Journal of Offshore Mechanics and Arctic Engineering: Recent submissions
Now showing items 321-340 of 2185
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Effects of Internal Fluid on the Dynamic Behaviors of Double Cylindrical Shells Subjected to Underwater Explosion
(The American Society of Mechanical Engineers (ASME), 2022)Fluid-filled double cylindrical shells were widely used in the marine engineering field and their blast resistance was considerably concerned. In this paper, the dynamic behaviors of fluid-filled double cylindrical shells ... -
Load Coefficients and Dimensions of Raschel Knitted Netting Materials in Fish Farms
(The American Society of Mechanical Engineers (ASME), 2022)New types of fish farms are often larger and structurally more complex than conventional fish farming structures, and associated challenges concerning safety and costs increase correspondingly. Thus, increased precision ... -
Jump Bifurcation Phenomenon During Varying Wind Speeds in Floating Offshore Wind Turbines
(The American Society of Mechanical Engineers (ASME), 2022)Floating offshore wind turbines (FOWTs) are susceptible to instability which has come to be called negative damping. Conventional land-based wind turbine controllers when used with FOWTs may cause large-amplitude platform ... -
Response and Instability of Sloping Seabed Supporting Small Marine Structures: Wave–Structure–Soil Interaction Analysis
(The American Society of Mechanical Engineers (ASME), 2022)Wave-induced liquefaction in seabed may adversely impact the stability and bearing capacity of the foundation elements of coastal structures. The interaction of wave, seabed, and structure has been studied mostly for only ... -
Coupled Dynamic Analysis of Hybrid Offshore Wind Turbine and Wave Energy Converter
(The American Society of Mechanical Engineers (ASME), 2021)The combined offshore wind and wave energy on an integrated platform is an economical solution for the offshore energy industry as they share the infrastructure and ocean space. The study presents the dynamic analysis of ... -
Effects of Simulation Length and Flexible Foundation on Long-Term Response Extrapolation of a Bottom-Fixed Offshore Wind Turbine
(The American Society of Mechanical Engineers (ASME), 2021)This paper deals with statistical and modeling uncertainty on the estimation of long-term extrapolated extreme responses in a monopile offshore wind turbine. The statistical uncertainty is addressed by studying the effect ... -
Numerical Solutions of Two-Dimensional Navier–Stokes Equations Based on a Generalized Harmonic Polynomial Cell Method With Non-Uniform Grid
(The American Society of Mechanical Engineers (ASME), 2022)It is essential for a Navier–Stokes equations solver based on a projection method to be able to solve the resulting Poisson equation accurately and efficiently. In this paper, we present numerical solutions of the 2D ... -
Head Wave Simulation of a KRISO Container Ship Model Using OpenFOAM for the Assessment of Sea Margin
(The American Society of Mechanical Engineers (ASME), 2022)The paper presents calm water and head wave simulation results for a KRISO Container Ship (KCS) model. All simulations have been performed using the open source CFD toolkit, OpenFOAM. Initially, a systematic verification ... -
Numerical Simulation of Wave Interaction With a Pair of Fixed Large Tandem Cylinders Subjected to Regular, Non-Breaking Waves
(The American Society of Mechanical Engineers (ASME), 2022)This paper presents the application of a two-phase computational fluid dynamics (CFD) model to carry out a detailed investigation of the nonlinear wave field surrounding a pair of columns placed in the tandem arrangement ... -
Micro-Testing While Drilling for Rate of Penetration Optimization: Experiments and Simulations
(The American Society of Mechanical Engineers (ASME), 2021)The rate of penetration (ROP) is one of the key parameters related to the efficiency of the drilling process. Within the confines of operational limits, the drilling parameters affecting the ROP should be optimized to drill ... -
Assessment of Stress Concentration Factors of Dented Rigid Risers Under Fatigue Loadings
(The American Society of Mechanical Engineers (ASME), 2022)In the development of oil and gas fields, subsea pipes are used in various applications, like pipelines and risers. During operation, risers can be subjected to accidents, such as collisions with other risers, anchors, ... -
Focused Plunging Breaking Waves Impact on Pile Group in Finite Water Depth
(The American Society of Mechanical Engineers (ASME), 2021)Accuracy estimation of wave loading on cylinders in a pile group under different impact scenarios is essential for both the structural safety and cost of coastal and offshore structures. Differing from the interaction of ... -
Three-Dimensional Numerical Simulation of a Flat Plate Perpendicularly Submitted to Current With a Blockage Ratio of 0.214: URANS and Detached Eddy Simulation
(The American Society of Mechanical Engineers (ASME), 2022)The uniform flow over a nominally two-dimensional normal thin flat plate with blockage ratio 0.214 was numerically investigated in three dimensions by three methods: unsteady Reynolds-averaged Navier–Stokes (URANS) based ... -
Hydrodynamic Coefficients of a Floater Near a Partially Reflecting Seawall in the Presence of an Array of Caisson Blocks
(The American Society of Mechanical Engineers (ASME), 2021)In the present study, surface gravity wave scattering and radiation by a freely floating rectangular buoy placed near a partially reflecting seawall and in the presence of an array of caisson blocks are analyzed. Various ... -
Parametric Behavior of a Vortex-Induced Vibration Model of Cylinders With Two Degrees-of-Freedom Using a Wake Oscillator
(The American Society of Mechanical Engineers (ASME), 2021)A recent model to predict vortex-induced vibrations of a rigid cylinder is analyzed, and its response is compared with different experimental data presented in the literature. One database with the tuning parameters for ... -
Fluid Forces and Vortex Patterns of an Oscillating Cylinder Pair in Still Water With Both Fixed Side-by-Side and Tandem Configurations
(The American Society of Mechanical Engineers (ASME), 2021)Models of cylinders in the oscillatory flow can be found virtually everywhere in the marine industry, such as pump towers experiencing sloshing load in a liquefied natural gas ship liquid tank. However, compared to the ... -
A Computational Fluid Dynamics Approach for Modeling the Fluid–Structure Interaction of Offshore Aquaculture Cages and Waves
(The American Society of Mechanical Engineers (ASME), 2021)Open ocean aquaculture cages became a promising alternative to traditional fish cage designs recently. The offshore environment implies larger loads on the structure and thus higher risk for fish loss. Floating rigid ... -
Multi-Objective Collaborative Flexibility Optimization Design of the Strengthening Layer of a Flexible Riser
(The American Society of Mechanical Engineers (ASME), 2021)Marine flexible risers are widely used in ocean oil and gas extraction, and need to withstand environment loads (wave and current) and the large offset of the floater. Therefore, the flexible riser is subjected to tension, ... -
Component-Based Modeling and Simulation of Nonlinear Drill-String Dynamics
(The American Society of Mechanical Engineers (ASME), 2021)In this article, we present a dynamic model for a generic drill-string. The model is developed with the intention for component-based simulation with coupling to external subsystems. The performance of the drill-string is ... -
An Enhanced Failure Mode Effect Analysis-Based Risk Assessment for Subsea Compressor Systems
(The American Society of Mechanical Engineers (ASME), 2021)An enhanced failure mode effect analysis (FMEA) based risk assessment for subsea compressor systems was proposed in this study. The enhanced model was established using a combination of fuzzy analytic hierarchy process ...