Computer modeling of the human systemic arterial tree

Snyder, M. F.; Rideout, V. C.; Hillestad, Richard

doi:10.1016/0021-9290(68)90029-8

Cited by 101 publications

(30 citation statements)

References 7 publications

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“…Conventional one-dimensional numerical simulation models can be classified into a linear distributed parameter model (Snyder et al, 1968;Avolio et al, 1980) and a nonlinear distributed parameter model (Anliker & Rockwall, 1971;Schaaf & Abbrecht, 1972;Porenta et al, 1986). The linear distributed parameter model has the feature that is easy to take in the influence of viscoelasticity and to conduct numerical analysis of the flow unsteadiness, since superposition of a periodic solution is possible; however, the influence of fluid nonlinearity cannot be disregarded.…”

Section: Numerical Analysis Of Intravascular Flowmentioning

confidence: 99%

Numerical Simulation Model with Viscoelasticity of Arterial Wall

Kitawaki¹

2012

Viscoelasticity - From Theory to Biological Applications

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Section: Numerical Analysis Of Intravascular Flowmentioning

confidence: 99%

Numerical Simulation Model with Viscoelasticity of Arterial Wall

Kitawaki¹

2012

Viscoelasticity - From Theory to Biological Applications

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“…Nach einer bekannten Formel (13) Es sei erw~hnt, dab in der uns bekannten Literatur bisher keine Modellkurven des Druck-und Strompulses des Karotissystems beschrieben sind. Das Karotissystem wurde zwar in manchen elektrischen Analogmodellen des Arteriensystems in mehr oder weniger detaillierter Weise berticksichtigt (8,9,10,12). Doch wurden Druck-und Strompulse dieser Modellsysteme der Karotis nicht publiziert, so dab eine Beurteilung der Eigenschaften dieser Modellabschnitte nicht mSglich ist.…”

Section: Mit 3 Abbildungen (Eingegangen Am 29 April 1977) ~Tnmclt~tjunclassified

Die Prinzipien der Entstehung der Druck- und Strompulsformen in der A. carotis communis des Menschen

et al. 1977

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In order to clarify the genesis of the characteristic pressure and flow pulse contours of the common carotid artery of man, at first transcutaneous pulse recordings were carried out on healthy resting subjects during breathing of room air and of a mixture of 95% O2 and 5% CO2 (Carbogen). The latter was used to cause vasodilation of the cerebral resistance vessels and thus reducing the peripheral reflection coefficient. Secondly pulse constructions were performed by means of a theoretical inhomogeneous tube model using a digital computer. A side branch of this model represented the carotid artery. The pressure pulse of the aortic arch of the model was used as generating pulse for the carotid system. A satisfactory simulation of the carotid pressure and flow pulse contours under normal conditions and during peripheral vasodilation requires an intermediate reflection (positive for antegrade waves) at a site near the middle of the total transmission time of the carotid model system. The adequacy of the model is demonstrated by comparison of the recorded and constructed pulses.

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“…Considerations of bandwidth of the segments in relation to the frequency content of the pressure and flow signals and the anatomical location of side branches have produced acceptable compromises [7,17,18]. Sims [19,20] followed this approach and used a tensegment model to describe the arterial system of a dog.…”

Section: Determination Of Model Form As a First Step In Parameter Esmentioning

confidence: 99%