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The liver has a unique blood supply system and plays an important role in thehuman blood circulatory system. Thus, hemodynamic problems related to the liverserve as an important part in clinical diagnosis and treatment. Althoughestimating parameters in these hemodynamic models is essential to the study ofliver models, due to the limitations of medical measurement methods andconstraints of ethics on clinical studies, it is impossible to directly measurethe parameters of blood vessels in livers. Furthermore, as an important part ofthe systemic blood circulation, livers' studies are supposed to be inconjunction with other blood vessels. In this article, we present an innovativemethod to fix parameters of an individual liver in a human blood circulationusing non-invasive clinical measurements. The method consists of a 1-D bloodflow model of human arteries and veins, a 0-D model reflecting the peripheralresistance of capillaries and a lumped parameter circuit model for humanlivers. We apply the finite element method in fluid mechanics of these modelsto a numerical study, based on non-invasive blood related measures of 33individuals. The estimated results of human blood vessel characteristic andliver model parameters are verified from the perspective of Stroke ValueVariation, which shows the effectiveness of our estimation method.

A Data Analysis Study on Human Liver Blood Circulation