A globally convergent multi-grid algorithm for moving boundary problems of two-phase Stefan type

In this paper we deal with the numerical solution of movingboundary problems of two-phase Stefan type. Based on an implicitdiscretization in time and the use of continuous, piecewiselinear finite elements in the space variables with respect tothe weak formulation of the problem, a globally convergent multi-gridalgorithm is developed. That algorithm strongly relies on thevariational characterization of the fully discretized problemas the unconstrained minimization of a subdifferentiable convexobjective functional. Numerical results indicate a significantimprovement in efficiency compared with previous multi-gridapproaches.     

ChemInform Abstract: Preparation and Crystal Structure of a New Acentric Caesium Gallium Hydrogen Phosphate Containing Phosphoric Acid,Cs2Ga(H2PO4)(HPO4)2. times.H3PO4×0.5 H2O.

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ChemInform Abstract: The First Oligomeric Anions of Fluoro-Litho Metallates with Octahedra Sandwich Motive: Cs4K((F3M(III)F3)Li(F3M(III)F3)), M(III): Ga,Fe.

ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.     

ChemInform Abstract: The First Oxogermanate with “Stuffed Pyrgoms”: CsNa3Li8(Li(GeO4))4.

ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.     

ChemInform Abstract: The Compressed Tetragonal CuF4- 6 Complex in KAlCuF6: An Angular Overlap Treatment of the Electronic Structure and Magnetic Exchange Coupling.

ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.