Numerical approximation for two-dimensional neutral parabolic differential equations with delay

Numerical approximation for two-dimensional neutral parabolic differential equations with delay
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带时滞的二维中性抛物型微分方程的数值逼近

DOI:
10.1080/02286203.2016.1142280
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发表时间:
2016-01
影响因子:
3.1
通讯作者:
Dinghua Xu
Dinghua Xu
中科院分区:
--
文献类型:
--
作者:
Qifeng Zhang;Maohua Ran;Dinghua Xu

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本文给出了求解二维中立型时滞抛物型微分方程的一种有效的紧差分格式。给出了方案的具体详细推导。得到了唯一可解性和无条件稳定性。数值实验表明,该格式在时间方向上具有二阶精度,在-范数和-范数意义上具有四阶精度。文中给出的所有程序都可以推广到三维情况下的NDPDEs。
In this article, an effective compact difference scheme is proposed to solve two-dimensional neutral delay parabolic differential equations (NDPDEs). Concrete and detailed derivation of the scheme is given. The unique solvability and unconditional stability are obtained. Several numerical experiments indicate that the scheme has second-order accuracy in temporal direction and fourth-order accuracy in spatial direction in the sense of -norms and -norms. All procedures given in the paper can be extended to NDPDEs in three-dimensional case.
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