Meshless particle methods for solving the water hammer equations

摘要：

　　To solve the water hammer equations, the meshless particle methods are systematically analyzed and compared.Based on Taylor series expansion and kernel approximation, a unified matrix formulation of the SPH and its corrections is developed,with a further improvement to the derivative approximations.By assuming that the compact support of the kernel is fully within the problem domain, numerical errors are analyzed.With aiming to the extended application of the particle methods, enforcement of boundary conditions associated with water hammer equations is presented and discussed.Two water hammer cases with instantaneous and linear valve closing are studied.

关键词： water hammer meshless particle methods matrix form error analysis dummy particle approach

作者: Qingzhi Hou Chunying Huang Jianguo Wei Ling Zhou Huanfeng Duan

作者单位: School of Computer Science and Technology, Tianjin University, Tianjin, China School of Computer Software, Tianjin University, Tianjin, China College of Water Conservancy and Hydropower Engineering, Hohai University, Nanjing, China Department of Civil and Environmental Engineering, The Hong Kong Polytechnic University, Hong Kong

会议类型: 国际会议

会议名称: The Second Conference of Global Chinese Scholars on Hydrodynamics(第二届全球华人水动学学术会议)

会议地点: 江苏 无锡

会议语种:英文

页码: 315-320

在线出版日期: 2016-11-11（万方平台首次上网日期，不代表论文的发表时间）