Based on the two - way cross list for storing sparse block matrices fast algorithm between block matrices and bandwidth optimization based on node reorder in sparse block matrices were conducted to reduce calculation complexity and memory capacity of the finite element analysis 摘要在稀疏分块矩阵的双向正交链表存储结构的基础上，采用矩阵间的快速算法和基于稀疏分块矩阵的带宽优化技术，减少了结构有限元分析的计算量和存储容量。
