A FINITE-ELEMENT COMPUTATION FOR THREE-DIMENSIONAL PROBLEMS OF SLOSHING IN LNG TANK

机译：LNG储罐晃荡三维问题的有限元计算

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A three-dimensional finite-element method is developed to calculate the impact pressure due to liquid sloshing in LNG tank. A finite-element method presented here is based on a variational principle in velocity-potential formulation, which was developed by Kim et al(ISOPE 2003). The tank motions are extended to the six degrees of freedom motions; both translational and rotational motions. Numerical result for an example of an LNG tank shows good agreement with model test results and three-dimensional effect needs to be considered to estimate correct impact pressure at tank corners.

机译：提出了一种三维有限元方法来计算液化天然气罐中液体晃荡引起的冲击压力。这里介绍的有限元方法是基于速度势公式的变分原理，该原理由Kim等人（ISOPE 2003）开发。坦克运动被扩展到六个自由度运动。平移和旋转运动。以液化天然气储罐为例的数值结果表明与模型测试结果吻合良好，需要考虑三维效应来估算储罐角部的正确冲击压力。

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《25th International Conference on Offshore Mechanics and Arctic Engineering 2006(OMAE2006) vol.2: Ocean Engineering; Polar and Arctic Sciences and Technology》|2006年|561-568|共8页
会议地点 Hamburg(DE)
作者
J. W. Kim; I. H. Sim; J. M. Lee; Y. B. Lee; K. J. Bai;
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American Bureau of Shipping;

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正文语种 eng
中图分类海洋工程;
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2. Database of model-scale sloshing experiment for LNG tank and application of artificial neural network for sloshing load prediction [J] . Ahn Yangjun, Kim Yonghwan, Kim Sang-Yeob Marine Structures . 2019,第JULa期

机译：液化天然气储罐模型尺度晃荡实验数据库及人工神经网络在晃荡负荷预测中的应用
3. Database of model-scale sloshing experiment for LNG tank and application of artificial neural network for sloshing load prediction [J] . Ahn Yangjun, Kim Yonghwan, Kim Sang-Yeob Marine Structures . 2019,第Jula期

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4. A FINITE-ELEMENT COMPUTATION FOR THREE-DIMENSIONAL PROBLEMS OF SLOSHING IN LNG TANK [C] . J. W. Kim, I. H. Sim, J. M. Lee, 25th International Conference on Offshore Mechanics and Arctic Engineering 2006(OMAE2006) vol.2: Ocean Engineering; Polar and Arctic Sciences and Technology . 2006

机译：LNG储罐晃荡三维问题的有限元计算
5. High fidelity computational methods in prediction of slosh dynamics including tank structure flexibility. [D] . Choi, Jong Ho. 2006

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6. Sloshing Measurements inside a Liquid Hydrogen Tank with External-Heating-Type MgB2 Level Sensors during Marine Transportation by the Training Ship Fukae-Maru [O] . Kazuma Maekawa, Minoru Takeda, Yuuki Miyake, 2018

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A FINITE-ELEMENT COMPUTATION FOR THREE-DIMENSIONAL PROBLEMS OF SLOSHING IN LNG TANK

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