Cristin-resultat-ID: 906294
Sist endret: 18. november 2013 12:57
NVI-rapporteringsår: 2012
Resultat
Vitenskapelig artikkel
2012

A new coupled fluid-structure modeling methodology for running ductile fracture

Bidragsytere:
  • Håkon Ottar Nordhagen
  • Steinar Kragset
  • Torodd Berstad
  • Alexandre Morin
  • Cato Dørum og
  • Svend Tollak Munkejord

Tidsskrift

Computers & structures
ISSN 0045-7949
e-ISSN 1879-2243
NVI-nivå 2

Om resultatet

Vitenskapelig artikkel
Publiseringsår: 2012
Volum: 94-95
Sider: 13 - 21

Importkilder

Isi-ID: 000301318000002

Beskrivelse Beskrivelse

Tittel

A new coupled fluid-structure modeling methodology for running ductile fracture

Sammendrag

A coupled fluid–structure modeling methodology for running ductile fracture in pressurized pipelines has been developed. The pipe material and fracture propagation have been modeled using the finite-element method with a ductile fracture criterion. The finite-volume method has been employed to simulate the fluid flow inside the pipe, and the resulting pressure profile was applied as a load in the finite-element model. Choked-flow theory was used for calculating the flow through the pipe crack. A comparison to full-scale tests of running ductile fracture in steel pipelines pressurized with hydrogen and with methane has been done, and very promising results have been obtained. Highlights ► Development of coupled fluid–structure modeling methodology for running ductile fracture. ► Fracture propagation has been modeled using the finite-element method. ► The finite-volume method has been employed to simulate the fluid flow inside the pipe. ► Choked-flow theory was used for calculating the flow through the pipe crack. ► A comparison to full-scale tests has been done, giving very promising results. Copyright © 2012 Elsevier Ltd. All rights reserved.

Bidragsytere

Håkon Ottar Nordhagen

  • Tilknyttet:
    Forfatter
    ved Materialer og nanoteknologi ved SINTEF AS

Steinar Kragset

  • Tilknyttet:
    Forfatter
    ved Energiprosesser ved SINTEF Energi AS

Torodd Berstad

  • Tilknyttet:
    Forfatter
    ved Materialer og nanoteknologi ved SINTEF AS

Alexandre Morin

  • Tilknyttet:
    Forfatter
    ved Institutt for energi- og prosessteknikk ved Norges teknisk-naturvitenskapelige universitet

Cato Dørum

  • Tilknyttet:
    Forfatter
    ved Metallproduksjon og prosessering ved SINTEF AS
1 - 5 av 6 | Neste | Siste »