Onset of instability of a flag in uniform flow

• 作 者: Fangbao Tian Xiyun Lu Haoxiang
• 机 构: DepartmentofModernMechanics,DepartmentofMechanicalEngineering
• 出 处: 力学快报：英文版
• 发表日期: 2012年2期
• 关键词: 不稳定 均匀流 非线性有限元方法 三维模拟 发病 数值模拟 初始扰动 颤振速度 flag instability fluid-structure intera
• 基金项目: the National Natural Science Foundation of China，the Innovation Project of the Chinese Academy of Sciences，the United States National Science Foundation

This paper numerically and analytically studies the onset of instability of a flag in uniform flow.The three-dimensional(3D) simulation is performed by using an immersed-boundary method coupled with a nonlinear finite element method.The global stability,b