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International Journal of Offshore and Polar Engineering最新文献

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Numerical Study on the Motion and Added Resistance of a Trimaran in Stern Waves Using a Hybrid Method 三体船在尾波中运动和附加阻力的混合方法数值研究
IF 0.8 4区 工程技术
International Journal of Offshore and Polar Engineering Pub Date : 2022-03-01 DOI: 10.17736/ijope.2022.jc840
Jiaye Gong, Yunbo Li, S. Yan, Q. Ma, Z. Hong
{"title":"Numerical Study on the Motion and Added Resistance of a Trimaran in Stern Waves Using a Hybrid Method","authors":"Jiaye Gong, Yunbo Li, S. Yan, Q. Ma, Z. Hong","doi":"10.17736/ijope.2022.jc840","DOIUrl":"https://doi.org/10.17736/ijope.2022.jc840","url":null,"abstract":"This paper presents a one-way coupling method based on the open-source computational fluid dynamics tool OpenFOAM. This hybrid method that couples the fully nonlinear potential theory (FNPT)-based quasi-arbitrary Lagrangian–Eulerian finite element method (QALE-FEM) with the viscous flow method is applied to simulate the forward movement and motion of a trimaran in stern waves. With this hybrid method and the corresponding solver qaleFOAM, the linear and nonlinear incident waves are generated by the external domain of FNPT-based QALE-FEM. The waves propagate to the internal domain by a transition zone. The interaction between the wave and trimaran model in the internal domain is simulated by the viscous flow method. The validation of the wave generation is carried out first. Then, the motion of the trimaran model in stern waves is simulated. Finally, by changing the forward speed and the wave parameters, the amplitude and time history are obtained to analyze the trimaran’s motion characteristics in stern waves.","PeriodicalId":50302,"journal":{"name":"International Journal of Offshore and Polar Engineering","volume":" ","pages":""},"PeriodicalIF":0.8,"publicationDate":"2022-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43951208","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A Smoothed Particle Hydrodynamics Framework for Interaction Between Ice and Flexible Pile 冰与柔性桩相互作用的光滑粒子流体动力学框架
IF 0.8 4区 工程技术
International Journal of Offshore and Polar Engineering Pub Date : 2022-03-01 DOI: 10.17736/ijope.2022.jc849
Ningbo Zhang, S. Yan, Q. Ma, Xing Zheng
{"title":"A Smoothed Particle Hydrodynamics Framework for Interaction Between Ice and Flexible Pile","authors":"Ningbo Zhang, S. Yan, Q. Ma, Xing Zheng","doi":"10.17736/ijope.2022.jc849","DOIUrl":"https://doi.org/10.17736/ijope.2022.jc849","url":null,"abstract":"","PeriodicalId":50302,"journal":{"name":"International Journal of Offshore and Polar Engineering","volume":" ","pages":""},"PeriodicalIF":0.8,"publicationDate":"2022-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41800149","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A Hybrid Volume-of-Fluid/Euler–Lagrange Method for Vertical Plunging Jet Flows 垂直冲击射流的流体/欧拉-拉格朗日混合体积法
IF 0.8 4区 工程技术
International Journal of Offshore and Polar Engineering Pub Date : 2022-03-01 DOI: 10.17736/ijope.2022.jc838
Xiao-song Zhang, Weiwen Zhao, D. Wan
{"title":"A Hybrid Volume-of-Fluid/Euler–Lagrange Method for Vertical Plunging Jet Flows","authors":"Xiao-song Zhang, Weiwen Zhao, D. Wan","doi":"10.17736/ijope.2022.jc838","DOIUrl":"https://doi.org/10.17736/ijope.2022.jc838","url":null,"abstract":"The vertical plunging jet is a typical multiscale two-phase flow problem in which a large number of microbubbles are formed by the impingement of a liquid jet with a free surface. Traditional numerical simulation methods experience difficulty reproducing both the large-scale phase interface evolution and the small-scale microbubbles at the same time. In this paper, a hybrid volume-of-fluid (VOF)/Euler–Lagrange method is adopted to simulate the vertical plunging jet flow problem. The large-scale air-water interface is captured by the VOF method, and the microbubbles are modeled as Lagrange points. Special algorithms are designed to realize a smooth transformation between two frameworks. Results indicate that satisfactory multiscale two-phase flow capture accuracy can be achieved with high efficiency by using the new method.","PeriodicalId":50302,"journal":{"name":"International Journal of Offshore and Polar Engineering","volume":" ","pages":""},"PeriodicalIF":0.8,"publicationDate":"2022-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44799934","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
A High-performance Open-source Solution for Multiphase Fluid-Structure Interaction 多相流固耦合的高性能开源解决方案
IF 0.8 4区 工程技术
International Journal of Offshore and Polar Engineering Pub Date : 2022-03-01 DOI: 10.17736/ijope.2022.jc844
