摘要
本文给出处理非零边值的重调和方程的一种非协调有限元法,证明其为收敛且精度、条件数皆与协调元相同;应用于具体构造一个十自由度的三角形单元,并给出误差估计。
A nonconforming finite element method is given for handling of biharmonic equation with non-zero boundary value. This new method is prived to be convergent, and identical with conforming element in accuracy and conldition number. A triangular element with ten degrees of freedom is specifi- cally constructed by applying this method and its error estimate is given.
出处
《华侨大学学报（自然科学版）》
CAS
1992年第3期302-308,共7页
Journal of Huaqiao University(Natural Science)
关键词
重调和方程
有限元
收敛
非协调
biharmonic equation
finite
element
convergence
precison
