STRAIN-ENERGY DENSITY-FUNCTION AND UNIFORM STRAIN HYPOTHESIS FOR ARTERIAL MECHANICS
STRAIN-ENERGY DENSITY-FUNCTION AND UNIFORM STRAIN HYPOTHESIS FOR ARTERIAL MECHANICS
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DOI：
10.1016/0021-9290(87)90262-4
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发表时间：
1987-01-01
影响因子：
2.4
通讯作者：
HAYASHI, K
中科院分区：
文献类型：
--
作者：
TAKAMIZAWA, K;HAYASHI, K
在均匀应变假设的基础上分析了犬颈动脉壁厚度的应力分布，在生理载荷条件下，壁周向应变在壁横截面上是恒定的。提出了一种新的对数型应变能密度函数来描述墙体的性能。与其他研究相比，该假设给出了生理条件下壁面应力的几乎均匀分布以及去除所有外力时的非零残余应力。
Stress distribution through the wall thickness of the canine carotid artery was analyzed on the basis of the uniform strain hypothesis in which the wall circumferential strain was assumed to be constant over the wall cross-section under physiological loading condition. A newly proposed logarithmic type of strain energy density function was used to describe the wall properties. In contrast with other studies, this hypothesis gave almost uniform distribution of wall stresses under the physiological condition and non-zero residual stresses when all external forces were removed.