Wendi Liu, S. Longshaw, A. Skillen, D. Emerson, C. Valente, F. Gambioli
{"title":"A High-performance Open-source Solution for Multiphase Fluid-Structure Interaction","authors":"Wendi Liu, S. Longshaw, A. Skillen, D. Emerson, C. Valente, F. Gambioli","doi":"10.17736/ijope.2022.jc844","DOIUrl":"https://doi.org/10.17736/ijope.2022.jc844","url":null,"abstract":"A multiphase FSI framework using only open-source software has been developed, utilising components able to run on high-performance computing platforms. A partitioned approach is employed, ensuring a separation of concerns (fluid, structure and coupling), allowing design flexibility and robustness while reducing future maintenance efforts. Multiphase FSI test cases have been simulated and compared with published results and show good agreement. Simulation of a model representing an elastic aircraft wing with a fluid (fuel) sloshing inside is presented. This demonstrates the ability of this multiphase FSI framework in simulating complex and challenging cases involving a free liquid surface.","PeriodicalId":50302,"journal":{"name":"International Journal of Offshore and Polar Engineering","volume":" ","pages":""},"PeriodicalIF":0.8,"publicationDate":"2022-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44179875","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Comparison of Simulated Offshore Wind Farm Wakes and SAR Images 模拟海上风电场尾迹与SAR图像的比较
IF 0.8 4区 工程技术
International Journal of Offshore and Polar Engineering Pub Date : 2022-03-01 DOI: 10.17736/ijope.2022.aj11
Henning Heiberg-Andersen, Heidi Ytterstad Hindberg, Jorn Havas Maeland, H. Johnsen, Torleif Lothe, L. Vasilyev
{"title":"Comparison of Simulated Offshore Wind Farm Wakes and SAR Images","authors":"Henning Heiberg-Andersen, Heidi Ytterstad Hindberg, Jorn Havas Maeland, H. Johnsen, Torleif Lothe, L. Vasilyev","doi":"10.17736/ijope.2022.aj11","DOIUrl":"https://doi.org/10.17736/ijope.2022.aj11","url":null,"abstract":"Offshore wind farms are usually located remote from meteorological stations. Except from the sonic anemometers mounted at the nacelles of the wind turbines according to industrial standards, the access to wind measurements in the farm and its immediate surroundings is therefore limited. With the deployment of clusters of wind farms in the European Seas, the modification of the local wind and the generation of a turbulent wake by one farm can influence the power production of the neighbouring farm. Spaceborne Synthetic Aperture Radar (SAR) is an ideal instrument to observe such effects due to its high spatial resolution and large coverage. SAR can image a cluster of wind farms at the same time. The wind farm turbulent wake is manifested in the SAR intensity images as dark elongated areas downwind of a wind farm while the surrounding ocean areas appear brighter. Good agreement between images from SAR and Doppler radar measurements has recently been reported for the wake of the Westermost Rough wind farm in cases without stable atmospheric stratification. Inspired by this first of its kind comparison of ground-based Doppler radar and SAR images of wind farm wakes, we compare in this work SAR images and simulations of the two interacting wakes of the Sheringham Shoal and Dudgeon wind farms at the British East coast. The wakes are simulated by the Weather Research and Forecasting (WRF) code, a state-of-the-art regional meteorological code which has a simple built-in wind farm model. The normalized radar cross-section (NRCS) is estimated from the Sentinel-1 IW GRD products by averaging the intensity pixels to the output resolution of the model (i.e. 500 m).","PeriodicalId":50302,"journal":{"name":"International Journal of Offshore and Polar Engineering","volume":" ","pages":""},"PeriodicalIF":0.8,"publicationDate":"2022-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48671198","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Prediction Model of EAC Growth Rate of Nickel-based Alloy under Low Temperature and High Stress 镍基合金低温高应力EAC生长速率的预测模型
IF 0.8 4区 工程技术
International Journal of Offshore and Polar Engineering Pub Date : 2022-03-01 DOI: 10.17736/ijope.2022.hj39
Hongliang Yang, He Xue, Ling-yan Zhao, Chenqiang Ni, Shun Zhang
{"title":"Prediction Model of EAC Growth Rate of Nickel-based Alloy under Low Temperature and High Stress","authors":"Hongliang Yang, He Xue, Ling-yan Zhao, Chenqiang Ni, Shun Zhang","doi":"10.17736/ijope.2022.hj39","DOIUrl":"https://doi.org/10.17736/ijope.2022.hj39","url":null,"abstract":"","PeriodicalId":50302,"journal":{"name":"International Journal of Offshore and Polar Engineering","volume":" ","pages":""},"PeriodicalIF":0.8,"publicationDate":"2022-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47081396","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A Mathematical Model of Lifeboat Microclimates in Polar Regions 极地救生艇小气候的数学模型
