支架在动脉瘤中数值模拟的压力降和流动偏转模型数据集

数据集获取（Figshare）

• 源站标题：Dataset for: Model for pressure drop and flow deflection in the numerical simulation of stents in aneurysm
• DOI：10.6084/m9.figshare.5643214.v1
• 发布日期：2018-01-30
• 文件数：3 个
• 文件总体积：66.82 MB
• 源站页面：https://wiley.figshare.com/articles/dataset/Dataset_for_Model_for_pressure_drop_and_flow_deflection_in_the_numerical_simulation_of_stents_in_aneurysm/5643214

命令行下载

curl -L -o "straight channel.rar" "https://ndownloader.figshare.com/files/9831535"
curl -L -o "aneurysm_withoutStent.rar" "https://ndownloader.figshare.com/files/9831538"
curl -L -o "aneurysm_force.rar" "https://ndownloader.figshare.com/files/9831541"

文件清单

• straight channel.rar（50.27 MB）
• aneurysm_withoutStent.rar（8.30 MB）
• aneurysm_force.rar（8.24 MB）

文件总体积 66.82 MB（源站 API 实测）。

数据加载示例（图像类）

from PIL import Image
import glob, os

files = (glob.glob(os.path.join(path, "**", "*.png"), recursive=True)
       + glob.glob(os.path.join(path, "**", "*.jpg"), recursive=True)
       + glob.glob(os.path.join(path, "**", "*.tif"), recursive=True))
print("图像文件数:", len(files))
img = Image.open(files[0]); print("尺寸/模式:", img.size, img.mode)

# torchvision Dataset 方式:
# from torchvision import datasets
# ds = datasets.ImageFolder(path)  # 要求 子目录=类别

目录组织与标注格式以源站说明和下载后实际文件为准。

数据说明

The numerical simulation of flow diverters like stents contributes to the development and improvement of endovascular stenting procedures, leading ultimately to an improved treatment of intracranial aneurysms. Due to the scale difference between the struts of flow diverters and the full artery, it is common to avoid fully resolved simulations at the level of the stent porosity. Instead, the effect of stents on the flow is represented by a heuristic continuum model. However, the commonly used porous media models describe the properties of flow diverters only partially, because they do not explicitly account for the deflection of the flow direction by the stent. We show that this deficiency can be circumvented by adopting the theoretical framework of screen models. The article first reviews existing screen models. It then proposes an explicit formula for the drag and the deflection coefficient, as predicted by each model, for both perpendicular and inclined angles. The results of 2D numerical simulations are used to formulate a generalization of these formulas, to achieve best results in the case of stent modeling. The obtained model is then validated, again through 2D numerical simulation.

许可

CC0

引用

学术使用请引用 DOI 10.6084/m9.figshare.5643214.v1（source: https://wiley.figshare.com/articles/dataset/Dataset_for_Model_for_pressure_drop_and_flow_deflection_in_the_numerical_simulation_of_stents_in_aneurysm/5643214）。