کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
799349 903452 2009 9 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Variational homogenization for modeling fibrillar structures in bone
موضوعات مرتبط
مهندسی و علوم پایه سایر رشته های مهندسی مهندسی مکانیک
پیش نمایش صفحه اول مقاله
Variational homogenization for modeling fibrillar structures in bone
چکیده انگلیسی

Exceptional mechanical properties of bones are not only the result of the amount and type of the micro-constituents, but also of their morphological organization at the different lower scales. At the scale of several micrometers, bone tissue is formed by mineralized collagen fibrils embedded in an extrafibrillar mineral-rich matrix. Basic components of bone fibrils are collagen, mineral and water. We present in this paper a mechanical model for the mineralized collagen fibril. This model is set up in the framework of a multiscale description, based on the characterization of the basic components and of their interaction. Overall properties are obtained through a variational homogenization technique. Numerical simulations, performed by a specifically designed computer code, show the dependency of the axial elastic modulus of the fibril versus the mineral volume fraction.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Mechanics Research Communications - Volume 36, Issue 2, March 2009, Pages 265–273
نویسندگان
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