超大规模结构动力学分析在复杂装备研制和评估过程中具有非常强烈的应用需求，商业有限元软件在计算规模和效率等方面的壁垒严重制约了复杂装备的精细数值模拟。本项目以大幅提升结构动力学计算能力和求解效率为出发点，基于现有研究基础，构建结构动力学高效计算体系并研发相应的并行计算软件。对各主要动力学类型涉及的核心理论进行前沿追踪和创新，对关键环节研究适应性和扩展性强的高效求解算法；研究求解流程中的共性和个性并行策略，形成“层次化、模块化”较强的并行算法设计；基于JAUMIN框架数据结构，对各类型算法进行实现，形成覆盖主要动力学分析类型的并行计算软件体系；结合数值试验等对算法和软件开展优化，对影响计算规模提升的关键因素进行攻关；最终应用于典型复杂装备，实现其“数亿自由度、数万CPU核”的高效动力学模拟。相关研发工作对于促进我国高性能软件自主化和实用化，提升计算能力，打破国外高端软件禁运等具有重要意义。

Super large-scale structural dynamic analysis (hundreds of millions of DOFs) has very strong application demands in the development and evaluation of complex equipments. The computing scale and efficiency of commercial finite element software have greatly restricted the refined numerical simulation of complex equipments. In this project, partially based on the results we have achieved, a high efficient computing system for structural dynamics will be constructed and the corresponding parallel computing software will be developed to improve the computing ability and solution efficiency. The kernel theories for each dynamic type will be studied by pursuit of new frontiers and theoretical innovation, some high-efficient algorithms with better adaptability and strong scalability will be studied in crucial computing parts. The common and individual strategies in parallel solution will be considered to form robust algorithm designs with hierarchy data structure and with modularity. In virtue of the JAUMIN framework, each kind of dynamic algorithm will be implemented to form the parallel computing software and cover the major dynamic analysis types. Some numerical tests will be carried out to optimize the algorithms and the software, and some crucial factors which influence the computing scale will be deeply studied. Finally, the developed software will be applied to the complex equipments, where we’ll realize the parallel solution of structural dynamics over hundreds of millions of DOFs with tens of thousands of CPU processors. The studies in this project will promote the self-determination and practicability of high performance software in China, which have great significance on solving dynamic problems of complex equipments and broking the embargo policy of overseas advanced software.