IDMEC - Instituto Superior Técnico, Universidade de Lisboa, Lisboa, Portugal.
CMEMs, Department of Mechanical Engineering, Universidade do Minho, Guimarães, Portugal.
Comput Methods Biomech Biomed Engin. 2021 Apr;24(5):538-550. doi: 10.1080/10255842.2020.1839059. Epub 2020 Oct 28.
This work deals with the finite element (FE) implementation of a biphasic poroelastic formulation specifically developed to address the intricate behaviour of the Intervertebral Disc (IVD) and other highly hydrated soft tissues. This formulation is implemented in custom FE solver V-Biomech, being the validation performed with a lumbar IVD model, which was compared against the analogous FE model of Williams et al. and the experiments of Tyrrell et al. Good agreement with these benchmarks was achieved, meaning that V-Biomech and its novel poroelastic formulation are a viable alternative for simulation of biphasic soft tissues.
本工作涉及一种双相渗透弹性公式的有限元(FE)实现,该公式专门用于解决椎间盘(IVD)和其他高度水合软组织的复杂行为。该公式在定制的 FE 求解器 V-Biomech 中实现,验证是使用腰椎 IVD 模型进行的,该模型与 Williams 等人的类似 FE 模型和 Tyrrell 等人的实验进行了比较。与这些基准的良好一致性意味着 V-Biomech 及其新型渗透弹性公式是模拟双相软组织的可行替代方案。
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