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Stefan problem through extended finite elements: review and further investigations - MaRDI portal

Stefan problem through extended finite elements: review and further investigations (Q1662497)

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scientific article; zbMATH DE number 6920471
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English
Stefan problem through extended finite elements: review and further investigations
scientific article; zbMATH DE number 6920471

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    Stefan problem through extended finite elements: review and further investigations (English)
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    20 August 2018
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    Summary: A general review of the extended finite element method and its application to the simulation of first-order phase transitions is provided. Detailed numerical investigations are then performed by focusing on the one-dimensional case and studying: (i) spatial and temporal discretisations, (ii) different numerical techniques for the interface-condition enforcement, and (iii) different treatments for the blending elements. An embedded discontinuity finite element approach is also developed and compared with the extended finite element method, so that a clearer insight of the latter can be given. Numerical examples for melting/solidification in planar, cylindrical, and spherical symmetry are presented and the results are compared with analytical solutions.
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    first-order phase transition
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    extended finite elements
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    embedded discontinuities
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