Marine Structures最新文献

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Numerical simulation of moored ships in level ice considering dynamic behavior of mooring cable 考虑系泊缆绳动态行为的平冰中系泊船舶的数值模拟
IF 4 2区 工程技术
Marine Structures Pub Date : 2024-11-01 DOI: 10.1016/j.marstruc.2024.103716
Jiaming Chen , Li Zhou , Shifeng Ding , Fang Li
{"title":"Numerical simulation of moored ships in level ice considering dynamic behavior of mooring cable","authors":"Jiaming Chen ,&nbsp;Li Zhou ,&nbsp;Shifeng Ding ,&nbsp;Fang Li","doi":"10.1016/j.marstruc.2024.103716","DOIUrl":"10.1016/j.marstruc.2024.103716","url":null,"abstract":"<div><div>This study develops a new numerical method to simulate the interaction between a moored ship and level ice, taking into account the time-domain effective tension of each mooring cable. Previous studies primarily focused on the ice load exerted on the hull, with an emphasis on accurately predicting of the dynamic ice load. However, for moored structures in polar regions, the mooring system often comes into direct contact with the ice rubble formed during icebreaking process, an interaction that has been largely overlooked in existing studies. The interaction between submerged ice rubble and mooring cables significantly affects both the mooring loads and global motion of the ship. The results show that: 1) When accounting for the ice collision force on the mooring cables, both the total ice force and effective tension on key cables match the experimental data; 2) For different mooring cables, the ice collision force either decreases and increases effective tension depending on the collision angle between the cable and ice rubble; 3) The ice load on the mooring cables play a critical role, significantly impacting both the cables and the entire system. The proposed model is reliable and offers an effective, convenient method for predicting the dynamic response of mooring cables under ice collision forces.</div></div>","PeriodicalId":49879,"journal":{"name":"Marine Structures","volume":"99 ","pages":"Article 103716"},"PeriodicalIF":4.0,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142572885","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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 higher-order springing of a ship in regular waves by experimental analysis and two-way CFD-FEA coupled method 通过实验分析和双向 CFD-FEA 耦合方法研究船舶在规则波浪中的高阶弹簧作用
IF 4 2区 工程技术
Marine Structures Pub Date : 2024-10-31 DOI: 10.1016/j.marstruc.2024.103712
Binyang Xie , Sumit Kumar Pal , Kazuhiro Iijima , Akira Tatsumi , Timoteo Badalotti
{"title":"Investigation of higher-order springing of a ship in regular waves by experimental analysis and two-way CFD-FEA coupled method","authors":"Binyang Xie ,&nbsp;Sumit Kumar Pal ,&nbsp;Kazuhiro Iijima ,&nbsp;Akira Tatsumi ,&nbsp;Timoteo Badalotti","doi":"10.1016/j.marstruc.2024.103712","DOIUrl":"10.1016/j.marstruc.2024.103712","url":null,"abstract":"<div><div>In this paper, the higher-order springing phenomenon is addressed for a segmented barge ship model through experimental and numerical measures. An efficient in-house two-way coupled numerical solver between Computational Fluid Dynamics (CFD) and Finite Element Analysis (FEA) is developed and validated against experimental results. The coupling method is based on a domain-separated approach and necessitates the resolution of individual boundary value problems in distinct domains. To ensure convergence within these individual domains, an implicit numerical scheme is employed and further facilitated exchange of variables for coupling. The current approach emphasizes the overall convergence between two solvers, maintaining a strongly coupled setup to comprehensively address fluid-structure interaction phenomena, including added mass and damping effects. A series of tank tests were conducted first to measure the wave-induced sectional loads and motions, during which the springing responses to very high-order harmonics of wave load were observed. By comparing the numerical prediction with the tank test results for rigid body motion and flexible vertical bending moment (VBM), the proposed numerical method demonstrated agreement with experimental results, affirming its validity and robustness. Finally, the springing response up to 14th order harmonics is discussed and investigated.</div></div>","PeriodicalId":49879,"journal":{"name":"Marine Structures","volume":"99 ","pages":"Article 103712"},"PeriodicalIF":4.0,"publicationDate":"2024-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142561030","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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
