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| Titel |
Nonlinear viscoelastic compaction in sedimentary basins |
| VerfasserIn |
X.-S. Yang |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
1023-5809
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| Digitales Dokument |
URL |
| Erschienen |
In: Nonlinear Processes in Geophysics ; 7, no. 1/2 ; Nr. 7, no. 1/2, S.1-8 |
| Datensatznummer |
250004238
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| Publikation (Nr.) |
 copernicus.org/npg-7-1-2000.pdf |
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| Zusammenfassung |
| In the mathematical modelling of sediment compaction
and porous media flow, the rheological behaviour of sediments is typically
modelled in terms of a nonlinear relationship between effective pressure pe
and porosity Φ, that is pe
= pe
(Φ).
The compaction law is essentially a poroelastic one. However, viscous compaction
due to pressure solution becomes important at larger depths and causes this
relationship to become more akin to a viscous rheology. A generalised
viscoelastic compaction model of Maxwell type is formulated, and different
styles of nonlinear behaviour are asymptotically analysed and compared in this
paper. |
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