at the initial stage, a stretched coordinate system is used based on the ratio of the Cartesian system in the physical space to the distance travelled by the wedge in the vertical direction. The mutual dependence of body motion and wave loading is decoupled by using the auxiliary function method. Detailed results about body accelerations, velocities and displacements at different Froude numbers or different waves are provided, and the mutual effect between body motion and wave loading is analysed in depth.</p></abstract>

The hydrodynamic problem of a two-dimensional wedge entering into a nonlinear wave in three degrees of freedom is investigated based on the incompressible velocity potential theory. The problem is solved through the boundary element method in the time domain. To avoid numerical difficulties due to an extremely small contact area at the initial stage, a stretched coordinate system is used based on the ratio of the Cartesian system in the physical space to the distance travelled by the wedge in the vertical direction. The mutual dependence of body motion and wave loading is decoupled by using the auxiliary function method. Detailed results about body accelerations, velocities and displacements at different Froude numbers or different waves are provided, and the mutual effect between body motion and wave loading is analysed in depth.

Water Entry of A Wedge Into Waves in Three Degrees Offreedom

Jiangsu University of Science and Technology

Polish Maritime Research

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

{"article-title":"Water Entry of A Wedge Into Waves in Three Degrees Offreedom"}

The hydrodynamic problem of a two-dimensional wedge entering into a nonlinear wave in three degrees of freedom is investigated based on the incompressible...

Water Entry of A Wedge Into Waves in Three Degrees Offreedom

Pubblicato online: 15 apr 2019

Pagine: 117 - 124

DOI: https://doi.org/10.2478/pomr-2019-0013

Parole chiave
Water entry, nonlinear waves, three degrees of freedom, boundary element method, auxiliary function method

© 2019 Shi Yan Sun et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Water Entry of A Wedge Into Waves in Three Degrees Offreedom

Pubblicato online: 15 apr 2019

Pagine: 117 - 124

DOI: https://doi.org/10.2478/pomr-2019-0013

Parole chiaveWater entry, nonlinear waves, three degrees of freedom, boundary element method, auxiliary function method

© 2019 Shi Yan Sun et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Parole chiave
Water entry, nonlinear waves, three degrees of freedom, boundary element method, auxiliary function method