About: Krylov Model Order Reduction of a Thermal Subsea Model

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	A subsea hydrocarbon production system can undergo planned and unplanned shutdowns during the life of the field. The thermal FEA is used to simulate the cool down to verify the insulation design of the subsea equipment, but it is also used to derive an acceptable insulation design for the cold spots. The driving factors of subsea analyses require fast responding and accurate models of the equipment cool down. This paper presents cool down analysis carried out by a Krylov subspace reduction method, and compares this approach to the commonly used FEA solvers. The model considered represents a typical component of a subsea production system, a closed valve on a dead leg. The results from the Krylov reduction method exhibits the least error and requires the shortest computational time to reach the solution. These findings make the Krylov model order reduction method very suitable for the above mentioned subsea applications. A subsea hydrocarbon production system can undergo planned and unplanned shutdowns during the life of the field. The thermal FEA is used to simulate the cool down to verify the insulation design of the subsea equipment, but it is also used to derive an acceptable insulation design for the cold spots. The driving factors of subsea analyses require fast responding and accurate models of the equipment cool down. This paper presents cool down analysis carried out by a Krylov subspace reduction method, and compares this approach to the commonly used FEA solvers. The model considered represents a typical component of a subsea production system, a closed valve on a dead leg. The results from the Krylov reduction method exhibits the least error and requires the shortest computational time to reach the solution. These findings make the Krylov model order reduction method very suitable for the above mentioned subsea applications. (en)
Title	Krylov Model Order Reduction of a Thermal Subsea Model Krylov Model Order Reduction of a Thermal Subsea Model (en)
skos:prefLabel	Krylov Model Order Reduction of a Thermal Subsea Model Krylov Model Order Reduction of a Thermal Subsea Model (en)
skos:notation	RIV/68407700:21220/13:00226087!RIV15-MSM-21220___
http://linked.open...avai/riv/aktivita	I
http://linked.open...avai/riv/aktivity	I
http://linked.open...iv/cisloPeriodika	77
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Šindler, Jaroslav
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	České vysoké učení technické v Praze / Fakulta strojní
http://linked.open...dnocenehoVysledku	83827
http://linked.open...ai/riv/idVysledku	RIV/68407700:21220/13:00226087
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Model order reduction; Krylov subspace; subsea production system; finite element (en)
http://linked.open.../riv/klicoveSlovo	finite element subsea production system Model order reduction Krylov subspace
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[DBC09076C7BE]
http://linked.open...i/riv/nazevZdroje	World Academy of Science, engineering and Technology
http://linked.open...in/vavai/riv/obor	JQ
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...UplatneniVysledku	2013
http://linked.open...iv/tvurceVysledku	Bárta, P. Šindler, Jaroslav Olsen Jelstad, T. Suleng, A.
issn	2010-376X
number of pages	8 (xsd:int)
http://localhost/t...ganizacniJednotka	21220

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