About: Computational Assesment of Remaining Load Carrying Capacity of Pipes with Areal Surface Defects

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	This paper reports on two criteria for burst pressure prediction of pipe with the areal surface defect. The criteria deal with defects in internally pressured pipes without significant global bending loads. On the basis of the experimental analysis relatively simple methodologies of prediction were designed. They are based on finite element (FE) analysis. Concept of presented methodologies is based on similarity of stress, strain and material state when plastic collapse starts in the defect domain. The similarity is expressed in terms of simple one-parametric criteria: (i) geometry and topology of the domain at which the plastic state of material is reached, (ii) amount of specific energy dissipated by plastic deformation in the regions, where the ratio of energy dissipated by plastic deformation compared to elastic stress energy is too high. Calibration of these methodologies is based on burst tests of DN800 pipes made of X60 steel with artificial defects. This paper reports on two criteria for burst pressure prediction of pipe with the areal surface defect. The criteria deal with defects in internally pressured pipes without significant global bending loads. On the basis of the experimental analysis relatively simple methodologies of prediction were designed. They are based on finite element (FE) analysis. Concept of presented methodologies is based on similarity of stress, strain and material state when plastic collapse starts in the defect domain. The similarity is expressed in terms of simple one-parametric criteria: (i) geometry and topology of the domain at which the plastic state of material is reached, (ii) amount of specific energy dissipated by plastic deformation in the regions, where the ratio of energy dissipated by plastic deformation compared to elastic stress energy is too high. Calibration of these methodologies is based on burst tests of DN800 pipes made of X60 steel with artificial defects. (en)
Title	Computational Assesment of Remaining Load Carrying Capacity of Pipes with Areal Surface Defects Computational Assesment of Remaining Load Carrying Capacity of Pipes with Areal Surface Defects (en)
skos:prefLabel	Computational Assesment of Remaining Load Carrying Capacity of Pipes with Areal Surface Defects Computational Assesment of Remaining Load Carrying Capacity of Pipes with Areal Surface Defects (en)
skos:notation	RIV/68407700:21220/09:00161489!RIV10-MPO-21220___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(FR-TI1/458)
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Růžička, Milan Španiel, Miroslav Novotný, Ctirad
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
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	307939
http://linked.open...ai/riv/idVysledku	RIV/68407700:21220/09:00161489
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	pipe; surface defect; burst pressure (en)
http://linked.open.../riv/klicoveSlovo	surface defect pipe burst pressure
http://linked.open...ontrolniKodProRIV	[006A90074361]
http://linked.open...v/mistoKonaniAkce	Praha
http://linked.open...i/riv/mistoVydani	New York
http://linked.open...i/riv/nazevZdroje	Proceedings of the ASME Pressure Vessels and Piping Conference
http://linked.open...in/vavai/riv/obor	JR
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	Steam Turbine Last Stage with High Efficiency and Flow Rate
http://linked.open...UplatneniVysledku	2009
http://linked.open...iv/tvurceVysledku	Růžička, Milan Španiel, Miroslav Novotný, Ctirad
http://linked.open...vavai/riv/typAkce	EUR - Evropská
http://linked.open.../riv/zahajeniAkce	2009-07-26 (xsd:date)
number of pages	6 (xsd:int)
http://purl.org/ne...btex#hasPublisher	American Society Of Mechanical Engineers - ASME
https://schema.org/isbn	978-0-7918-3854-9
http://localhost/t...ganizacniJednotka	21220

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