The lumped mass finite element method for a parabolic problem
The lumped mass finite element method for a parabolic problem
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DOI:
10.1017/s0334270000004549
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发表时间:
1985-01
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影响因子:
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通讯作者:
C. M. Chen;V. Thomée
中科院分区:
文献类型:
--
作者:
C. M. Chen;V. Thomée
Abstract For the heat equation in two space dimensions we consider semidiscrete and totally discrete variants of the lumped mass modification of the standard Galerkin method, using piecewise linear approximating functions, and demonstrate error estimates of optimal order in L2 and of almost optimal order in L∞.