Abstract
This chapter describes a rate equation of trabecular surface remodeling and its two-dimensional computer simulation to investigate changes in trabecular structure due to bone remodeling toward uniform local stress state. Nonuniformity in the local stress distribution on the trabecular surface is assumed to be the driving force of the remodeling. The trabecular structure is computationally modeled with an assemblage of pixel finite elements, and their morphological changes are simulated by removal/addition of the elements from/to the trabecular surface. The basic features of the proposed rate equation are investigated through remodeling simulations for trabecular-level and cancellous-bone-level structures. Simulated changes in the trabecular structure, represented by orientation, thickness, and connectivity, demonstrate the capability of the proposed rate equation to computationally predict the mechanical adaptation of the cancellous bone structure.
This Chapter was adapted from Adachi et al. (1997) with permission from The Japan Society of Mechanical Engineers.
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Kameo, Y., Tsubota, Ki., Adachi, T. (2018). Trabecular Surface Remodeling Toward Uniform Local Stress State. In: Bone Adaptation. Frontiers of Biomechanics, vol 2. Springer, Tokyo. https://doi.org/10.1007/978-4-431-56514-7_8
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