Structural response and damage assessment method for subsea pipe-in-pipe subjected to anchor impact 海底管中管受到锚撞击时的结构响应和损伤评估方法
IF 4 2区 工程技术
Marine Structures Pub Date : 2024-10-24 DOI: 10.1016/j.marstruc.2024.103714
Fuheng Hou, Yanfei Chen, Yufeng Yan, Ruihao Liu, Rui li, Yu Liu, Rongfeng Zhong
{"title":"Structural response and damage assessment method for subsea pipe-in-pipe subjected to anchor impact","authors":"Fuheng Hou,&nbsp;Yanfei Chen,&nbsp;Yufeng Yan,&nbsp;Ruihao Liu,&nbsp;Rui li,&nbsp;Yu Liu,&nbsp;Rongfeng Zhong","doi":"10.1016/j.marstruc.2024.103714","DOIUrl":"10.1016/j.marstruc.2024.103714","url":null,"abstract":"<div><div>The pipe-in-pipe system is widely used in the development and transportation of offshore oil and gas resources. The damage caused by anchor impacts on the pipe-in-pipe system has long been a focal point and challenge in both engineering and academic fields. Numerical simulation method is employed to investigate the impact process of anchors on pipe-in-pipe systems, revealing the variation patterns of pipeline deformation response over time. The structural response of the pipe-in-pipe system to dropped anchor impacts is studied from multiple perspectives, including deformation, energy, and load transfer. The influence of pipe-in-pipe characteristic parameters, anchor characteristic parameters, centralizers, and bulkheads on the extent of impact damage is analyzed, establishing a relationship between the absorbed energy and the damage to the pipe-in-pipe. The results indicate that the impact energy primarily depends on the mass and velocity of the anchor. Energy is conserved during the impact process. It is found that even with different anchor masses and velocities, the extent of damage to the pipe-in-pipe system remains the same if the impact energy is identical. High-strength steel, large diameter, and thick-walled pipelines exhibit better resistance to impact loads. Additionally, centralizers and bulkheads mitigate the impact damage to the pipe-in-pipe system. Finally, an evaluation method for pipe-in-pipe impact damage due to dropped anchors is proposed. It is discovered that the assessment method for pipelines impacted by dropped anchors in the DNV-RP-F107 standard tends to be conservative when the impact energy is high. The findings of this study provide technical support for the integrity management of pipe-in-pipe systems.</div></div>","PeriodicalId":49879,"journal":{"name":"Marine Structures","volume":"99 ","pages":"Article 103714"},"PeriodicalIF":4.0,"publicationDate":"2024-10-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142525845","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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
Corrigendum to “Experimental investigation of nonlinear springing of ultra-large container ship in regular waves” [Mar Struct 99, January 2025, 103697] “超大型集装箱船在规则波浪中非线性弹簧的实验研究”的勘误表[Mar Struct 99, January 2025, 103697]
IF 4 2区 工程技术
Marine Structures Pub Date : 2024-10-24 DOI: 10.1016/j.marstruc.2024.103710
Hailong Si , Chao Tian , Jun Yang , Yanchao Geng , Nan Zhao , Jiajun Hu , Junhua Zhan
{"title":"Corrigendum to “Experimental investigation of nonlinear springing of ultra-large container ship in regular waves” [Mar Struct 99, January 2025, 103697]","authors":"Hailong Si ,&nbsp;Chao Tian ,&nbsp;Jun Yang ,&nbsp;Yanchao Geng ,&nbsp;Nan Zhao ,&nbsp;Jiajun Hu ,&nbsp;Junhua Zhan","doi":"10.1016/j.marstruc.2024.103710","DOIUrl":"10.1016/j.marstruc.2024.103710","url":null,"abstract":"","PeriodicalId":49879,"journal":{"name":"Marine Structures","volume":"99 ","pages":"Article 103710"},"PeriodicalIF":4.0,"publicationDate":"2024-10-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142757563","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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
Numerical analysis of vortex-induced vibration of deepwater drilling riser based on Van der Pol wake oscillator model 基于范德波尔唤醒振荡器模型的深水钻井隔水管涡流诱导振动数值分析
IF 4 2区 工程技术
Marine Structures Pub Date : 2024-10-23 DOI: 10.1016/j.marstruc.2024.103711
Guangrui Zhang, Yanbin Wang, Deli Gao
