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A Moving Boundary approach of Capturing diffusants Penetration into Rubber : FEM Approximation and Comparison with laboratory Measurements
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- Nepal, Surendra (author)
- Karlstads universitet,Institutionen för matematik och datavetenskap (from 2013)
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- Meyer, R. (author)
- Deutsches Institut für Kautschuktechnologie e. V., DEU
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- Kroeger, N. H. (author)
- Deutsches Institut für Kautschuktechnologie e. V., DEU ; Material Prediction GmbH, DEU
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- (creator_code:org_t)
- Huethig GmbH & Co. KG, 2021
- 2021
- English.
- In: KGK Kautschuk, Gummi, Kunststoffe. - : Huethig GmbH & Co. KG. - 0948-3276. ; 74:5, s. 61-69
- Journal article (peer-reviewed)
Abstract
Subject headings
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- To model the penetration of diffusants into dense and foamed rubbers a moving -boundary scenario is proposed. After a brief discussion of scaling arguments, we present a finite element approximation of the moving boundary problem. To overcome numerical difficulties due to the a priori unknown motion of the diffusants penetration front, we transform the governing model equations from the physical domain with moving unknown boundary to a fixed fictitious domain. We then solve the transformed equations by the finite element method and explore the robustness of our approximations with respect to relevant model parameters. Finally, we discuss numerical estimations of the expected large -time behavior of the material.
Subject headings
- NATURVETENSKAP -- Matematik -- Beräkningsmatematik (hsv//swe)
- NATURAL SCIENCES -- Mathematics -- Computational Mathematics (hsv//eng)
Keyword
- Moving boundary problem; Swelling; Finite element method
- Matematik
- Mathematics
Publication and Content Type
- ref (subject category)
- art (subject category)
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- Giese, U.
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