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Keywords: calculation
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Proceedings Papers
Safety Assessment of Semi-Submersible Platform Structures Based on Hybrid Twin Technology
Available to Purchase
Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-465
... to do further investigation, thus establishing the T _ RAO correction factor and the stress twinning correction coefficients, thereby achieving a more accurate twinning of structural hotspots. This further establishes the foundation for a more precise calculation of fatigue damage in structural...
Proceedings Papers
Mooring System Compatibility Analysis of Large LNG Carrier
Available to Purchase
Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-022
... arrangement, mooring calculation, environment combination, design criteria, etc. Three typical mooring compatibility cases are analyzed: Case A based on mooring to terminal and standard OCIMF environment;Case B based on mooring to terminal, standard OCIMF environment and local environment required by terminal...
Proceedings Papers
Study on Dynamic Responses of Offshore Platform Under Ship Collision
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Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-015
... in the numerical calculations of ship-platform collision. As the collision problem belongs to a dynamic event, Abaqus/Explicit solver, as an explicit-dynamic finite-element solver, is selected for the calculations. The dynamic equilibrium equation is Mu(t) + f (t) = p(t) (1) where u is a state vector...
Proceedings Papers
Fundamental Study on Time Domain Motion Prediction of an Array of Floating Bodies
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Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-021
... of the future wave exciting force as a known value (Hals et al., 2011). However, this assumption is not appropriate for practical conditions. Therefore, an accurate prediction method of wave exciting force is required. According to the development of numerical calculation performance, the force can be estimated...
Proceedings Papers
Research on the Hydroelastic Responses and Connector Forces of a Floating Bridge in Frequency Domain
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Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-003
... are also obtained. The results show that the principal coordinate responses of rigid modes calculated by the present method are consistent with the results calculated by AQWA, and the motion responses of the pontoons calculated by the present method are in good agreement with the model test results...
Proceedings Papers
Research on Strength Evaluation Method for a Grounding Container Ship During Salvage
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Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-476
..., it is necessary to calculate and analyze the target ship's load adjustment, stability, structure, and external force allocation. The accurate structural analysis and evaluation of the seriously damaged ship is the prerequisite for the safe rescue operation of the ship. Finite element analysis software...
Proceedings Papers
Integrated Simulation Technology of Underground Gas Storage Based on Digital Twin Technologies
Available to PurchasePeixian Wang, Jun Ma, Zunzhao Li, Xiaolin Wang, Mingyi Li, Xiaosi Wang, Jinjie Ouyang, Ya Wang, Shizhe Yao, Mingrui Liu, Wanli Xiong, Kai Ding, Shihao Ding
Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-043
... coupling model to simulate the transient flow in gas wells. Some scholars established a wellbore temperature and pressure calculator through coupling calculation with reservoir simulator. The digital twin system of UGS The digital twin technology is a typical tool and vector for digital transformation...
Proceedings Papers
Optimization Analysis of FPSO Mooring Reinforcement Structure
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Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-030
... of increasing deck plate thickness on the stress of the hull structure and only strengthening the mooring equipment under deck structure without deck plate change. The results of stress calculation by the software show that the stress is reduced by increasing the thickness of deck plate. However, the influence...
Proceedings Papers
Research on the Construction Method of Neural Network-Based Surrogate Model for Wave Load Prediction of Offshore Platforms
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Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-014
... such as Stokes wave theory and Morison's formula. In this study, a numerical simulation method is used to construct a sample database by taking parameters such as wave height, period, and flow velocity as inputs and calculating wave loads using the finite element software ANSYS APDL. A Bayesian regularized...
Proceedings Papers
Research on the Prediction of Mechanical Properties of Micro Curved Shell FCC Lattice Metamaterial Based on Machine Learning
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Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-480
... structure Abaqus or computational model is established, Use numerical models to analyze the impact of various parameters on the mechanical properties of the structure. Using simulation to calculate the stress-strain data of quasi-static large deformation uniaxial compression under multiple working...
Proceedings Papers
Study on the Coupling Loss Factor of Two Plates Coupled at Any Angle Based on Wave Method
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Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-493
... be used to quickly estimate the high-frequency vibration and sound characteristics of structures. While the coupling loss factor is one of the key parameters for statistical energy analysis calculation. This article derives the coupling loss factor of two flat plates connected at any angle based on wave...
Proceedings Papers
Prediction and Analysis of Penetration Depth of Jack-up Rig Based on Finite Element Method
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Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-018
... profiles calculated using industry-standard Organization(ISO) guidelines, a recently proposed mechanism-based calculation method, and 3D large deformation finite element simulations provided valuable insights for practitioners to estimate the behavior of jack-ups in sand soil profiles on problematic clay...
Proceedings Papers
Prediction of Wave-Induced Motion Response for High Sea State Moonpool Salvage Catamaran
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Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-040
... the hydrodynamic performance of catamaran salvage ship. Ship hydrodynamic performance research methods mainly include theoretical calculation method, empirical formula method, model test method and CFD method. With the development of computer technology and the optimization of its performance, more and more...
Proceedings Papers
Research on the Semi-Floating Operation Performance of the Self-Elevating Gravel Laying and Leveling Platform
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Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-039
... operation gravel calculation geology platform hull mooring system semi-floating operation self-elevating gravel laying stiffness self-elevating platform strength research geologist international society subsea system self-elevating gravel semi-floating operation performance...
Proceedings Papers
An Efficient Method for Calculating Slamming Loads on Offshore Jacket Structures Under Extreme Waves Utilizing Simulated Wave Kinematics
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Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-473
... ABSTRACT High loads resulting from extreme waves may challenge the structural integrity of offshore installations. Existing methods for slamming loads calculation mainly rely on basic wave characteristics, offering conservative estimates. The current study introduces an innovative method...
Proceedings Papers
Analysis on Breakout Force of Jack-up Platform
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Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-010
... to observe soil-failure mechanisms and extraction resistance. Pan et al.(2020) presented a method for calculating the force required to extract the spudcan foundations of mobile jack-up platforms after they have penetrated through a sand layer into underlying clay. Zheng (2023) investigated the spudcan...
Proceedings Papers
Selection of Mooring Specification of Elastic Mooring System for Very Large Floating Structures
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Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-024
... response. Through systematic calculations, it was determined that the optimal length of synthetic fiber rope for each mooring system could be determined. The objective of this study is to outline a set of procedures that support the design of elastic mooring systems. This will enable the selection...
Proceedings Papers
A Fast Prediction Method for Input Mechanical Impedance of Pipeline Systems
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Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-490
... the vibration isolation of equipment. Therefore, it has practical significance to predict pipeline impedance. Based on the analysis of ship vibration characteristics at low-frequency bands, this paper provides mathematical models for calculating the impedance of typical pipeline structures, and engineering...
Proceedings Papers
Research on Vibration Characteristics of Lattice Meta Materials Sandwiched Panel Structure
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Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-489
...), Wuhan, Hubei, China. ABSTRACT This article conducts a study on the vibration characteristics of different lattice sandwich panel structures. Using the equivalent continuum method, derive the equivalent stiffness matrix of crystal cells and the calculation method for the natural vibration characteristics...
Proceedings Papers
Maneuvering Prediction of a Twin-Propeller Twin-Rudder High-Speed Craft Based on Integrated CFD and Empirical Methods
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Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-544
... resistance of high-speed planing boats. Li (Li, Wang et al. 2007) proposed a method for estimating the resistance of high-speed displacement catamarans. mathematics of computing numerical simulation hull calculation maneuvering prediction simulation resistance ship propeller ship...
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