{"title":"Numerical analysis of vortex-induced vibration of deepwater drilling riser based on Van der Pol wake oscillator model","authors":"Guangrui Zhang,&nbsp;Yanbin Wang,&nbsp;Deli Gao","doi":"10.1016/j.marstruc.2024.103711","DOIUrl":"10.1016/j.marstruc.2024.103711","url":null,"abstract":"<div><div>Coupled equations of the dynamic model and the Van der Pol wake oscillator model are solved by the central finite difference method for the deepwater drilling riser. The vortex-induced vibration (VIV) response and fatigue life of the riser are calculated and the model validation is performed by comparing with the published experimental and simulation results. The effects of the top tension, current flow velocity, flow velocity profile, internal flow velocity as well as the installation of buoyancy modules on the VIV are discussed. Dynamic response and fatigue life of the riser under In-Line (IL) and Cross-Flow (CF) VIV are preliminarily analyzed. The results show that the VIV of the riser has multiple modes and exhibits a mixed behavior of standing waves and traveling waves. With the increase of top tension and flow velocity profile coefficient, the order of the VIV dominant mode and the peak values of the root mean square (RMS) of VIV displacement decrease, and the fatigue life of the riser is extended. With the increase of current flow velocity, the order of the VIV dominant mode increases and the riser fatigue life decreases. The effect of internal flow velocity on the riser VIV is neglectable. The installation of buoyancy modules can improve the riser stress state and extend the fatigue life. Compared with the CF VIV model, the calculated minimum fatigue life of the riser is extended under the IL and CF coupled VIV model due to the decrease of bending moment and the changing position of fatigue weak point.</div></div>","PeriodicalId":49879,"journal":{"name":"Marine Structures","volume":"99 ","pages":"Article 103711"},"PeriodicalIF":4.0,"publicationDate":"2024-10-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142525829","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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
LJF of thin-walled gapped uni-planar K-type tubular steel joints with collar under brace balanced axial loads 带套环的薄壁间隙单平面 K 型管状钢接头在支撑平衡轴向载荷作用下的 LJF
IF 4 2区 工程技术
Marine Structures Pub Date : 2024-10-23 DOI: 10.1016/j.marstruc.2024.103713
Hossein Nassiraei , Hamid Reza Chavoshi , Siamak Talatahari
{"title":"LJF of thin-walled gapped uni-planar K-type tubular steel joints with collar under brace balanced axial loads","authors":"Hossein Nassiraei ,&nbsp;Hamid Reza Chavoshi ,&nbsp;Siamak Talatahari","doi":"10.1016/j.marstruc.2024.103713","DOIUrl":"10.1016/j.marstruc.2024.103713","url":null,"abstract":"<div><div>This paper investigates the efficacy of the collar plate in improving the Local Joint Flexibility (LJF) of thin-walled circular hollow section (CHS) K-joints under axial loads. Initially, a finite element model (FEM) was created and verified against data from 14 available experimental tests. Subsequently, an extensive series of 136 unreinforced and reinforced K-joints was simulated to analyze the influence of parameters such as collar plate dimensions (<em>η</em> and <em>λ</em>), brace angle (<em>θ</em>), and joint geometry (<em>β, ξ</em>, and <em>γ</em>) on the LJF factor (<em>f</em><sub>LJF</sub>) and the <em>f</em><sub>LJF</sub> ratio (<em>χ</em>). The FEMs incorporated plate-to-member contact and weld modeling. Findings indicate that the utilization of the plate reduces the <em>f</em><sub>LJF</sub> by 73 %. Additionally, it was observed that plate length significantly affects the <em>f</em><sub>LJF</sub> compared to plate thickness. While the impact of <em>γ, θ</em>, and <em>ξ</em> on <em>χ</em> is marginal, <em>β, η</em> and <em>λ</em> emerge as a noteworthy determinant of <em>χ</em>. Despite the pivotal role of <em>f</em><sub>LJF</sub> in joint behavior, there exists a gap in studies and equations specifically addressing <em>f</em><sub>LJF</sub> in collar-plate reinforced K-joints under axial loads. To address this gap, leveraging the FE results, a design equation is proposed. This equation is subsequently validated with high coefficients of determination and standards set by the UK Department of Energy.</div></div>","PeriodicalId":49879,"journal":{"name":"Marine Structures","volume":"99 ","pages":"Article 103713"},"PeriodicalIF":4.0,"publicationDate":"2024-10-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142525830","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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 Kane-based time domain hydrodynamic analysis method for hinged multi-floating bodies under irregular wave conditions 不规则波浪条件下铰链式多浮体的基于 Kane 的时域流体力学分析方法
