1975
DOI: 10.1137/0712049
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Numerical Solution of a Diffusion Consumption Problem with a Free Boundary

Abstract: The main advantages over the previous domain type BEM attempt are: -Thermal conductivity of solid and liquid phase could be different. -The time-dependent fundamental solution weighting gives better accuracy (larger time-steps could be used) as the -No non-linear systems of algebraic equations occur. steady-state one.The developed procedure could serve as a basis for the solution of a broad field of scientific and engineering applications. References1 ZABARAS, N.; MUKHERJEE, S.: An analysis of solidification p… Show more

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Cited by 61 publications
(37 citation statements)
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“…As pointed out e. g. in [1,2,3,9] (-x) 9 and C/g (je) ^ 1, U' o (x) ^ 0 for x > 0, the solution U satisfies U (-x, t) = U(x 9 t) and U t (x, t) ^0, U x (x 9 t) £0 in the fîrst quadrant Q = { (x, t) \ x > 0, t > 0 }, so that, setting:…”
Section: Tntrodtjcttön^mentioning
confidence: 96%
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“…As pointed out e. g. in [1,2,3,9] (-x) 9 and C/g (je) ^ 1, U' o (x) ^ 0 for x > 0, the solution U satisfies U (-x, t) = U(x 9 t) and U t (x, t) ^0, U x (x 9 t) £0 in the fîrst quadrant Q = { (x, t) \ x > 0, t > 0 }, so that, setting:…”
Section: Tntrodtjcttön^mentioning
confidence: 96%
“…u : Q -* R; u is strictly positive in Q; (1)(2)(3) see e. g. [1,2,3,7,8,9,13]; see also [11,17,18,19] for gênerai results about parabolic free-boundary problems and for further références. As pointed out e. g. in [1,2,3,9] (-x) 9 and C/g (je) ^ 1, U' o (x) ^ 0 for x > 0, the solution U satisfies U (-x, t) = U(x 9 t) and U t (x, t) ^0, U x (x 9 t) £0 in the fîrst quadrant Q = { (x, t) \ x > 0, t > 0 }, so that, setting:…”
Section: Tntrodtjcttön^mentioning
confidence: 99%
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“…The truncation method was developed for approximating the solution of a spécifie parabolic diffusionconsumption problem with a moving free surface in Berger, Ciment, and Rogers [2]. Since this diffusion-consumption problem is equivalent to a parabolic variational inequality problem (Lewy and Stampacchia [10]), the truncation method is hence seen to be applicable to this type of variational inequality.…”
Section: Introductionmentioning
confidence: 99%
“…The Crank-Gupta problem [18,48,109] in multiple space dimensions is with boundary conditions u = 0 and ∂u/∂n = 0 on ∂R(t). Mass is not conserved for this problem but it is easily verified from (5.8), using the boundary conditions, that the rate of change of mass is given byθ = −|R|.…”
Section: Numerical Example: the Crank-gupta Problemmentioning
confidence: 99%