静水及波浪中四筒型基础的动力及运动特性研究

乐丛欢; 余葵; 罗盛; 刘宪庆; 赵明阶

doi:10.19912/j.0254-0096.tynxb.2021-0268

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太阳能学报 ›› 2022, Vol. 43 ›› Issue (9) : 211-217. DOI: 10.19912/j.0254-0096.tynxb.2021-0268

静水及波浪中四筒型基础的动力及运动特性研究

刘宪庆¹, 赵明阶¹, 乐丛欢², 余葵¹, 罗盛³

作者信息 +

RESEARCH ON DYNAMIC AND MOTION CHARACTERISTICS OF FOUR BUCKET FOUNDATION IN STILL WATER AND WAVES

Liu Xianqing¹, Zhao Mingjie¹, Le Conghuan², Yu Kui¹, Luo Sheng³

Author information +

文章历史 +

摘要

以四筒型基础为研究对象,通过模型试验和数值模拟的形式对影响结构静水和规则波浪中动力及运动特性的因素进行分析。结果表明：MOSES能较好地预测结构在静水中的动力特性以及波浪中的运动响应的变化趋势;结构摇荡运动的附加质量系数取值在1.4~1.6之间,大于船舶动力学的建议值1.2;随着吃水的增加,结构的垂荡运动呈增大趋势,但结构的摇摆运动呈下降趋势;随着水深的增加,结构的摇荡运动呈下降趋势,即浅水可增强结构的竖向运动。

Abstract

Taking four bucket foundations for object, the factors influencing the dynamic and motion characteristics of the structure are studied by model tests and numerical simulations in still water and regular waves. The results show that： The dynamic characteristics of the structure in still water and motion responses in waves can be predicted reasonably well by MOSES the added mass coefficients of oscillating motion range from 1.4 to 1.6, which are greater than the recommended value of 1.2 in ship dynamics; With the increase of draft, the heave motion of the structure shows an increasing trend while the rocking motion shows a decreasing trend; As the water depth increases, the oscillating motion of the structure decreases, that is to say, the vertical motions are enhanced in shallower water.

导出引用

刘宪庆, 赵明阶, 乐丛欢, 余葵, 罗盛. 静水及波浪中四筒型基础的动力及运动特性研究[J]. 太阳能学报. 2022, 43(9): 211-217 https://doi.org/10.19912/j.0254-0096.tynxb.2021-0268

Liu Xianqing, Zhao Mingjie, Le Conghuan, Yu Kui, Luo Sheng. RESEARCH ON DYNAMIC AND MOTION CHARACTERISTICS OF FOUR BUCKET FOUNDATION IN STILL WATER AND WAVES[J]. Acta Energiae Solaris Sinica. 2022, 43(9): 211-217 https://doi.org/10.19912/j.0254-0096.tynxb.2021-0268

中图分类号： P752 TV321

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