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Statements

Subject Item
n2:RIV%2F68407700%3A21220%2F13%3A00226087%21RIV15-MSM-21220___
rdf:type
n8:Vysledek skos:Concept
dcterms: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.
dcterms:title
Krylov Model Order Reduction of a Thermal Subsea Model Krylov Model Order Reduction of a Thermal Subsea Model
skos:prefLabel
Krylov Model Order Reduction of a Thermal Subsea Model Krylov Model Order Reduction of a Thermal Subsea Model
skos:notation
RIV/68407700:21220/13:00226087!RIV15-MSM-21220___
n3:aktivita
n16:I
n3:aktivity
I
n3:cisloPeriodika
77
n3:dodaniDat
n12:2015
n3:domaciTvurceVysledku
n5:2226324
n3:druhVysledku
n4:J
n3:duvernostUdaju
n10:S
n3:entitaPredkladatele
n17:predkladatel
n3:idSjednocenehoVysledku
83827
n3:idVysledku
RIV/68407700:21220/13:00226087
n3:jazykVysledku
n15:eng
n3:klicovaSlova
Model order reduction; Krylov subspace; subsea production system; finite element
n3:klicoveSlovo
n6:finite%20element n6:Krylov%20subspace n6:Model%20order%20reduction n6:subsea%20production%20system
n3:kodStatuVydavatele
US - Spojené státy americké
n3:kontrolniKodProRIV
[DBC09076C7BE]
n3:nazevZdroje
World Academy of Science, engineering and Technology
n3:obor
n9:JQ
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
4
n3:rokUplatneniVysledku
n12:2013
n3:tvurceVysledku
Olsen Jelstad, T. Bárta, P. Suleng, A. Šindler, Jaroslav
s:issn
2010-376X
s:numberOfPages
8
n11:organizacniJednotka
21220