IF 4 2区 工程技术
Marine Structures Pub Date : 2024-10-13 DOI: 10.1016/j.marstruc.2024.103708
Junyi Liu , Xujun Chen , Song Ji , Guizhang Hu , Yuji Miao
{"title":"A Kane-based time domain hydrodynamic analysis method for hinged multi-floating bodies under irregular wave conditions","authors":"Junyi Liu ,&nbsp;Xujun Chen ,&nbsp;Song Ji ,&nbsp;Guizhang Hu ,&nbsp;Yuji Miao","doi":"10.1016/j.marstruc.2024.103708","DOIUrl":"10.1016/j.marstruc.2024.103708","url":null,"abstract":"<div><div>To better investigate the hydrodynamic responses of hinged multiple floating body system in irregular waves, a novel Kane-based time domain model is established and the associated calculation program is developed in conjunction with the potential theory and the catenary theory. The reduced Kane equations suitable for the dynamic response of moored multi-floating body system with hinges in irregular waves are firstly deduced, and then an experiment of hinged floating bridge performed in a wave tank is briefly introduced. Following the validation of the Kane-based model based on the comparisons between the predictions and the observations of the model test in several irregular wave conditions, an investigation of the influence of wave parameters in JONSWAP spectrum on the dynamic response of the system is further conducted. The associated results indicate that the heave motions, the pitch motions and the vertical connector loads of the hinged pontoons decrease nonlinearly with the growth of peak frequency under general sea conditions, while the peak enhancement factor has little influence on the dynamic responses of the hinged floating bridge. In addition, the first pontoon in the hinged floating bridge shows the greatest motion responses, and more attention should be paid to its dynamic response during analysing the security of hinged floating bridge.</div></div>","PeriodicalId":49879,"journal":{"name":"Marine Structures","volume":"99 ","pages":"Article 103708"},"PeriodicalIF":4.0,"publicationDate":"2024-10-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142433555","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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
Support condition identification for monopile-supported offshore wind turbines based on time domain model updating 基于时域模型更新的单桩支撑海上风力涡轮机支撑条件识别
IF 4 2区 工程技术
Marine Structures Pub Date : 2024-10-13 DOI: 10.1016/j.marstruc.2024.103709
Jun Liang , Bence Kato , Yuhao Fu , Ying Wang
{"title":"Support condition identification for monopile-supported offshore wind turbines based on time domain model updating","authors":"Jun Liang ,&nbsp;Bence Kato ,&nbsp;Yuhao Fu ,&nbsp;Ying Wang","doi":"10.1016/j.marstruc.2024.103709","DOIUrl":"10.1016/j.marstruc.2024.103709","url":null,"abstract":"<div><div>The soil-structure interaction (SSI), which presents intricate nonlinearities and inevitably varies throughout the structural lifetime, is critical for the structural performance of monopile-supported offshore wind turbines (OWTs). Since its direct monitoring is challenging, a new time domain model updating method for support condition identification of monopile-supported OWTs is proposed in this study. A distributed spring-dashpot model incorporating nonlinear stiffness and damping is used to simulate the SSI. Time-domain responses of the OWT are used to construct the objective function for model updating. Vibration tests on a scaled model of the DTU 10 MW OWT are performed in the laboratory to verify the proposed method. The model updating results based on the test data show that the mean squared error between simulated and measured responses is less than 0.011, significantly smaller than the results obtained by using the traditional frequency-domain model updating methods. These findings demonstrated that the proposed distributed spring-dashpot model can accurately capture the complex nonlinearity in SSI and that the proposed time-domain model updating method can be used to identify the support conditions of monopile-supported OWTs. The methodology is expected to contribute significantly to enhancing the efficiency of the operation and maintanence for OWTs.</div></div>","PeriodicalId":49879,"journal":{"name":"Marine Structures","volume":"99 ","pages":""},"PeriodicalIF":4.0,"publicationDate":"2024-10-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142418093","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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
