USING COMMERCIAL FINITE ELEMENT PACKAGES FOR THE STUDY OF EARTH DEFORMATIONS, SEA LEVELS AND THE STATE OF STRESS
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dc.contributor.author | Wu P. | |
dc.date.accessioned | 2022-09-24T04:26:14Z | |
dc.date.available | 2022-09-24T04:26:14Z | |
dc.date.issued | 2004 | |
dc.identifier | https://elibrary.ru/item.asp?id=7563033 | |
dc.identifier.citation | Geophysical Journal International, 2004, 158, 2, 401-408 | |
dc.identifier.issn | 0956-540X | |
dc.identifier.uri | https://repository.geologyscience.ru/handle/123456789/38736 | |
dc.description.abstract | Modifications to commercial finite element (FE) packages must be applied before they can be used for geophysical studies involving long wavelength deformation or viscoelasticity. This paper provides in detail how and why the commercial codes have to be modified when incompressibility is assumed. Both the non-self-gravitating flat earth and self-gravitating spherical earth will be considered. The latter involves an iterative procedure, which converges within 5 iterations. This is demonstrated both analytically and numerically. In addition, implementation of the gravitationally self-consistent sea level equation on a self-gravitating spherical earth is also described. Good agreement between numerical results obtained with this coupled finite-element method and the conventional spectral method is also demonstrated. In all cases, the interpretation of the outputs of FE models are particularly important in modelling the state of stress. | |
dc.subject | FINITE ELEMENT METHOD | |
dc.subject | GLACIAL REBOUND | |
dc.subject | MANTLE VISCOSITY | |
dc.subject | SEA LEVEL | |
dc.subject | STRESS DISTRIBUTION | |
dc.title | USING COMMERCIAL FINITE ELEMENT PACKAGES FOR THE STUDY OF EARTH DEFORMATIONS, SEA LEVELS AND THE STATE OF STRESS | |
dc.type | Статья |
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