基于有效耦合模型的水下爆炸气泡破冰特性研究

IF 4.3 2区 工程技术 Q1 ENGINEERING, OCEAN Applied Ocean Research Pub Date : 2024-10-11 DOI:10.1016/j.apor.2024.104259
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引用次数: 0

摘要

利用水下爆炸气泡破冰是一项高效的技术进步,对极地探索至关重要。在本文中,我们提出了一种有效的数值方法来研究这一相关问题。通过结合周动力学和欧拉有限元法的优势,我们建立了一个耦合模型,用于研究水下爆炸气泡的整体破冰特性。我们的模型能够精确模拟分叉冰裂缝的形成,并捕捉各种复杂工况下冰裂缝和碎冰的演化规律。当极端间距参数设置为零时,在接触爆炸过程中会有效地产生多个碎冰层,并且这些碎冰层的高度和宽度的变化主要呈现出随时间增加的趋势。此外,我们的结果还阐明了气泡喷射对冰结构的破坏机制。我们发现,当初始气泡不具有很强的破坏作用时,喷流的影响会变得更加明显。这项研究的结论为现实世界中的极地勘探问题提供了宝贵的技术支持。
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Research on ice-breaking characteristics of underwater explosion bubbles based on an effective coupled model
The use of underwater explosion bubbles for ice breaking represents an efficient technological advance that is critical for polar exploration. In this paper, we propose an effective numerical methodology for investigating this pertinent issue. By combining the advantages of peridynamics and the Eulerian finite element method, we establish a coupled model for investigating the integral ice-breaking characteristics of underwater explosion bubbles. Our model is capable of accurately simulating the formation of bifurcated ice cracks and capturing the evolution patterns of both ice cracks and crushed ice under various complex working conditions. When the extreme standoff parameter is set to zero, multiple crushed ice formations are effectively generated during contact explosion, and the changes in the height and width of this crushed ice exhibit a predominantly increasing trend over time. Furthermore, our results elucidate the destructive mechanism of the bubble jet on the ice structure. We find that when the initial bubble does not have a strong destructive effect, the jet’s impact becomes more pronounced. The conclusions from this study offer valuable technical support for real-world polar exploration problems.
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来源期刊
Applied Ocean Research
Applied Ocean Research 地学-工程:大洋
CiteScore
8.70
自引率
7.00%
发文量
316
审稿时长
59 days
期刊介绍: The aim of Applied Ocean Research is to encourage the submission of papers that advance the state of knowledge in a range of topics relevant to ocean engineering.
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