Pseudo-organ boundary conditions applied to a computational fluid dynamics model of the human aorta

Joong Yull Park, Chan Young Park, Chang Mo Hwang, Kyung Sun, Byoung Goo Min

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

In three-dimensional numerical studies of the aorta, it is difficult to apply proper boundary conditions at the end of each major aortic branch because of interactions between blood and organs. Organs and body parts were assumed to be likened to cylindrically shaped porous media, so-called pseudo-organs, and treated in the computational domain as forms of hemodynamic resistance. Permeability functions were determined from two-dimensional axisymmetric computations of each aortic branch and these functions were then used in an unsteady three-dimensional simulation of the complete aorta. Substantially accurate cardiac output (5.91 L/min) and blood distributions to the major branches were predicted.

Original languageEnglish
Pages (from-to)1063-1072
Number of pages10
JournalComputers in Biology and Medicine
Volume37
Issue number8
DOIs
Publication statusPublished - 2007 Aug

Keywords

  • Aorta
  • Blood interaction
  • Hemodynamic resistance
  • Numerical analysis
  • Porous media

ASJC Scopus subject areas

  • Computer Science Applications
  • Health Informatics

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