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为了简化常规位移有限元方法预测高强度不连续拉伸时所带来的问题,作者提出了一种新的有限元方法,该方法采取在生物材料表面点施加正常和连续切向应力。选择的元素共五个节点,位于等边四边形四顶点和位于四顶点构成边界表面上的一点。作者进行了一系列实验用来验证由新元素在十分不同的材料交面得到的应力分布的正确性。实验
In order to simplify the conventional finite element method to predict the problems caused by high-strength discontinuous tension, the authors propose a new finite element method that applies normal and continuous tangential stress to the surface of the biomaterial. The selected element has a total of five nodes located at the four vertices of the equilateral quadrilateral and a point located on the boundary surface of the four vertices. The authors conducted a series of experiments to verify the correctness of the stress distribution obtained by the new element in a very different material interface. experiment