求解一维抛物型方程的一类有限体积元格式

A Kind of Finite Volume Element Scheme for Solving One-dimensional Parabolic Partial Differential Equation

针对一维抛物型方程初边值问题提出了一种新型的有限体积元格式 ,证明了该格式按离散 L2模及离散 H1半模具有二阶收敛精度 .最后 ,具体算例表明 。

A kind of finite volume element scheme for one dimensional parabolic partial differential equation with initial and Dirichlet boundary condition is presented,and it is proved that the scheme has second order convergence accuracy with respect to discrete L 2 norm and discrete H 1 seminorm.Finally,a numerical example shows that the method is effective.