摘要
对二点差分格式的精度作理论分析和有限元计算 ,得出 C- N差分格式在所有二点差分格式中 ,解的精度最高 ,但其振荡性对解的精度的影响仍然存在 ,尤其是时间步长较长时影响更加明显 .
The theoretical analysis of the precision and the calculation of finite element of two point difference scheme were presented. It shows that the scheme of Crank Nicolson has highest precision of solutions. However,there is still an effect of the oscillation on the precision of solution especially with longer time step.
出处
《湖南大学学报(自然科学版)》
EI
CAS
CSCD
北大核心
2002年第2期58-62,共5页
Journal of Hunan University:Natural Sciences