使用有限元素方法方法解释W塑性疗法的生物力学解释
Marios Papadakis1, Georgios Manios2, Georgios Zacharopoulos3
1Department of Surgery II, University of Witten-Herdecke, Heusnerstr. 40, 42283, Wuppertal, Germany. marios_papadakis@yahoo.gr.
Scientific reports
|October 23, 2023
概括
的W-整形手术技术手术技术.
科学领域:
- 整形外科 整形外科 整形外科
- 生物机械工程 生物机械工程
- 计算力学 计算力学 计算力学
背景情况:
- 有限元法 (FEM) 对于分析局部片至关重要,考虑到复杂的皮肤特性对变形和应力.
- 形手术是一种用于整形手术的手术技术,但其成功的生物力学原因尚未完全理解.
研究的目的:
- 通过使用二维 (2D) 有限元素皮肤模型,研究W塑性疗效的生物力学基础.
- 为了证明W型整形的几何形状,而不仅仅是痕方向,通过减少压力,有助于获得有利的结果.
主要方法:
- 一个同位素的2D有限元素皮肤模型被开发来模拟W-plasty.
- 该模型分析了平面应力问题,模拟了不同角度的W-塑料的加载和接.
- 使用线建模了接,并在三角板和周围元素中分析了应力分布 (X,Y和剪切).
主要成果:
- 与相邻区域相比,W-plasty的三角板内的元素表现出明显较低的应力水平.
- 沿着模拟的断裂线的元素的应力比在它的后面更低.
- 模型中的最大压力应力位于"狗耳"区域.
结论:
- W-plasty的几何设计,特别是三角,在减轻压力方面发挥着重要作用,有助于其有效性.
- W-plasty的成功归因于痕方向相对于放松的张力线及其独特的板几何形状.
- 临床医生应该考虑W-plasty设计的生物力学优势在板规划.
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