SII-AI4Fusion/SII-Stellarator-Configuration-Dataset

SII仿星器配置数据集是一个用于聚变能研究的表格数据集，专注于仿星器配置，特别是准等动力（Quasi-Isodynamic）配置。数据集按场周期数（nfp）分组，包含nfp值为1到5的样本。每个样本仅包含三个关键部分：傅里叶边界系数（包括r_cos和z_sin的5×9矩阵）、场周期数（nfp）以及9个VMEC评估指标（如纵横比、边缘旋转变换、平均三角形度等）。所有字段都经过严格验证，确保非空和非NaN，数据来源于proxima-fusion/constellaration数据集的清理版本，仅保留完全有效的行。数据集设计简化，仅保留配置优化所需的核心信息，并支持未来扩展，总样本数为158,685，存储为Parquet格式以便列式访问。The SII Stellarator Configuration Dataset is a tabular dataset for fusion energy research, focusing on stellarator configurations, particularly quasi-isodynamic (QI) configurations. The dataset is grouped by the number of field periods (nfp), with samples for nfp values ranging from 1 to 5. Each sample includes only three key components: Fourier boundary coefficients (comprising 5×9 matrices for r_cos and z_sin), the field-period count (nfp), and 9 VMEC evaluation metrics (such as aspect ratio, edge rotational transform, average triangularity, etc.). All fields are guaranteed to be non-None and non-NaN, derived from a cleaned version of the proxima-fusion/constellaration dataset, retaining only rows with complete and valid data. The dataset is designed to be simplified, containing only essential information for configuration-design optimization, and is structured to support future expansion. It contains a total of 158,685 samples, stored in Parquet format for efficient column-wise access.