IF 0.8 4区 工程技术
International Journal of Offshore and Polar Engineering Pub Date : 2022-03-01 DOI: 10.17736/ijope.2022.jc836
Caitlin E Piercey, J. Power
{"title":"A Mathematical Model of Lifeboat Microclimates in Polar Regions","authors":"Caitlin E Piercey, J. Power","doi":"10.17736/ijope.2022.jc836","DOIUrl":"https://doi.org/10.17736/ijope.2022.jc836","url":null,"abstract":"","PeriodicalId":50302,"journal":{"name":"International Journal of Offshore and Polar Engineering","volume":" ","pages":""},"PeriodicalIF":0.8,"publicationDate":"2022-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48441109","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Investigation of Two-layer Liquid Sloshing by Using the Consistent Particle Method 用一致粒子法研究两层液体晃动
IF 0.8 4区 工程技术
International Journal of Offshore and Polar Engineering Pub Date : 2022-03-01 DOI: 10.17736/ijope.2022.jc848
Min Luo, X. Su, P. Lin, Abbas Khayyer, Xizeng Zhao
{"title":"Investigation of Two-layer Liquid Sloshing by Using the Consistent Particle Method","authors":"Min Luo, X. Su, P. Lin, Abbas Khayyer, Xizeng Zhao","doi":"10.17736/ijope.2022.jc848","DOIUrl":"https://doi.org/10.17736/ijope.2022.jc848","url":null,"abstract":"","PeriodicalId":50302,"journal":{"name":"International Journal of Offshore and Polar Engineering","volume":" ","pages":""},"PeriodicalIF":0.8,"publicationDate":"2022-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46047054","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
Conversion of Wind and Waves with Reference Periods for the Donghae Gas Field 东海气田参考周期的风浪转换
IF 0.8 4区 工程技术
International Journal of Offshore and Polar Engineering Pub Date : 2022-03-01 DOI: 10.17736/ijope.2022.hc26
Yong-Ho Choi, Hyun-Joe Kim, Young-Jin Lee, R. Yuck
{"title":"Conversion of Wind and Waves with Reference Periods for the Donghae Gas Field","authors":"Yong-Ho Choi, Hyun-Joe Kim, Young-Jin Lee, R. Yuck","doi":"10.17736/ijope.2022.hc26","DOIUrl":"https://doi.org/10.17736/ijope.2022.hc26","url":null,"abstract":"","PeriodicalId":50302,"journal":{"name":"International Journal of Offshore and Polar Engineering","volume":" ","pages":""},"PeriodicalIF":0.8,"publicationDate":"2022-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48117678","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Numerical Simulation of Liquid Sloshing Using a Fully Nonlinear Potential Flow Model in the Noninertial Coordinate System 非惯性坐标系下全非线性势流模型的液体晃动数值模拟
IF 0.8 4区 工程技术
International Journal of Offshore and Polar Engineering Pub Date : 2022-03-01 DOI: 10.17736/ijope.2022.jc846
Zaibin Lin, L. Qian, W. Bai
{"title":"Numerical Simulation of Liquid Sloshing Using a Fully Nonlinear Potential Flow Model in the Noninertial Coordinate System","authors":"Zaibin Lin, L. Qian, W. Bai","doi":"10.17736/ijope.2022.jc846","DOIUrl":"https://doi.org/10.17736/ijope.2022.jc846","url":null,"abstract":"Liquid sloshing has been one of the primary concerns in ocean and o ff - shore engineering due to its significant e ff ects on ship stability and structure integrity. To investigate sloshing flow problems, a 3-dimensional Finite Volume Method based Fully Nonlinear Potential Flow (FNPF) model in the non-inertial coordinate system is developed in the present study. In this model, the Laplace equation is spatially discretised and solved using a second-order accurate finite volume method from the open source computational fluid dynamics software OpenFOAM. For the fully nonlinear free surface problems, both kinematic and dynamic boundary conditions at the free surface are implemented in the mixed-Eulerian-Lagrangian (MEL) form to update the free surface elevation and velocity potential respectively. The FNPF sloshing model is validated against a number of available experimental measurements and numerical results for test cases under di ff erent external excitations. Finally, the conclusions in terms of model accuracy and applicability are summarised based on the validation and application results. It is found that the proposed FVM based sloshing FNPF model is able to simulate fully nonlinear liquid sloshing process in the non-inertial coordinate system.","PeriodicalId":50302,"journal":{"name":"International Journal of Offshore and Polar Engineering","volume":" ","pages":""},"PeriodicalIF":0.8,"publicationDate":"2022-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47459186","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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