期刊论文

Seismic responses of the super-high head ship lock based on different water simulation methods with oblique incidence of SV waves

中文

地震工程学报

1000-0844

2024

46

2

399-409,448

10.20000/j.1000-0844.20221027001

51309037:国家自然科学基金 2018DT04:洞庭湖水环境治理与生态修复湖南省重点实验室开放基金项目 20CSLG026:湖南省水利厅科技项目 2022040201:长沙理工大学水利与环境工程学院研究生双一流建设项目

本校为第一机构

基于黏弹性人工边界的地震动斜入射方法模拟平面SV波不同角度入射情况,分别采用声固耦合法和附加质量法模拟闸室内水体,研究超高水头船闸闸室位移、应力和塑性损伤等地震反应,对比两种水体模拟方法计算结果的异同.结果表明:(1)整体上,两种方法计算得出的左、右闸墙地震反应结果随入射角度变化的规律基本一致;左闸墙受拉损伤的最大值均出现在入射角15°时,右闸墙受拉损伤的最大值均出现在入射角35°时;地震波入射角度对超高水头船闸动力响应影响较大,设计时应考虑地震波斜入射的影响.(2)当入射角较大时,采用声固耦合法计算的闸墙相对位移极值、主应力极值和受拉损伤结果偏保守的概率更大,对超高水...

The plane SV waves at different angles were simulated based on the input method of obliquely incident ground motion with a viscoelastic artificial boundary.The water inside the lock chamber was simulated using the acoustic-structure coupling and additional mass methods to in-vestigate the seismic responses of the super-high head ship lock,such as displacement,stress,and plastic damage.The similarities and differences in the calculation results of the two methods were compared and analyzed.Results reveal that(1)the variation law of the seismic r...