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Comparison of Three Types of Dynamic Boundary Conditions

[+] Author Affiliations
Rachel B. Clipp, Brooke N. Steele

North Carolina State University, Raleigh, NCUniversity of North Carolina at Chapel Hill, Chapel Hill, NC

Paper No. SBC2009-204931, pp. 955-956; 2 pages
  • ASME 2009 Summer Bioengineering Conference
  • ASME 2009 Summer Bioengineering Conference, Parts A and B
  • Lake Tahoe, California, USA, June 17–21, 2009
  • Conference Sponsors: Bioengineering Division
  • ISBN: 978-0-7918-4891-3
  • Copyright © 2009 by ASME


Computational models can be used to predict the blood pressure and blood flow in a region of interest within the vascular system. A computational model includes a region of interest geometry and boundary conditions. The outlet boundary conditions not only need to reflect the downstream network of vessels, but also the dynamic nature of the downstream network. An example of this is the pulmonary vasculature, which has arterioles that dilate and constrict during the respiratory process altering the resistance/impedance of the downstream network [1]. In order to accurately model a system with a dynamic change, such as the pulmonary system, a dynamic boundary condition should be utilized.

Copyright © 2009 by ASME



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