Three-Dimensional Lattice Continuum Model of Cancellous Bone for Structural and Remodeling Simulation

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概要

• 論文の詳細を見る

• In this article, we discuss a mechanical model for structural and remodeling analysis / simulation of cancellous bone, that takes into account tissue microstructure and residual stress. A three-dimensional lattice continuum is used as a structural model of cancellous bone with trabecular architecture, and its mechanical behavior is investigated concerning the dependence of structural parameters on the apparent mechanical properties of the tissue. Assuming the local uniform stress state to be an optimal stress state realized at the remodeling equilibrium, a remodeling rate equation is proposed to express the stress regulation process at the microstructural level for the three-dimensional lattice continuum. In terms of the lattice continuum, a vertebral body is modeled based on quantitative measurements of the trabecular architecture of the cancellous bone, and a remodeling simulation is conducted under the conditions of repetitive bending with compression. By comparison of the obtained distributions of the residual stress and the volume fraction with the experimental observations, the validity of the proposed model in predicting the adaptive remodeling of cancellous bone using a three-dimensional lattice continuum is demonstrated.

• 一般社団法人日本機械学会の論文
• 1999-09-15

著者

• Adachi Taiji

  Department Of Mechanical Engineering And Science Kyoto University:computational Cell Biomechanics Te

• TANAKA Masao

  Division of Hematology and Immunology, Department of Internal Medicine, Kanazawa Medical University

• Tomita Yoshihiro

  Department Of Mechanical Engineering Faculty Of Engineering Kobe University

• Adachi Taiji

  Department Of Mechanical Engineering And Science Kyoto University

• Tomita Y

  Hokkaido Univ. Education Hakodate Jpn

• Tanaka M

  Division Of Mechanical Science Department Of Systems And Human Science Graduate School Of Engineerin

• Tomita Y

  Department Of Mechanical Engineering Faculty Of Engineering Kobe University

• Tanaka Masao

  Division Of Hematology And Immunology Department Of Internal Medicine Kanazawa Medical University

• Adachi Taiji

  Department Of Mechanical Engineering And Science Graduate School Of Engineering Kyoto University

• Adachi Taiji

  Department of Biomechanics, Institute for Frontier Medical Sciences, Kyoto University:Department of Microengineering, Kyoto University

• Tanaka Masao

  Division of Applied Chemistry, Faculty of Technology, Kanagawa University

• TOMITA Yoshihiro

  Department of Mechanical and Systems Engineering, Graduate School of Science and Technology, Kobe University

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• Preface
• Simulation Study on Local and Integral Mechanical Quantities at Single Trabecular Level as Candidates of Remodeling Stimuli

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