1991年全国水动力学研讨会于1991年8月18—24日在郑州黄河水利委员会水利科学研究院召开。参加会议的有来自全国66个单位的专家、学者共118人。会上由《水动力学研究与进展》编委会副主任委员、水利水电科学研究院高工、清华大学和河海大学兼职教授许协庆先生致开幕词,黄河水利委员会副主任庄景林高工代表黄委会和黄科院致欢迎词,郑州工学院院长厉良辅教授代表郑州各高等院校致贺词,《水动力学研究与进展》辑编部副主任邵维文高工代表领导小组致 1991 National Hydrodynamics Symposium was held on August 18-24, 1991 in Zhengzhou Hydraulic Research Institute of the Yellow River Conservancy. There were 118 experts and scholars from 66 units nationwide participating in the conference. At the meeting by the “Hydrodynamic Research and Progress” editorial board vice chairman, senior engineer of the Institute of Water Resources and Hydropower Research, Tsinghua University and Hohai University, Professor Xu Xieqing, an opening speech, Deputy Director of the Yellow River Water Conservancy Deputy Chief Engineer Zhuang Jinglin Welcome Letter from the Commission and Huang Academy of Sciences, Professor Li Liangfu, Dean of Zhengzhou University of Technology, on behalf of Zhengzhou High School, Greetings from the Higher Education Department, Chairman of the Editorial Department of “Hydrodynamic Research and Progress”