Modeling of short-term mechanism of arterial pressure control in the cardiovascular system: Object-oriented and acausal approach

Abstract This letter introduces an alternative approach to modeling the cardiovascular system with a short-term control mechanism published in Computers in Biology and Medicine, Vol. 47 (2014), pp. 104–112. We recommend using abstract components on a distinct physical level, separating the model int...

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Bibliographic Details
Published in:Computers in biology and medicine 2014-11, Vol.54, p.137-144
Main Authors: Kulhánek, Tomáš, Kofránek, Jiří, Mateják, Marek
Format: Article
Language:English
Subjects:
Acausal modeling
Arterial Pressure - physiology
Cardiovascular system
Circulatory system
Computer Simulation
Connectors
Decomposition
DYMOLA modeling environment
Heart
Heart rate
Humans
Hydraulics
Internal Medicine
Libraries
MODELICA programming language
Models, Cardiovascular
OPENMODELICA modeling environment
Other
Variables
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Summary:Abstract This letter introduces an alternative approach to modeling the cardiovascular system with a short-term control mechanism published in Computers in Biology and Medicine, Vol. 47 (2014), pp. 104–112. We recommend using abstract components on a distinct physical level, separating the model into hydraulic components, subsystems of the cardiovascular system and individual subsystems of the control mechanism and scenario. We recommend utilizing an acausal modeling feature of Modelica language, which allows model variables to be expressed declaratively. Furthermore, the Modelica tool identifies which are the dependent and independent variables upon compilation. An example of our approach is introduced on several elementary components representing the hydraulic resistance to fluid flow and the elastic response of the vessel, among others. The introduced model implementation can be more reusable and understandable for the general scientific community.
ISSN:0010-4825
1879-0534
DOI:10.1016/j.compbiomed.2014.08.025