Biomechanical study of the constitutive laws of vascular walls - In this study, the static mechanical behaviors of three different arterial walls are examined through the change in external radius due to distending pressure

K. Hayashi, Masaaki Sato, H. Handa, K. Moritake

研究成果: Article査読

61 被引用数 (Scopus)

抄録

Static mechanical behaviors of three different arterial walls were examined through changes in external radius due to distending pressure. In order to examine the distensibility of these vessels, distension ratio was defined as the ratio of eternal radius at each pressure to that at zero pressure. Linear relations were observed between the logarithmic pressure and the distension ration, and they were described by on exponential function. Two parameters used in this equation were related quantitatively to the area fraction of elastin or collagen component occupied in the cross section of wall. Stress-strain relation was then determined from their pressure-diameter data by using finite-deformation theory. An exponential function was established between tangential stress and tangenital strain. These results can be used to study the resistance of arterial walls to cardio-vascular disease.

本文言語English
ページ(範囲)440-444
ページ数5
ジャーナルExperimental Mechanics
14
11
DOI
出版ステータスPublished - 1974 11 1

ASJC Scopus subject areas

  • Aerospace Engineering
  • Mechanics of Materials
  • Mechanical Engineering

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