Journal of Offshore Mechanics and Arctic Engineering: Recent submissions
Now showing items 821-840 of 2185
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A Simplified Method for Quantitative Reliability and Integrity Analysis of Steel Catenary Risers
(The American Society of Mechanical Engineers (ASME), 2016)Quantitative reliability and integrity analysis of steel catenary risers (SCRs) can provide important information about their safety and toward their costeffective and optimal design. SCRs are one of the commonly used riser ... -
Virtual Spring–Damping System for Flow Induced Motion Experiments
(The American Society of Mechanical Engineers (ASME), 2015)Flowinduced motion (FIM) experiments of a single circular cylinder or multiple cylinders in an array involve several configuration and hydrodynamic parameters, such as diameter, mass, damping, stiffness, spacing, Reynolds ... -
Linear Dynamic Stability Analysis of a Surface Piercing Plate Advancing at High Forward Speed
(The American Society of Mechanical Engineers (ASME), 2015)The dynamic stability of a surfacepiercing plate, advancing with high forward speed in the horizontal plane, is investigated in the scope of linear theory. The hydrodynamic forces on the plate in sway and yaw are presented ... -
Computational Modeling of Rolling Wave Energy Converters in a Viscous Fluid1
(The American Society of Mechanical Engineers (ASME), 2015)The performance of an asymmetrical rolling cam as an oceanwave energy extractor was studied experimentally and theoretically in the 70s. Previous inviscidfluid theory indicated that energyabsorbing efficiency could approach ... -
A Simplified Approach to Estimate the Probability of Otter Board Hooking at Pipelines
(The American Society of Mechanical Engineers (ASME), 2015)Hooking events, defined as trawling gear becoming firmly “stuck†under a pipeline, rarely occur during bottomtrawling operations. However, hooking events can have detrimental consequences. There is no existing method ... -
Comparison of Spar and Semisubmersible Floater Concepts of Offshore Wind Turbines Using Long Term Analysis
(The American Society of Mechanical Engineers (ASME), 2015)The longterm probability distributions of a spartype and a semisubmersibletype offshore floating wind turbine response are calculated for surge, heave, and pitch motions along with the sidetoside, fore–aft, and yaw tower ... -
Experimental Investigation on Dynamic Stiffness of Damaged Synthetic Fiber Ropes for Deepwater Moorings
(The American Society of Mechanical Engineers (ASME), 2015)To understand the evolution of dynamic stiffness of damaged synthetic fiber mooring ropes, experimental investigations of polyester and high modulus polyethylene (HMPE) ropes are systematically performed utilizing a specially ... -
Undamped Vibration of Laminated Fiber Reinforced Polymer Pipes in Water Hammer Conditions
(The American Society of Mechanical Engineers (ASME), 2015)A dynamic model for undamped, water hammerinduced, radial vibration of long, thinwalled, laminated, filament wound pipes is derived. The model is based on the interaction of the unsteady flow parameters with the anisotropic ... -
Fatigue Reliability Analysis for Brace–Column Connection Details in a Semisubmersible Hull1
(The American Society of Mechanical Engineers (ASME), 2015)Semisubmersible floating platforms used in offshore deep or ultradeep water environments have hull structures that are comprised of vertical cylinders (columns) connected by braces, pontoons, etc. Several of the connections ... -
Single Point Power Mooring Composite Cables for Wave Energy Converters
(The American Society of Mechanical Engineers (ASME), 2015)This paper presents the analysis and design of singlepoint powermooring cables applied to wave energy converters (WECs). A mooring cable design process is suggested, and effects of cable crosssectional layout, material ... -
Alternative Environmental Contours for Marine Structural Design—A Comparison Study1
(The American Society of Mechanical Engineers (ASME), 2015)A new approach to estimate environmental contours in the original physical space by direct Monte Carlo simulations rather than applying the Rosenblatt transformation has recently been proposed. In this paper, the new and ... -
Fatigue Analysis of a Point Absorber Wave Energy Converter Subjected to Passive and Reactive Control
(The American Society of Mechanical Engineers (ASME), 2015)This paper investigates the effect of a passive and reactive control mechanism on the accumulated fatigue damage of a wave energy converter (WEC). Interest is focused on four structural details of the Wavestar arm, which ... -
Response Analysis of a Nonstationary Lowering Operation for an Offshore Wind Turbine Monopile Substructure
(The American Society of Mechanical Engineers (ASME), 2015)This study addresses numerical modeling and timedomain simulations of the lowering operation for installation of an offshore wind turbine monopile (MP) with a diameter of 5.7 m and examines the nonstationary dynamic ... -
Simulation of Multiliquid Layer Sloshing With Vessel Motion by Using Moving Particle Semi Implicit Method
(The American Society of Mechanical Engineers (ASME), 2015)For oil/gas production/processing platforms, multiple liquid layers can exist and their respective sloshing motions can also affect operational effectiveness or platform performance. To numerically simulate those problems, ... -
Effects of Waves and Currents on Extreme Loads on a Jacket
(The American Society of Mechanical Engineers (ASME), 2015)In lack of simultaneous data of metocean parameters such as wind, waves, and currents, Norwegian design regulations presently recommend a conservative combination of metocean parameters for estimation of characteristic ... -
On the Crashworthiness of Steel Plated Structures in an Arctic Environment: An Experimental and Numerical Study
(The American Society of Mechanical Engineers (ASME), 2015)Structural crashworthiness with regard to crushing and fracture is a key element in the strength performance assessment of ship collisions in the Arctic. The aim of this study is to investigate the crashworthiness ... -
On the Scalability of Model Scale Ice Experiments
(The American Society of Mechanical Engineers (ASME), 2015)Ice model tests are a frequently used mean to assess and predict the performance of ships and structures in ice. The model ice composition is adjusted to comply with Froude and Cauchy similitude. Recent research indicates ... -
Influence of Striker Shape on the Crack Initiation and Propagation on Laterally Impacted Thin Aluminum Plates
(The American Society of Mechanical Engineers (ASME), 2015)Experimental and numerical results of drop weight impact tests are presented, examining the plastic response and the crack initiation and propagation of smallscale clamped rectangular aluminum plates laterally impacted by ... -
Effect of Initial Imperfections on the Strength of Restrained Plates
(The American Society of Mechanical Engineers (ASME), 2015)Most common studies on the strength of plates under compressive longitudinal loading are related to plates having unrestrained edges which lead to a zero net load in the transverse direction. In ships, the framing system ... -
Inversion of a Capsule Impacting Water: Flip by Resurge Jet
(The American Society of Mechanical Engineers (ASME), 2015)A scalemodel bluntcone capsule intended for ocean splashdown was projected into a water pool to evaluate impact loads and postimpact behavior. In a small region of the speed/angle parameter space, the capsule would ...