Finite central difference/finite element approximations for parabolic integro-differential equations
Finite central difference/finite element approximations for parabolic integro-differential equations
复制标题
抛物型积分微分方程的有限中心差分/有限元近似
DOI:
10.1007/s00607-010-0105-0
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发表时间:
2010-11
期刊:
影响因子:
3.7
通讯作者:
李物兰 徐大
中科院分区:
文献类型:
--
作者:
李物兰 徐大
We study the numerical solution of an initial-boundary value problem for parabolic integro-differential equation with a weakly singular kernel. The main purpose of this paper is to construct and analyze stable and high order scheme to efficiently solve the integro-differential equation. The equation is discretized in time by the finite central difference and in space by the finite element method. We prove that the full discretization is unconditionally stable and the numerical solution converges to the exact one with orderO(Δt2+hl). A numerical example demonstrates the theoretical results.
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DOI:
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期刊:
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