𝔖 Bobbio Scriptorium
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Cohesive modeling of bone fracture at multiple scales

✍ Scribed by Ani Ural

Book ID
104090004
Publisher
Elsevier
Year
2011
Tongue
English
Weight
298 KB
Volume
10
Category
Article
ISSN
1877-7058

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✦ Synopsis

Bone is a hierarchical material that involves fracture mechanisms at multiple scales ranging from nano-to macroscale. The fracture behavior of bone is altered by aging, diseases or therapeutic treatments, therefore, robust predictive methods are necessary to evaluate the changes affecting the fracture risk of bone. Although cohesive modeling has been widely used in various engineering disciplines, it has recently been applied to bone fracture. In this paper, the application of cohesive modeling to the assessment of macro-and microscale fracture mechanisms in bone is presented. The macroscale simulations focus on predicting the fracture risk at the whole bone level whereas the microscale simulations evaluate the influence of microstructural features on crack propagation behavior in bone. These studies demonstrate the strength of cohesive modeling in providing insight into bone's fracture behavior.

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## Abstract The energy absorbed in the impact fracture of bovine metatarsal and metacarpal bone was shown to depend on the aspect from which the inpact specimen was obtained. In a majority of cases caudad specimens were more than an order of magnitude tougher than cephalad specimens and the fractur