Kinetic scheme for arterial and venous blood flow, and application to partial hepatectomy modeling

Chloe Audebert*, Petru Bucur, Mohamed Bekheit, Eric Vibert, Irene E. Vignon-Clementel, Jean Frédéric Gerbeau

*Corresponding author for this work

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

The article introduces a kinetic scheme to solve the 1D Euler equations of hemodynamics, and presents comparisons of a closed-loop 1D–0D model with real measurements obtained after the hepatectomy of four pigs. Several benchmark tests show that the kinetic scheme compares well with more standard schemes used in the literature, for both arterial and venous wall laws. In particular, it is shown that it has a good behavior when the section area of a vessel is close to zero, which is an important property for collapsible or clamped vessels. The application to liver surgery shows that a model of the global circulation, including 0D and 1D equations, is able to reproduce the change of waveforms observed after different levels of hepatectomy. This may contribute to a better understanding of the change of liver architecture induced by hepatectomy.

Original languageEnglish
Pages (from-to)102-125
Number of pages24
JournalComputer Methods in Applied Mechanics and Engineering
Volume314
Early online date22 Jul 2016
DOIs
Publication statusPublished - Feb 2017

Fingerprint

blood flow
liver
Liver
vessels
Blood
hemodynamics
Kinetics
swine
Euler equations
kinetics
Hemodynamics
surgery
Surgery
waveforms

Keywords

  • Arterial flow
  • Kinetic scheme
  • Surgery simulation
  • Venous flow
  • Vessel collapse

ASJC Scopus subject areas

  • Computational Mechanics
  • Mechanics of Materials
  • Mechanical Engineering
  • Physics and Astronomy(all)
  • Computer Science Applications

Cite this

Kinetic scheme for arterial and venous blood flow, and application to partial hepatectomy modeling. / Audebert, Chloe; Bucur, Petru; Bekheit, Mohamed; Vibert, Eric; Vignon-Clementel, Irene E.; Gerbeau, Jean Frédéric.

In: Computer Methods in Applied Mechanics and Engineering, Vol. 314, 02.2017, p. 102-125.

Research output: Contribution to journalArticle

Audebert, Chloe ; Bucur, Petru ; Bekheit, Mohamed ; Vibert, Eric ; Vignon-Clementel, Irene E. ; Gerbeau, Jean Frédéric. / Kinetic scheme for arterial and venous blood flow, and application to partial hepatectomy modeling. In: Computer Methods in Applied Mechanics and Engineering. 2017 ; Vol. 314. pp. 102-125.
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