PRELIMINARY-STUDY ON MECHANICAL BONE REMODELING PERMITTING RESIDUAL-STRESS

被引:10
作者
TANAKA, M [1 ]
ADACHI, T [1 ]
机构
[1] KOBE UNIV,FAC ENGN,DEPT MECH ENGN,NADA KU,KOBE 657,JAPAN
来源
JSME INTERNATIONAL JOURNAL SERIES A-MECHANICS AND MATERIAL ENGINEERING | 1994年 / 37卷 / 01期
关键词
BIOMECHANICS; RESIDUAL STRESS; BONE REMODELING; BONE; ADAPTATION; TISSUE ENGINEERING; BIOLOGICAL ENGINEERING; COMPUTATIONAL MECHANICS;
D O I
10.1299/jsmea1993.37.1_87
中图分类号
TH [机械、仪表工业];
学科分类号
0802 ;
摘要
Remodeling is a critical feature of living tissue such as bone. From the mechanical viewpoint, remodeling is recognized as a regulation process of stress due to tissue growth and atrophy. The volumetric change of the bone tissue causes a nonuniform natural state. Because of the statical indeterminacy, residual stress may remain in the tissue even when all external forces are removed. Permitting the existence of the residual stress, a rate-type model is proposed for mechanical bone remodeling by means of volumetric growth/atrophy of the tissue. The rate of remodeling is expressed as a function of the local stress and its derivatives, seeking the equistress state. This does not refer to any goal stress specified a priori. The basic features of the proposed model are examined using a simple model of the diaphysial bone. A case study is conducted for a simplified tibia-fibula system, and it is demonstrated that the proposed model has the capability to describe the bone remodeling process qualitatively.
引用
收藏
页码:87 / 95
页数:9
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