1988
DOI: 10.2307/2008578
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An Efficient Linear Scheme to Approximate Parabolic Free Boundary Problems: Error Estimates and Implementation

Abstract: Abstract.This paper deals with a fully discrete scheme to approximate multidimensional singular parabolic problems; two-phase Stefan problems and porous medium equations are included. The algorithm consists of approximating at each time step a linear elliptic partial differential equation by piecewise linear finite elements and then making an element-by-element algebraic correction to account for the nonlinearity. Several energy error estimates are derived for the physical unknowns; a sharp rate of convergence… Show more

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Cited by 10 publications
(22 citation statements)
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“…see, e.g [22,23]. It is easy to see that θ(s) := L α s + α(s) is Lipschitz continuous and monotone, which follows from…”
Section: Lemma 31 Let the Assumptions Of Theorem 21 Be Fulfilled mentioning
confidence: 93%
“…see, e.g [22,23]. It is easy to see that θ(s) := L α s + α(s) is Lipschitz continuous and monotone, which follows from…”
Section: Lemma 31 Let the Assumptions Of Theorem 21 Be Fulfilled mentioning
confidence: 93%
“…The scheme (8)-(13) (Scheme 1) was also compared with the linear approximation schemes introduced in [4] (Scheme 2) and in [7] (Scheme 3). We set…”
Section: Numerical Experimentsmentioning
confidence: 99%
“…Nochetto and Verdi in [7] used a linear approximation scheme to approximate the singular parabolic problem by a linear discrete problem. Kačur, Handlovičová and Kačurová in [4] replaced the parameter µ in the linear approximation scheme by a function µ(x).…”
Section: Introductionmentioning
confidence: 99%
“…This scheme consists of solving a linear elliptic equation and updating Z. Many authors investigated this scheme because of its effectiveness (e.g., [10,11,14,18,19,21,26]). This scheme can be implemented very easily.…”
Section: Introductionmentioning
confidence: 99%