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Abstract-Objective: To analyze the biomechanical influences on cervical vertebra after the removal of nucleus going with the cervical disc degradation, and to inspect the immediate stability and bone fusion rate with artificial double Cage fusion setting into intervertebral disc.Methods: to establish precisely with CAE method four finite element models as followed: C3-6 normal height disc model, C4-5...
In this paper, combined with FE method and optimization theory, a strain energy criterion is used to simulate and predict the bone remodeling. The strain energy density is taken as the mechanical stimulus. The bone remodeling is described as changing of the material distribution, which can represent the process of bone remodeling. Though remodeling simulation of a two-dimensional proximal femur, a...
Frozen soil is multi-phrase compound material which contains many holes and defects, and its fracture failure process has the same nonlinear characteristic as rock and concrete. This paper presented a cementation stress crack model for automatic simulation of discrete crack propagation in frozen soil. The discrete crack was modeled on the basis of the cementation stress crack concept using nonlinear...
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