摘要
冰盖结构的动力特性属于流固耦合系统中的动力学问题.根据黄河凌汛的特点和现场破冰试验采集的数据,研究了冰盖前20阶振型、不同厚度下自振频率和阶次的关系、自振频率和水深的关系等.研究结果有助于提高定向爆破的效率.
The dynamic characteristic of ice-cover structure was the dynamics problem in the fluid-solid-interaction system. On the basis of Yellow River ice flood＇ s feature and data collected in field breaking-ice test, the paper analyzed twenty-order shake models prior to ice-cover, the relation of natural frequency and order, and the relation of natural frequency and water depth. The research results will help improve efficiency of directional blasting.
出处
《华北水利水电学院学报》
2011年第1期17-19,共3页
North China Institute of Water Conservancy and Hydroelectric Power
基金
河南省自然科学基金资助项目(0611010700)
关键词
凌汛
冰盖
流固耦合
自振频率
振型
ice flood
ice-cover
fluid-solid-interaction
natural frequency
model of vibration