Axial Winkler springs for vertically loaded piles 用于垂直荷载桩的轴向温克勒弹簧
IF 4 2区 工程技术
Marine Structures Pub Date : 2024-10-13 DOI: 10.1016/j.marstruc.2024.103707
Rui He , Dan Wang , Amir M. Kaynia
{"title":"Axial Winkler springs for vertically loaded piles","authors":"Rui He ,&nbsp;Dan Wang ,&nbsp;Amir M. Kaynia","doi":"10.1016/j.marstruc.2024.103707","DOIUrl":"10.1016/j.marstruc.2024.103707","url":null,"abstract":"<div><div>Axial soil spring stiffness along piles is crucial in the dynamic analysis of offshore jacket foundations. This study proposes a rigorous analytical model for vertically loaded piles embedded in a soil layer based on Green's functions. The stiffness of both end-bearing piles and floating piles can be obtained from this model, which is different from previous studies that have considered end-bearing piles and floating piles by two different models. The study investigates various factors affecting the soil springs. The actual distribution of soil spring stiffness is complicated, even for homogeneous soils. To facilitate the engineering application, the soil spring stiffness is averaged to uniform distribution according to the equivalent work method. The pile with relative pile-soil axial stiffness greater than 1.5 can be treated as a rigid pile in which the soil spring stiffness depends primarily on the pile slenderness ratios. For other cases, referred to as flexible piles, the soil spring stiffness depends on both pile slenderness ratio and pile-soil modulus ratio. Simplified analytical expressions are proposed for the averaged soil spring stiffness of both rigid and flexible piles in different soil profiles. Besides, the soil layer effect is significant for short piles but negligible for long piles.</div></div>","PeriodicalId":49879,"journal":{"name":"Marine Structures","volume":"99 ","pages":"Article 103707"},"PeriodicalIF":4.0,"publicationDate":"2024-10-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142433556","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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
Shaking table tests of offshore wind turbine systems with a suction bucket foundation in sandy seabed subject to earthquake and wind loads 在承受地震和风荷载的沙质海床上对带有吸斗基础的海上风力涡轮机系统进行振动台试验
IF 4 2区 工程技术
Marine Structures Pub Date : 2024-10-09 DOI: 10.1016/j.marstruc.2024.103706
Bin Gao , Chong Li , Feilong Zhou , Wenxuan Zhu , Guanlin Ye
{"title":"Shaking table tests of offshore wind turbine systems with a suction bucket foundation in sandy seabed subject to earthquake and wind loads","authors":"Bin Gao ,&nbsp;Chong Li ,&nbsp;Feilong Zhou ,&nbsp;Wenxuan Zhu ,&nbsp;Guanlin Ye","doi":"10.1016/j.marstruc.2024.103706","DOIUrl":"10.1016/j.marstruc.2024.103706","url":null,"abstract":"<div><div>With the rapid development of offshore wind power industries in China, a significant proportion of existing and planned offshore wind farms are located near seismically active zones with liquefaction potential. Seismic liquefaction threaten the safety of suction bucket foundations supported offshore wind turbines. The shaking table tests for sandy seabed - suction bucket - offshore wind turbine system were carried out under combined wind and earthquake loads. The response of the ground and structure under seismic and wind loads was investigated carefully. The effects of wind load, seismic load, and drainage holes in the top cover of the suction bucket on the dynamic response of this system were obtained. Test results indicate that the increase of peak acceleration results in the increase of seabed, turbine response, excess pore water pressure and wind turbine's rotation. The influence of 2 Hz sine wave on offshore wind turbines is greater than that of 4 Hz. The tilt of the wind turbine under the combined action of wind and earthquake is greater than that under the action of wind load or earthquake alone. Top drainage of the bucket foundation will reduce the seismic capacity of the suction bucket foundation. The research can provide reference for the seismic design of suction buckets for offshore wind turbines.</div></div>","PeriodicalId":49879,"journal":{"name":"Marine Structures","volume":"99 ","pages":"Article 103706"},"PeriodicalIF":4.0,"publicationDate":"2024-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142417597","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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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