Method: 3-d finite element modeling was computed and analyzed.

方法：采用三维有限元法建立模型并计算、分析。

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Using the iterative solution technique, the matrix equation system in the 3-d finite element modeling of nondestructive probe signals can easily be solved.

而应用迭代解技术，可以加速无损探头信号有限元模拟的矩阵方程求解。

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Then, it introduced the approach to evaluate footwear with finite element method, and the process of the reconstruction of the 3-d finite element Modeling of human foot - skeleton based on ct images.

然后介绍了通过有限元法评价足部用品的原理，以及根据CT图像建立三维足部骨骼有限元模型的过程。

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