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首页> 外文期刊>Journal of Biomechanics >A method to increase the sensitive range of pressure sensitive film.
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A method to increase the sensitive range of pressure sensitive film.

机译：一种增加压敏膜的敏感范围的方法。

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摘要

Pressure-sensitive film is frequently used in biomechanics to document intra- and extra-articular contact pressures. This often involves the contact of two surfaces of varying curvature producing non-uniform pressure distributions. The purpose of this study was to determine the feasibility of using multiple films in such experiments to yield accurate pressure and contact area data. A composite arrangement of film was dynamically loaded using cylindrical indenters of five radii. An analytical model of each indentation was constructed to provide a standard for error analysis. The study showed that several ranges of pressure sensitive film can be used simultaneously to accurately transduce contact pressures arising from loading scenarios that produce contact pressure gradients and contact pressures that involve suprathreshold loading of a given film range.
机译：压敏膜常用于生物力学中，以记录关节内和关节外的接触压力。这通常涉及曲率变化的两个表面的接触，从而产生不均匀的压力分布。这项研究的目的是确定在此类实验中使用多层膜以产生准确的压力和接触面积数据的可行性。使用五个半径的圆柱压头动态加载了薄膜的复合结构。构建每个压痕的分析模型以提供错误分析的标准。研究表明，可以同时使用几个范围的压敏薄膜范围，以准确地转换由负载情况产生的接触压力，这些负载情况会产生给定薄膜范围的超临界负载的接触压力梯度和接触压力。

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