基于光滑粒子方法的推板式波浪水槽实验研究
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摘要
波浪数值水槽是波浪研究方面的一个十分重要的实验装置。目前针对造波水槽所展开的数值或实验研究,多将造波系统的设定参数作为波浪的参数,而未考虑设定参数与实际参数之间的误差。利用推板造波的实验装置进行造波,并借助视频拍摄来捕捉造波板的运动,而波浪参数则由波高仪的数据采集来得到。推板造波的过程,则用光滑粒子方法来进行数值模拟。造波过程中,造波板的运动同样采用实测的参数,并计算了不同时刻的波形曲线和水面高度随时间的变化。光滑粒子的模拟结果与实验结果比,吻合的非常好。
Numerical wave tank is an important device for wave researches. At presents,the wave parameters are always defined as the setting value of the wave-making system in many numerical and experimental studies. The difference between the setting values and the actual values are not taken into account. The wave making are carried out by the piston wave maker device,during the experiment,the motion of piston plane is captured by the filming.And wave gauges is used here to collect datas. In the piston wave-making process,a numerical simulation is carried out here by the smoothed particle hydrodynamics. The parameters of the motion of the piston wave maker are measured by ourselves. And the wave form at different time instants are calculated,as well as the time evolution of free surface level. The results of smoothed particle methods agree well with the experimental results.
Numerical wave tank is an important device for wave researches. At presents,the wave parameters are always defined as the setting value of the wave-making system in many numerical and experimental studies. The difference between the setting values and the actual values are not taken into account. The wave making are carried out by the piston wave maker device,during the experiment,the motion of piston plane is captured by the filming.And wave gauges is used here to collect datas. In the piston wave-making process,a numerical simulation is carried out here by the smoothed particle hydrodynamics. The parameters of the motion of the piston wave maker are measured by ourselves. And the wave form at different time instants are calculated,as well as the time evolution of free surface level. The results of smoothed particle methods agree well with the experimental results.
引文
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10李同飞,刘瑛琦,张晨明,等.基于光滑质点流体动力学方法数值波浪水槽研究[J].海洋工程,2009,27(1):96-100Li Tongfei,Liu Yingqi,Zhang Chenming,et al.Development of numerical wave flume based on SPH method[J].The Ocean Engineering,2009,27(1):96-100
11李雪临,路宽,韩林生,等.基于SPH-ALE方法的波浪水槽数值模拟[J].水利水电科技进展,2016,36(6):39-46Li Xuelin,Lu Kuan,Han Linsheng,et al.Numerical simulation of wave flume based on SPH-ALE method[J].Advances in Science and Technology of Water Resources,2016,36(6):39-46
2谷汉斌,陈汉宝,栾英妮,等.平推式造波板运动的数值模拟[J].水道港口,2011,32(4):244-251Gu Hanbin,Chen Hanbao,Luan Yingni,et al.Piston wave-maker motion by numerical method[J].Journal of Waterway and Harbor,2011,32(4):244-251
3王修亭.基于Open FOAM的主动吸收式数值波浪水槽研究[D].天津:天津大学,2015Wang Xiuting.Development of a numerical wave tank with active absorption using Open FOAM[D].Tianjin:Tianjin University,2015
4李晖,何宏舟,杨绍辉.数值波浪水槽的造波及消波方法[J].集美大学学报(自然科学版),2015,20(6):457-462Li Hui,He Hongzhou,Yang Shaohui.Study on methods of wave generation and absorption in a numerical wave tank[J].Journal of Jimei University(Natural Science),2015,20(6):457-462
5张淑华,杨方方,赵传刚.数值波浪水槽造波技术及工程应用研究[J].科学技术与工程,2013,13(27):8046-8051Zhang Shuhua,Yang Fangfang,Zhao Chuangang.Study on wavemaking technology and engineering applications of numerical wave flume[J].Science Technology and Engineering,2013,13(27):8046-8051
6许璐璐,郄禄文.基于SPH法波浪破碎数值模拟分析[J].山西建筑,2018,44(12):218-220Xu Lulu,Qie Luwen.Numerical simulation analysis of broken waves based on SPH technique[J].Shanxi Architecture,2018,44(12):218-220
7郑仙佩.SPH方法在溃坝水流模拟中的应用[D].西宁:青海大学,2017Zheng Xianpei.The application of the SPH method in dam-break water flow simulation[D].Xining:Qinghai University,2017
8王驰,陈昌平,郑艳娜.基于SPH方法的二维数值波浪水槽消波方法的研究[J].大连大学学报,2016,37(3):25-29Wang Chi,Chen Changping,Zheng Yanna.Study on wave dissipation method of two dimensional numerical wave flume based on SPHmethod[J].Journal of Dalian University,2016,37(3):25-29
9张德义,倪福生,王辉,等.基于SPH方法高速射流冲刷的模拟[J].科学技术与工程,2014,14(24):165-168Zhang Deyi,Ni Fusheng,Wang Hui,et al.Numerical simulation of high speed water jets erode sand bed based on SPH[J].Science Technology and Engineering,2014,14(24):165-168
10李同飞,刘瑛琦,张晨明,等.基于光滑质点流体动力学方法数值波浪水槽研究[J].海洋工程,2009,27(1):96-100Li Tongfei,Liu Yingqi,Zhang Chenming,et al.Development of numerical wave flume based on SPH method[J].The Ocean Engineering,2009,27(1):96-100
11李雪临,路宽,韩林生,等.基于SPH-ALE方法的波浪水槽数值模拟[J].水利水电科技进展,2016,36(6):39-46Li Xuelin,Lu Kuan,Han Linsheng,et al.Numerical simulation of wave flume based on SPH-ALE method[J].Advances in Science and Technology of Water Resources,2016,36(6):39-46