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首页> 外文期刊>American journal of applied sciences >Tactile Distinction of an Artery and a Tumor in a Soft Tissue by Finite Element Method | Science Publications
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Tactile Distinction of an Artery and a Tumor in a Soft Tissue by Finite Element Method | Science Publications

机译：有限元方法的软组织中动脉和肿瘤的触觉区分科学出版物

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> Tactile detection of a tumor and an artery in a tissue and distinction of a healthy artery from a stenotic artery, using finite element method, are presented. Four 2D models of tissue have been created: tissue itself, tissue including a tumor (TIT), tissue including a healthy artery (TIHA), and tissue including a stenotic artery (TISA). After solving four models with similar boundary conditions and loadings, the 2D tactile mappings and stress graphs for upper nodes of models, which have key importance for transferring tactile data, were explored. Then, by comparing these results, if the stress values of nodes were constant and equal, tissue is unlikely to have any tumor or artery embedded. Otherwise, if the stress graph included a peak, the tissue had a tumor or an artery. Additionally, it was observed that the stress graph of tissue including an artery is time-dependent in comparison with the tissue including a tumor. Further, it was concluded that a stenotic artery had larger stress peak than a healthy artery.
机译： >提出了使用有限元方法对组织中的肿瘤和动脉进行触觉检测以及将健康动脉与狭窄动脉区分开的方法。已经创建了四个组织的2D模型：组织本身，包括肿瘤的组织（TIT），包括健康动脉的组织（TIHA）和包括狭窄动脉的组织（TISA）。在解决了具有相似边界条件和载荷的四个模型之后，探索了模型上层节点的二维触觉映射和应力图，这对于传递触觉数据至关重要。然后，通过比较这些结果，如果结点的应力值恒定且相等，则组织不太可能嵌入任何肿瘤或动脉。否则，如果应力图包括一个峰值，则该组织具有肿瘤或动脉。另外，观察到与包括肿瘤的组织相比，包括动脉的组织的应力图是时间依赖性的。此外，得出的结论是狭窄的动脉具有比健康的动脉更大的应力峰。

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