An analytic model for the water blast response of one-dimensional marine structure coated with elastic foam

作者：Chen, Yong^*; Wang, Yu; Hua, Hong Xing

来源：Archive of Applied Mechanics, 2010, 80(11): 1243-1253.

DOI：10.1007/s00419-009-0367-1

• Water blast
• Elastic foam coating
• Fluid-structure interaction
• Spring back

The water blast response of one-dimensional marine structures coated with elastic foam is theoretically investigated. The foam coating is modeled by a group of concentrated masses separated by parallel massless nonlinear spring and damper, simulating the micro inertia, stiffness, and rate-dependent effects exhibited by common cellular materials. An analytic model for the wet face response, inclusive of fluid-structure interaction, is developed. The model addresses cavitation and takes into account the momentum of reconstituted water attached to the wet face. The first-order double asymptotic approximation method is used to compute the pressure during the spring-back and succeeding phase. The fidelity of the analytic model has been assessed by the finite element analysis.

• 出版日期2010-11
• 单位上海交通大学; 中国人民解放军海军装备研究院