叶片高精度流固耦合仿真平台开发数据集
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长柔叶片的气弹耦合作用一直是困扰叶片大型化的难题，由此导致的叶片振动，气弹失稳问题，已逐渐成为长柔叶片运行安全性的关键制约因素，受到行业广泛关注，亟需开发可靠的分析方法，来充分了解长柔叶片气弹耦合特性与稳定性。然而，大型风电叶片尺度大，具有典型的几何非线性特征。在特定工况下，其表面流动分离明显，需要开发高精度的流场求解模型来捕捉流场非线性特性。本数据集将间断伽辽金（DG）方法用于气动模型求解[9-10]，具有精度高、紧致性好、守恒性高、便于并行计算等诸多优点，可准确高效地模拟复杂流场，还原流场载荷的非线性特征。该方法直接通过提高单元内分布多项式的阶数来提升计算模型的空间精度（可以达到3阶及以上精度）且无需拓展模型，能够有效提升长柔叶片的气弹耦合分析精细化程度。为进一步验证该模型，本数据集从气动流场求解，动网格生成，流固耦合仿真，缩比叶片实验验证多个角度进行对比分析。本数据集可为从事计算流体力学（CFD）、动网格技术以及流固耦合（FSI）研究与工程应用的科研人员、研究生和工程技术人员，在算法验证、结果对比和二次开发方面提供基础数据支撑。数据集共包括3个数据文件夹和1个数据说明文件，其中：(1) 叶片高精度流固耦合仿真平台开发技术报告是本任务的技术报告，数据量6.6MB；(2) 叶片高精度流固耦合仿真平台开发支撑数据.zip 是本任务的支撑数据，数据量561.9MB，主要包括“0201-高精度气动模型仿真分析结果”、“0202-动网格仿真分析结果”、“0203-流固耦合仿真分析结果”、“0204-缩比模型设计结果”以及“0205-实验结果及验证分析” ; (3) 代表性知识产权.zip 是代表性知识产权的关键数据，数据量22.6MB。
The aeroelastic coupling of long flexible blades has long been a challenging issue hindering the large-scale development of blades. The blade vibration and aeroelastic instability caused by this have gradually become key restricting factors for the operational safety of long flexible blades, which have attracted widespread attention in the industry. There is an urgent need to develop reliable analytical methods to fully understand the aeroelastic coupling characteristics and stability of long flexible blades. However, large-scale wind turbine blades have large dimensions and typical geometric nonlinear characteristics. Under specific operating conditions, significant flow separation occurs on their surfaces, necessitating the development of high-fidelity flow field solvers to capture the nonlinear characteristics of the flow field. This dataset applies the Discontinuous Galerkin (DG) method to aerodynamic model simulation [9-10], which boasts multiple advantages such as high accuracy, good compactness, high conservation property, and ease of parallel computing. It can accurately and efficiently simulate complex flow fields and restore the nonlinear features of flow loads. This method directly improves the spatial accuracy of the computational model (up to 3rd-order or higher) by increasing the order of the distributed polynomials within each element, without expanding the model, effectively enhancing the refinement level of aeroelastic coupling analysis for long flexible blades. To further validate this model, this dataset conducts comparative analysis from multiple perspectives including aerodynamic flow field simulation, dynamic mesh generation, fluid-structure interaction (FSI) simulation, and scaled blade experimental validation. This dataset can provide basic data support for researchers, graduate students, and engineering technicians engaged in research and engineering applications of Computational Fluid Dynamics (CFD), dynamic mesh technology, and fluid-structure interaction (FSI), in terms of algorithm validation, result comparison, and secondary development. The dataset consists of 3 data folders and 1 data description file, as follows: (1) Technical Report on the Development of High-Fidelity FSI Simulation Platform for Blades: the technical report of this task, with a data size of 6.6 MB; (2) Supporting Data for the Development of High-Fidelity FSI Simulation Platform for Blades.zip: the supporting data of this task, with a data size of 561.9 MB, mainly including "0201 - High-Fidelity Aerodynamic Model Simulation and Analysis Results", "0202 - Dynamic Mesh Simulation and Analysis Results", "0203 - Fluid-Structure Interaction Simulation and Analysis Results", "0204 - Scaled Model Design Results", and "0205 - Experimental Results and Validation Analysis"; (3) Represented Intellectual Property.zip: the key data of the represented intellectual property, with a data size of 22.6 MB.
