Journal of Offshore Mechanics and Arctic Engineering: Recent submissions
Now showing items 141-160 of 2100
-
A Code-to-Code Comparison for Dynamic Modeling and Response Analysis of Offshore Wind Turbine Blade Mating Process
(The American Society of Mechanical Engineers (ASME), 2023)Offshore wind turbine blade installation using jack-up crane vessel is a challenging task. Wave- and wind-induced loads on the installation system can cause large relative motion between the blade root and the hub during ... -
Dynamic Response of 15 MW Floating Wind Turbine With Non-Redundant and Redundant Mooring Systems Under Extreme and Accidental Conditions
(The American Society of Mechanical Engineers (ASME), 2023)This work focuses on examining the dynamic behavior of large floating offshore wind turbine (FOWT) exposed to extreme (wind and wave with 50-year return period) and accidental (mooring line breakage) loadings. The FOWT ... -
Verification and Validation of Computational Fluid Dynamic Simulations of a FOWT Semi-Submersible Under Bichromatic and Random Waves
(The American Society of Mechanical Engineers (ASME), 2023)In the present work, an extensive verification and validation study is performed to evaluate the accuracy and credibility for computational fluid dynamic (CFD) simulations of the hydrodynamic responses of a semi-submersible ... -
Identification and Investigation of Extreme Events Using an Arbitrary Lagrangian–Eulerian Approach With a Laplace Equation Solver and Coupling to a Navier–Stokes Solver
(The American Society of Mechanical Engineers (ASME), 2023)Increased deployment of offshore wind turbines is seen as an important pathway to increase green renewable energy production. Improved and rapid identification of extreme events and evaluation of hydrodynamic loads due to ... -
Turbulent Anisotropy and Length Scale Variation Over Multiple Shaped Structure
(The American Society of Mechanical Engineers (ASME), 2023)The turbulent flow characteristics over bed-mounted three different cubical shape bluff bodies are examined experimentally in the water channel facility. The steady and fluctuating flow fields are investigated to analyze ... -
A Boundary Element Method for the Prediction of Hydrodynamic Ship–Ice–Wave Interactions in Regular Waves
(The American Society of Mechanical Engineers (ASME), 2023)For ships navigating in ice floe fields, ship–ice–wave interactions may affect ship performance and ice impact forces. This paper presents an approach to evaluate the cross-coupling added mass and hydrodynamic damping ... -
Numerical and Experimental Analyses of a Partially Water-Filled Inclined Floating Body
(The American Society of Mechanical Engineers (ASME), 2023)Floating bodies are widely used in the field of offshore engineering. Existing studies show that the motion responses of a floating body in waves will change with the internal water in the cabins, and it is essential to ... -
Wave Action Analysis of Multiple Bottom Fixed Semi-Circular Breakwaters in the Presence of a Floating Dock
(The American Society of Mechanical Engineers (ASME), 2023)The comprehensive usage of an array of natural or artificial semi-circular breakwaters (SCBs) as supporting structures to secure the floating/fixed structures are received increasingly more consideration in recent years. ... -
Finding Dangerous Waves—Review of Methods to Obtain Wave Impact Design Loads for Marine Structures
(The American Society of Mechanical Engineers (ASME), 2023)Green water and slamming wave impacts can lead to severe damage or operability issues for marine structures. It is therefore essential to consider their probability and loads in design. This is difficult, as impacts are ... -
Optimization of the Hydrodynamic Performance of a Wave Energy Converter in an Integrated Cylindrical Wave Energy Converter-Type Breakwater System
(The American Society of Mechanical Engineers (ASME), 2023)Wave energy converters (WECs) are built to extract wave energy. However, this kind of device is still expensive for commercial utilization. To cut down the cost of WECs by sharing the construction cost with breakwaters, ... -
Assessment of the Hydrodynamic Performance of an Oscillating Water Column Device in Front of a V-Shaped Vertical Wall
(The American Society of Mechanical Engineers (ASME), 2023)In this work, an oscillating water column (OWC) device is considered placed in front of a V-shaped vertical breakwater. The idea conceived, is based on the amplified wave power absorption due to the wave interactions ... -
Hydroelastic Analysis of Hard Chine Sections Entering Water—Observations for Use in Preliminary Design Stage
(The American Society of Mechanical Engineers (ASME), 2023)Wing-in ground effect (WIG) vehicles and planing hulls are exposed to unsteady, high magnitude hydrodynamic forces as their bow enters water. The resulting forces can lead to structural damage and uncomfortable riding ... -
An Explanation for a Paradox in a Fluid-Discharging Cantilevered Pipe Attached With an End-Mass
(The American Society of Mechanical Engineers (ASME), 2023)For a fluid-discharging cantilevered pipe attached with an end-mass, there are two methods to account for the end-mass effect. The first is that the end-mass is considered in the boundary conditions. The second is that the ... -
Estimation of Subsea Line Structure Behavior Based on Sequential Data Assimilation With Distributed Sensing
(The American Society of Mechanical Engineers (ASME), 2023)In this paper, a method that estimates the real-time behavior of subsea line structures based on sequential data assimilation with distributed strain sensors is proposed. A finite element method is used to represent the ... -
Physical Testing Campaign Facilitating Validation of Welded Steel Structures by Non-Linear Finite Element Analysis
(The American Society of Mechanical Engineers (ASME), 2023)Non-linear finite element (FE) analysis is a powerful tool for determination of ultimate capacities of steel components. To produce reliable predictions of structural strength, it is of fundamental importance that non-linear ... -
An Improved Method for Predicting Roll Damping and Excessive Acceleration for a Ship With Moonpool Based on Computational Fluid Dynamics Method
(The American Society of Mechanical Engineers (ASME), 2023)Excessive acceleration is one of the stability failure modes involving large roll motion of ships. The overset method is applied to solve the six degrees-of-freedom motion of the ship with moonpool in beam waves. Based on ... -
Mitigation of Wave Impact on Sea Wall by a Floating Elastic Plate and a Porous Structure
(The American Society of Mechanical Engineers (ASME), 2023)The purpose of the present study is to reduce the high wave load on a sea wall by utilizing an elastic plate (EP) kept at fixed distance from a porous structure (PS). Thin plate theory is used to model the flow past EP, ... -
Analyzing Extreme Sea State Conditions by Time-Series Simulation Accounting for Seasonality
(The American Society of Mechanical Engineers (ASME), 2023)This article presents an extreme value analysis on data of significant wave height based on time-series simulation. A method to simulate time series with given marginal distribution and preserving the autocorrelation ... -
UiS Subsea-Freight Glider: A Large Buoyancy-Driven Autonomous Cargo Glider
(The American Society of Mechanical Engineers (ASME), 2023)This study presents the baseline design for the autonomous subsea vehicle capable of traveling at a lower speed of 1 m/s with an operating range of 400 km. Owing to UiS subsea-freight glider’s (USFG) exceedingly economical ... -
Two-Dimensional Planar Modeling of the Depth Control of a Subsea Shuttle Tanker
(The American Society of Mechanical Engineers (ASME), 2023)A novel subsea shuttle tanker (SST) concept was proposed as a cost-effective alternative to subsea pipelines and tanker ships for liquid CO2 transportation between a source facility and a subsea well. The SST will be ...