Mining extremal property from a large 2D truss metamaterial database
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Our project aims to explore the design space of truss metamaterials. Truss metamaterials attract considerable interest for their exceptional performance and prospects for engineering applications. These databases are generated by a generic method under potential publication. These databases comprise over 1.8 million distinctive entries, especially including numerous unprecedented metamaterials. These databases will strongly advance the emerging data-driven design strategies. <strong>Dataset S1 (.csv format).</strong> Entire architecture database of the designed metamaterials, including coordinates of flattened node-sets and elements of flattened adjacency matrices within building blocks.<strong>SubDataset for archiectures in eleven metamaterial groups ("group name"-features.csv).</strong> Eleven separated databases correspond to eleven metamaterial groups for convenient access. <strong>Dataset S2 (.csv format).</strong> Entire mechanical property database including Young’s moduli, Poisson’s ratios, shear modulus and isotropy index.<strong>SubDataset for mechanical properties in eleven metamaterial groups ("group name"-mechanical property.csv).</strong> Eleven separated databases correspond to eleven metamaterial groups for convenient access. <strong>The dataset is intended for reviews of potential publications and should not be cited or used before public publication.</strong>
本项目旨在探索桁架超材料（truss metamaterials）的设计空间。桁架超材料凭借其优异的性能与工程应用前景，受到了广泛关注。本批数据集采用通用方法构建，相关研究尚处于待发表阶段。本批数据集包含超过180万个独特条目，其中涵盖大量前所未有的超材料结构，将有力推动新兴的数据驱动设计策略的发展。 <strong>数据集S1（.csv格式）</strong>：收录所设计超材料的完整结构数据库，包含构建基元内扁平化节点集的坐标，以及扁平化邻接矩阵的元素信息。 <strong>11个超材料组结构子数据集（"group name"-features.csv）</strong>：包含11个独立数据库，分别对应11个超材料组，便于快速检索与调用。 <strong>数据集S2（.csv格式）</strong>：收录完整的力学性能数据库，包含杨氏模量、泊松比、剪切模量以及各向同性指数。 <strong>11个超材料组力学特性子数据集（"group name"-mechanical property.csv）</strong>：包含11个独立数据库，分别对应11个超材料组，便于快速检索与调用。 <strong>本数据集仅用于潜在发表成果的评审工作，在正式公开发表前不得被引用或使用。</strong>
