Study on determination method of hydrodynamic coefficient of Marine pile foundation

论文摘要

The irregular waves are simulated by using standard spectrum.Instantaneous value method,Fourier analysis method,least square method and "harbour hydrological code" are used to determine the moment force of coefficient C_M and drag coefficient C_D.Then C_M and C_D that linearized by Borgman L.E.equation are substituted into Morison equation.The time history curve of the wave force on the pile is calculated and compared with the measured wave force data under the action of irregular wave to analyze the advantages and disadvantages of several methods to determine C_M and C_D.The results show that the comparison between C_M and C_D determined by Fourier analysis and least square method is practical.

论文目录

• 1 Introduction
• 2 Determination of moment force coefficient and drag force coefficient
•   2.1 Instantaneous values of CM and CD
•   2.2 Fourier analysis calculates CM and CD
•   2.3 The least square method calculates CM and CD
•   2.4 Recommended values for CM and CD for national specifications
• 3 Calculation of wave elements
•   3.1 Instantaneous values of CM and CD
•     3.1.1 The wave spectrum
•     3.1.2. Wave equation
•   3.2 Calculation method of wave force
•   3.3 Project profile
•     3.3.1 Basic situation
•     3.3.2 Hydrologic condition
• 4 Analysis of computing result
•   4.1 Time history curve of each wave element
•   4.2 Analysis of computing result
• 5 Conclusion

文章来源

类型: 国际会议

作者: Jiang Zongnan

来源: 第二届建筑学研究前沿与生态环境国际研讨会（ARFEE 2019） 2019-12-20

年度: 2019

分类: 基础科学

专业: 海洋学

单位: College of Civil Engineering and Architecture,Shandong University of Science and Technology

分类号: P75

DOI: 10.26914/c.cnkihy.2019.051702

页码: 115-118

总页数: 4

文件大小: 2523k

下载量: 2