前进速度对细长体在水中横向振动的影响(英文)

In this paper, the effects of forward speed on the lateral vibration of a slender structure in an infinite fluid are considered. By equating the bending stress of the structure with the hydrodynamic force acting on it, the equation which governs the fluid-structure interaction of a slender structure both vibrating and moving in water is obtained. Numerical results show that the influence of forward speed on the vibration of a slender structure in water is significant. It behaves like damping, reducing both natural frequencies and responses significantly.     

浅议中水利用

本文介绍了中水的概念、利用历史,阐述了中水利用的必要性和可行性。通过分析制约我国中水利用推广的诸多因素,给出了促进中水利用发展的一些建议。中水利用是解决我国水资源种种问题的重要途径,应大力推广。