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Keywords: calculation
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Proceedings Papers

Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-518
... for resistance calculation, and the obtained results are numerically compared with the results of the ship model resistance test carried out in the towing tank. The second part of this paper designs the ship formation scheme, and calculates the resistance again under the appropriate formation scheme. The third...
Proceedings Papers

Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-519
... by the method of combining model test and numerical calculation. The drag reduction efficiency of the ship at the ballast and design draft is displayed through the resistance change curve, pressure distribution diagram and wave height diagram, and the optimal trim curve at a certain speed is obtained...
Proceedings Papers

Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-524
... Chunping et al. (2012) completed the full parametric modeling of KCS by using parametric modeling software CAESES, and combined with hydrodynamic calculation software to complete the study of automatic optimization of KCS profile. Zhan et al. (2012) used a fusion deformation method to generate a series...
Proceedings Papers

Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-527
... of the optimized ship is calculated by the CFD method, and the ship resistance prediction model is established based on the BP neural network. This study verifies the feasibility of the optimization method and the accuracy of using BP neural network to predict ship resistance. KEY WORDS: Bow lines optimization...
Proceedings Papers

Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-528
... into low-order systems, and realize real-time calculation and analysis of the system while ensuring accuracy, and provide efficient real-time virtual mapping results for digital twin technology. Based on the proper orthogonal decomposition (POD), this paper takes the flow velocity as input variables...
Proceedings Papers

Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-450
... bearing ship relative deformation model test internal pressure distribution marine transportation pressure distribution deformation calculation finite element model rotation schematic diagram external load shaft system simulation element model diagram boundary condition...
Proceedings Papers

Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-451
... accident. While for design purposes the aim is to calculate the fatigue life of a structural detail based on a probabilistic approach, in the case of an occurred accident the driving philosophy is to accurately analyze the life history of the structure and to calculate, by an inverse approach...
Proceedings Papers

Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-455
... insulation performance of flat plate or layered-structure excited by various complex sound sources need to be researched. For the problem of a vibrating piston exciting a plate, the spherical harmonic expansion is used to calculate the radiated sound field of the piston, which can be expanded...
Proceedings Papers

Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-282
... to a depth of several kilometers below the seafloor. It cannot be said that these instruments are suitable for underwater archaeology in terms of cost and accuracy. exploration sub-bottom profiler upstream oil & gas calculation towed vehicle archaeological science vehicle instrument cable...
Proceedings Papers

Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-291
...). Therefore, it is of great significance to study the scale effect of wake field for the rapidity of ships (Froude W, 1872; B.E Launder, 1972; B.E Launder, 1974; Larsson L, 1991; Zhu Renchuan, 2007). Taking the KCS standard ship model as the research object, this paper calculates the wake field at a fixed...
Proceedings Papers

Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-459
... machine learning motion response heave network model artificial intelligence output data hot spot fatigue damage fatigue damage prediction neural network prediction sea state response spectrum calculation fatigue damage ship motion reference data mesh ABSTRACT A novel...
Proceedings Papers

Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-478
..., 2016). Therefore, this paper adopts the following calculation scheme : Taking the Falcon 9 rocket body and a solid rocket engine as an example, the numerical simulation method is used to simulate and analyze the gas flow field on the deck during the rocket recovery process. After the first rocket...
Proceedings Papers

Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-585
... because the jet flow in steering and reversing unit is quite complex. In this paper, a CFD+FEM fluid-structure coupling simulation method is established to calculate the pin force, and the results of model experiments and numerical simulation are compared. The results show that the hydrodynamic load...
Proceedings Papers

Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-586
... displacement of the oil film. Firstly, based on the theory of hydrodynamic lubrication, the oil film characteristics of the bearing under different speeds, inclination angles and loads are analyzed; Secondly, a coupling model for shafting alignment and oil film characteristics calculation is established, which...
Proceedings Papers

Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-533
... to calculate the hydrodynamic interactions of two ships under different conditions such as speed, transverse distance, longitudinal distance, wave height and frequency, and the effects of the above factors on the hydrodynamic interactions of two ships were analyzed. With the rapid development of the shipping...
Proceedings Papers

Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-538
... model objective function regression model machine learning algorithm resistance calculation basis function ABSTRACT This paper introduces a method of using Bayesian Optimization to build an approximate model called Multilayer Perceptron(MLP) in the process of automatic ship hull form...
Proceedings Papers

Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-572
... optimization on an oil tanker. The conventional lower end bracket of vertical web frames on longitudinal bulkhead and its back bracket supporting for double bottom floor are replaced by new inclined tie, which is shown in Fig. 1. freight & logistics services calculation oil tanker yamin tang...
Proceedings Papers

Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-575
... ABSTRACT This paper proposes that the convex deck should be directly calculated and checked in the design stage, which can not only meet the requirements of the Rule, but also ensure the strength and stiffness of the convex deck and save the workload of later design and fine element analysis...
Proceedings Papers

Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-577
... on prescriptive strength assessment of CSR rule. Firstly, a study on the optimization mathematical function is carried out. And a model is created with the objective function being the minimum nominal thickness of corrugation. Then calculation methods are studied about the loads for prescriptive strength...
Proceedings Papers

Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-578
.... vehicle deck ultimate strength experiment patch load aluminum vehicle deck strain gauge calculation contact pressure elastic stage transverse frame wheel load maximum stress longitudinal stiffener plastic stage experimental data maximum bearing capacity Proceedings of the Thirty-second...

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