A Software Framework for Simulating Stationkeeping of a Vessel in Discontinuous Ice

Metrikin, Ivan

doi:10.4173/mic.2014.4.2

Cited by 24 publications

(27 citation statements)

References 17 publications

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“…The reader is referred to the article Metrikin (2014), in this MIC special issue on Arctic DP, for details on the numerical model.…”

Section: Numerical Simulation Of Floating Structures In Icementioning

confidence: 99%

The Arctic DP Research Project: Effective Stationkeeping in Ice

Skjetne¹,

Imsland²,

Løset³

2014

MIC

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Stress on the environment from a potentially growing energy use is set to rise. Without doubt the energy resources in Arctic regions will be developed. An important goal will be to exploit the resources offered by for instance the Barents Sea as a new European energy province, and to do this in accordance with the principles of sustainable development that have successfully been used e.g. in the North Sea.The special edition of MIC on Arctic DP presents a set of articles that summarize to an extent the activities of the research project "Arctic DP: Safe and green dynamic positioning operations of offshore vessels in an Arctic environment". This project was awarded in 2010 by the Research Council of Norway (RCN) as a competence-building project (KMB project) to NTNU and its partners Kongsberg Maritime, DNV GL, and Statoil. The objective was to target some of the challenges related to safe Arctic offshore operations by dynamic positioning. In this first article of the Arctic DP special edition we discuss the background for and establishment of the project, its planning and execution, and project closure. An overview is given for the scientific and engineering research performed in the project, with an account of what we have considered as Effective stationkeeping in ice by dynamic positioning. The corresponding research activities conducted under this main theme is summarized.

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“…The reader is referred to the article Metrikin (2014), in this MIC special issue on Arctic DP, for details on the numerical model.…”

Section: Numerical Simulation Of Floating Structures In Icementioning

confidence: 99%

The Arctic DP Research Project: Effective Stationkeeping in Ice

Skjetne¹,

Imsland²,

Løset³

2014

MIC

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“…This mainly affects the derivation of a control design model for managed ice. Numerical methods have shown promise as process models when simulating each individual ice floe as a body (see for instance and (Metrikin, 2014)). Therefore, the first problems treated in this paper are:…”

Section: Scopementioning

confidence: 99%

“…As the NIT is treated in-depth in (Metrikin, 2014), only a brief summary of its capabilities relevant for describing the closed-loop simulation platform is given. The NIT computes the vessel dynamics in 6 DOF without wind and waves, using a physics engine with tailored routines for handling the ice material properties.…”

Section: The Numerical Ice Tankmentioning

confidence: 99%

“…(Lubbad and Løset, 2011), (Metrikin et al, 2012b. As mentioned above, the numerical model described in (Metrikin, 2014) is applied as the process model for DP in managed ice. It is implemented as a fixed timestep model based on nonsmooth 6 degrees of freedom (DOF) multi-body dynamics with contacts, friction, and material properties.…”

Section: Process Model and Closed Loop Simulation Platformmentioning

confidence: 99%

“…Therefore, applying simulation models relieving laboratory experiments is considered highly beneficial. This paper presents a development platform for DP in ice which applies the numerical model presented in (Metrikin, 2014) and data from the European research project DYnamic Positioning In iCe (DYPIC). The latter was a 3 year initiative (2010)(2011)(2012) led by HSVA and financed by the national research agencies of Germany, France, and Norway.…”

Section: Introductionmentioning

confidence: 99%

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Modeling and Control for Dynamic Positioned Marine Vessels in Drifting Managed Sea Ice

Kjerstad¹,

Skjetne²

2014

MIC

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This paper presents a development framework for dynamic positioning control systems for marine vessels in managed ice. Due to the complexity of the vessel-ice and ice-ice interactions a configurable high fidelity numerical model simulating the vessel, the ice floes, the water, and the boundaries is applied. The numerical model is validated using experimental data and coupled with a control application incorporating sensor models, control systems, actuator models, and other external dynamics to form a closed loop development platform. The ice drift reversal is simulated by moving the positioning reference frame in an elliptic trajectory, rather than moving each individual ice floe. A control plant model is argued, and a control system for managed ice is proposed based on conventional open water design methods. A case study shows that dynamic positioning in managed ice is feasible for some moderate ice conditions.

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Numerical Simulation of Ice-Going Ships

Sawamura

2022

Encyclopedia of Ocean Engineering

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A Software Framework for Simulating Stationkeeping of a Vessel in Discontinuous Ice

Cited by 24 publications

References 17 publications

The Arctic DP Research Project: Effective Stationkeeping in Ice

The Arctic DP Research Project: Effective Stationkeeping in Ice

Modeling and Control for Dynamic Positioned Marine Vessels in Drifting Managed Sea Ice

Numerical Simulation of Ice-Going Ships

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