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Keywords: thickness
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Proceedings Papers
Incorporating Additive Manufacturing Methods into Structural Model Testing
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Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-482
... is shown in Figure 2 (Printing processes, 2024). The SLA technology is based on the photopolymerization of liquid photopolymer resin. The process uses a laser source to cure the liquid resin each layer. The part is created by moving downward a distance equal to the thickness of the layer until the part...
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
... of the platform legs stiffness are discussed in this section. The thickness is varied from 11 mm to 120 mm to model the stiffness changes. Maximum equivalent plastic strain The maximum equivalent plastic strain of the platform structure is an important concern for structural damage. The results of maximum...
Proceedings Papers
Development of Heavy-Gauge Plate for Linepipe with Excellent Sour Resistance and Low-Temperature Toughness
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Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-456
.... A plate for pipelines with excellent SSC resistance performance, even in severe sour environments, was developed using a combination of a mild accelerate-cooling (MAC) process and an appropriate tempering process. Herein, a heavy-gauge plate with a maximum thickness of 40 mm for a linepipe with API grade...
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
... model of FPSO aft part. According to the mooring equipment arrangement and structure of FPSO, we checked the strength of different thickness of deck plate and different strengthening schemes of underdeck reinforcement structure. Through analysis by Patran and Nastran, we compared with the influence...
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
... navigation. geologist artificial intelligence geological subdiscipline thickness curvature metamaterial deformation diameter uniaxial compression reservoir geomechanics prediction bayesian optimization lattice geology machine learning regression specimen fcc lattice metamaterial...
Proceedings Papers
Research on the Optimal Rib Stiffness Distribution of Titanium Alloy Stiffened Cylindrical Shell Under Different Design Inputs
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Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-494
... the optimal rib stiffness distribution. Design variables are the thickness of the cylindrical shell, the sizes of the minimum and maximum T-ring ribs. Constraints include the strength, weight with the same of the optimization scheme of titanium alloy stiffened cylindrical shell with equal rib stiffness...
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
... + i ) 2v x2 + Gihi 2v y2 + Gihi i 2v x y i 2v t2 = 0 (1) (2) (3) Where: Di is the bending stiffness of the plate, i is the mass per unit area, Ei is the elastic modulus of the plate, Gi is the shear modulus of the plate, hi is the thickness of the plate subsystem, j...
Proceedings Papers
The Investigation of the Hysteretic Behavior of a Three-Dimensional Viscoelastic Structure with Negative Poisson's Ratio for Vibration Isolation of Semi-Submersible 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-24-483
... poisson journal reservoir characterization star-negative poisson honeycomb mechanism hysteretic behavior three-dimensional viscoelastic structure absorption characteristic thickness characteristic zhang metamaterial stiffness concave hexagonal vibration isolation Proceedings...
Proceedings Papers
Investigation on Dynamic Behavior of Gradient Honeycomb Sandwich Plate Under Repeated Impacts
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Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-477
... of honeycomb sandwich plate is composed of front and back face sheets as well as honeycomb core. The dimension of the test sample is 250 mm×250 mm. The inner effective dimension of the clamp apparatus is 180 mm×180 mm. The thickness of the face sheets and honeycomb core are defined as 1mm and 20 mm...
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
... the influence of relative density of the structure, layer thickness, and thickness ratio of each layer on the natural vibration characteristics. KEY WORDS: Sandwich panel structures; Numerical calculation; Simulation calculation; Vibration characteristics INTRODUCTION Stretching dominated truss-lattice...
Proceedings Papers
Numerical Simulation on Damage of Subsea Pipelines by Hooking of Dragging Anchor
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Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-479
... the limited computational resources and boundary effects, the seabed soil is set as a three-dimensional Euler region with a length of 50,000 mm, a width of 10,000 mm and a height of 8,000 mm, and the thickness of the soil is set as 5,000 mm. In order to ensure that there is a large enough space for Euler...
Proceedings Papers
New Site Specific CPT-based Suction Bucket Jacket Installation Coefficients from Field Measurements
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Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-012
... unit parameters are given in Table 2. Soil stratigraphy is fairly homogenous in terms of soil units. However, the thickness of soil units can vary significantly as shown in Table 1. A very soft to soft normally consolidated clay (Unit 1) is found at every WTG location. The thickness of Unit 1 ranges...
Proceedings Papers
Research on the Effect of Rock Berm Protection for Submarine Pipelines in Channel Area
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Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-475
... of impact energy and maintain pipeline safety, and there is an optimal thickness for rock berm protection under the premise of safety and economy. Finally, the thickness model of the minimum rock berm can be established using the methodology. INTRODUCTION At present, submarine pipeline transportation...
Proceedings Papers
Simulation of Liquid Hydrogen Jet Impacts on a Corrugated Membrane
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Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-589
... measurements carried out in the past were assumed good enough to qualify the membrane for LNG. equation of state thickness inclination fluctuation coefficient membrane tank sensor pulsation reservoir simulation mesh liquid-gas interface interaction corrugated membrane corrugation...
Proceedings Papers
Experimental Study of Influence of Bubble Flows on the Boundary Layer Below a Plate in Shallow Water Environment
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Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-514
... efficiency and low cost. reservoir surveillance resistance contour engineering production logging experiment mechanism bubble flow reduction production control friction resistance velocity contour numerical simulation water environment experimental study thickness production monitoring...
Proceedings Papers
Enhancing Structural Safety of Secondary Barriers in LNG (Liquefied Natural Gas) Ships Through Optimization of Adhesive Application
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Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-573
... strength of not only the secondary barrier but also the adhesive itself, key modifications involve variations in adhesive dimensions, including width and thickness, as well as alterations in application methods and adhesive material properties. INTRODUCTION Natural gas has gained attention...
Proceedings Papers
Mid-Ship Section Optimization Using Domain Knowledge-Based Multilevel Grouping and Cooperative Bayesian Optimization
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Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-550
... thickness and stiffeners sizes separately. The second level groups the panel thickness and the attached stiffeners sizes as a subproblem. The third level groups the panel thickness that share common stiffeners sizes, along with the stiffeners sizes as a subproblem. The optimization order of subproblems (i.e...
Proceedings Papers
The Ultimate Strength of Sandwich Plates Under In-Plane Compressive Load Based on Submodel 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-24-517
..., boundary conditions, laser weld rotational stiffness amplitude and nonlinearity on the ultimate strength of laser welded I-type sandwich plates based on nonlinear finite element calculation method (Zhong Q. & Wang D.Y. 2021, Zhong Q. & Wang D.Y. 2022). strength thickness in-plane...
Proceedings Papers
Experimental and Nonlinear Numerical Analysis of Ultimate Strength of Hull Structures Subjected to Vertical Bending Moment
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Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-518
... load, so it is the main indicator to measure the ultimate strength of the hull. modeling & simulation ship longitudinal girder l-bar strength girder engineering mathematics of computing thickness constraint numerical calculation hull boundary constraint displacement nonlinear...
Proceedings Papers
Numerical Study on the Effect of Relative Thickness on Hydrofoil Cavitation
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Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-598
... of hydrofoil, and based on the relative thickness parameter, select the optimal hydrofoil. Therefore, based on STAR-CCM+, this paper adopts adaptive mesh technology to study the hydrodynamic performance and cavitation characteristics of hydrofoils with different relative thickness under different cavitation...
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