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Cratering of a solid body due to liquid impact

Semenov, YA; Wu, GX; (2016) Cratering of a solid body due to liquid impact. Journal of Engineering Mathematics , 101 (1) pp. 71-85. 10.1007/s10665-016-9847-9. Green open access

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Abstract

An impact between a high-speed liquid and a solid body leading to cratering during the impact is considered. The problem formulation is presented within the framework of a self-similar velocity potential flow for a liquid wedge impacting the solid wall. A linear constitutive relation is adopted, which links the speed of cratering with the pressure and shear stresses. The solution procedure is based on the integral hodograph method. It converts the boundary-value problem for the complex potential in the fluid domain into a system of integral equations which are solved using the method of successive approximations. The obtained solution is used to investigate the cratering mechanics during the impact. The results are presented in terms of the interface shape, the free surface shape, streamline patterns and pressure distribution along the interface.

Type: Article
Title: Cratering of a solid body due to liquid impact
Open access status: An open access version is available from UCL Discovery
DOI: 10.1007/s10665-016-9847-9
Publisher version: http://dx.doi.org/10.1007/s10665-016-9847-9
Language: English
Additional information: The final publication is available at Springer via http://dx.doi.org/10.1007/s10665-016-9847-9.
Keywords: Science & Technology, Technology, Physical Sciences, Engineering, Multidisciplinary, Mathematics, Interdisciplinary Applications, Engineering, Mathematics, Erodible Body, Integral Hodograph Method, Liquid/solid Impact, Self-Similar Flows, Small Deadrise Angles, Water-Entry Problems, Jet, Penetration, Surface, Wedges
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Mechanical Engineering
URI: https://discovery.ucl.ac.uk/id/eprint/1494649
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