Efficient Numerical Techniques for Dynamic Analysis of Large-Scale Structures on Vector and Parallel Computers

矢量和并行计算机上大型结构动态分析的高效数值技术

• 批准号: 9006910
• 负责人: Ronald Harichandran
• 金额: $ 4.8万
• 依托单位: Michigan State University
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 1990
• 资助国家: 美国
• 起止时间: 1990-09-01 至 1993-02-28
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9006910&HistoricalAwards=false
• 关键词: Efficient; Numerical; Techniques; Dynamic; Analysis

The dynamic analysis of large complex structures either by direct integration or by modal superposition is often prohibitive due to cost. Recently mixed integration and modal synthesis techniques have been proposed to more efficiently perform the dynamics analysis and to reduce the computational cost. These developments are at an early stage and substantial work still to be done, most notably in the implementation of various theoretical schemes to exploit the vector and parallel processing capabilities of the new computer systems. This research project deals with the implementation of finite element mesh partitioning, the use of independent operations in each partition, and the determination of the response of the complete structural system utilizing these operations. Only direct integration will be employed, since these are more readily applicable to nonlinear problems. A Newton- Jacobi mixed integration approach will be study in detail and implemented on vector and parallel processors.

大型钢结构的动力分析 复杂的结构或直接 集成或通过模态 叠加常常是禁止 由于成本。 最近混合 积分与模态综合 已经提出了一些技术， 更有效地执行 动力学分析，并减少 计算成本 这些 发展处于初期阶段 还有大量的工作要做 尤其是在 落实各项 理论方案，以利用 向量与平行处理 新计算机的性能 系统. 本研究项目涉及 有限的实现 单元网格划分，使用 在每一个独立的操作 划分，以及确定 完整的响应 结构系统利用这些 运营 唯一直接 将采用集成，因为 这些更容易应用 非线性问题。 牛顿- Jacobi混合积分法 将详细研究， 在矢量和并行上实现 处理器.