A failure model for ligaments
A failure model for ligaments
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DOI：
10.1016/s0021-9290(98)00169-9
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发表时间：
1999-02-01
影响因子：
2.4
通讯作者：
Belkoff, SM
中科院分区：
文献类型：
--
作者：
Liao, HY;Belkoff, SM
我们提出了一个韧带的破坏模型，该模型假设胶原纤维的连续解卷和拉伸是导致韧带的力学反应的原因。我们进一步假设纤维以一种脆性的、应变受限的方式顺序断裂。该模型与两个年龄组(4个月和7个月)新西兰大白兔内侧副韧带的应力-应变曲线相吻合。该模型表明，胶原模量值在300~680 Mpa之间，纤维断裂应变在6~22%之间。该模型提供了一种使用四个基于结构的参数来描述韧带的弹性和失效响应的方便方法。(C)1999爱思唯尔科学有限公司。保留所有权利。
We propose a failure model for ligament which assumes that sequential uncrimping and stretching of collagen fibers is responsible for the mechanical response of ligament. We further assume that the fibers rupture sequentially and in a brittle, strain-limited manner. The model was fit to stress-strain curves obtained from medial collateral ligaments of New Zealand White rabbits from two age groups (4 and 7 months). The model indicated that collagen modulus values ranged from 300 to 680 MPa and that fiber failure strains ranged from 6 to 22%. The model provides a convenient means of describing the elastic and failure response of ligament using four structurally based parameters. (C) 1999 Elsevier Science Ltd. All rights reserved.