Kinematic and inertial hydroelastic effects caused by vertical slamming of a flexible V-shaped wedge.
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| Title: | Kinematic and inertial hydroelastic effects caused by vertical slamming of a flexible V-shaped wedge. |
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| Authors: | Ren, Zhongshu1 (AUTHOR), Javaherian, M. Javad1 (AUTHOR), Gilbert, Christine M.1 (AUTHOR) cikeda@vt.edu |
| Source: | Journal of Fluids & Structures. May2021, Vol. 103, pN.PAG-N.PAG. 1p. |
| Subjects: | Hydroelasticity, Wedges, Composite materials, Fluid-structure interaction |
| Abstract: | Due to the increasing use of composite materials in high-speed planing craft prone to frequent slamming, the interaction between the structural response and hydrodynamic loading, hydroelasticity, must be considered. In this work, a V-shaped wedge model with 20 ° deadrise angle was vertically dropped into the calm water to simulate a typical hydroelastic slamming. With varied impact velocity and flexural rigidity of the wedge bottom plate a wide range of hydroelasticity factors, 0. 1 ≤ R ≤ 6. 4 , were examined. Measurements included rigid-body kinematic motions of the wedge model, spray root propagation, hydrodynamic loading, and structural response. It was found that the maximum deflection and strain occur in the chine-unwetted phase in this study. The kinematic effect of hydroelasticity changes the spray root propagation and hence the pressure, while the inertial effect increases the natural period of the plate. [ABSTRACT FROM AUTHOR] |
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| Database: | Engineering Source |
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