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Effects of CT resolution and radiodensity threshold on the CFD evaluation of nasal airflow

机译:CT分辨率和径流阈值对鼻气流CFD评价的影响

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摘要

The article focuses on the robustness of a CFD-based procedure for the quantitative evaluation of the nasal airflow. CFD ability to yield robust results with respect to the unavoidable procedural and modeling inaccuracies must be demonstrated to allow this tool to become part of the clinical practice in this field. The present article specifically addresses the sensitivity of the CFD procedure to the spatial resolution of the available CT scans, as well as to the choice of the segmentation level of the CT images. We found no critical problems concerning these issues; nevertheless, the choice of the segmentation level is potentially delicate if carried out by an untrained operator.
机译:该文章侧重于基于CFD的过程的稳健性,以便定量评估鼻气流。 CFD能够屈服于不可避免的程序和建模不准确的稳健结果,必须展示允许该工具成为该领域临床实践的一部分。 本文具体地解决了CFD过程对可用CT扫描的空间分辨率的敏感性,以及CT图像的分割级别的选择。 我们发现没有关于这些问题的重要问题; 尽管如此,如果未经训练的操作员进行,分割级别的选择可能是微妙的。

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