论文部分内容阅读
四、求解有限元方程组的波阵解法 1.一般的高斯消去法求解有限元方程组时,首先要逐个单元组装成总体的和后,再经过高斯消去过程和回代运算过程,才可以求得未知向量,这种方法需要计算机的内存容量大,远远超出了一般微机所具有的内存容量。波阵法可以看作是一种特殊的很有效率的高斯直接消去法,它设计得使内存需要量、算术运算次数和外存的利用都达到最少。它超过其他算法例如带状方程法的效率和优点。它的
Fourth, solve the finite element equation wave array solution 1. General Gaussian elimination method for solving finite element equations, the first unit-by-unit into the overall sum, and then go through the Gaussian elimination process and back to the calculation process, can only seek Unknown vector, this method requires the computer’s memory capacity, far beyond the general computer memory capacity. Wavefront method can be regarded as a special efficient Gaussian direct elimination method, it is designed to make the memory requirements, the number of arithmetic operations and the use of memory to a minimum. It outperforms the efficiency and benefits of other algorithms such as strip equations. its