Výsledky vyhledávání - "M. G. Rochester"

Note on the Necessary Conditions for P and S Wave Propagation in a Homogeneous Isotropic Elastic Solid

Autor: M. G. Rochester

Publikováno v: Journal of Elasticity. 98:111-114

The proof that being irrotational/solenoidal is sufficient for a displacement field in a homogeneous isotropic elastic solid to be propagated as a P/S wave is utterly familiar. Because a proof of the necessity of these conditions seems not to be give

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::091f600946f5b5f9b31b5bb4fe7b6cb2
https://doi.org/10.1007/s10659-009-9228-y

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Earth's long-period wobbles: a Lagrangean description of the Liouville equations

Autor: David Crossley, M. G. Rochester

Publikováno v: Geophysical Journal International. 176:40-62

SUMMARY The two low-frequency wobble modes of the Earth are the Chandler wobble (CW) and the inner core wobble (ICW). The CW period is about 400 d for an ocean-free model, and the ICW period has previously been estimated to be about 6.6 yr. The latte

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b5e365b347b41fe30078f27cd2dddc81
https://doi.org/10.1111/j.1365-246x.2008.03991.x

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The subseismic approximation in core dynamics-II. Love numbers and surface gravity

Autor: M. G. Rochester, David Crossley

Publikováno v: Geophysical Journal International. 125:830-840

SUMMARY This paper extends our earlier examinations of the utility of various approximations for treating the dynamics of the Earth’s liquid core on time-scales of the order of lo4 to lo8 s. We discuss the effects of representing the response of th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bdc9fe9d0a8b5021b8ea944fab351045
https://doi.org/10.1111/j.1365-246x.1996.tb06026.x

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On the coupling between magnetic field and nutation in a numerical integration approach

Autor: X. H. Liao, Véronique Dehant, Chengli Huang, M. G. Rochester, T. Van Hoolst

Publikováno v: Journal of Geophysical Research. 116

Nutation amplitudes are computed in a displacement field approach that incorporates the influence of a prescribed magnetic field inside the Earth's core. The existence of relative nutational motions between the liquid core and its surrounding solid p

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::226cb656cf21be03eabf6229df4d5422
https://doi.org/10.1029/2010jb007713

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Slichter modes and Love numbers

Autor: David Crossley, M. G. Rochester, Z. R. Peng

Publikováno v: Geophysical Research Letters. 19:1679-1682

The recent claim by Smylie [1992] to have detected the Slichter modes of the Earth's inner core rests on what appears to be a remarkable agreement between theory and observation. However the theoretical eigenperiods which are used by Smylie conflict

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6651f858ac935d100218756d171c4283
https://doi.org/10.1029/92gl01574

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The subseismic approximation in core dynamics

Autor: M. G. Rochester, David Crossley

Publikováno v: Geophysical Journal International. 108:502-506

SUMMARY Scaling arguments have been used to justify the subseismic approximation (SSA) for analysing long-period oscillations of the Earth's liquid core. This approximation neglects the contribution of flow pressure to elastic compression relative to

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6ae315335a1ec86f7646a7cd7b1882f8
https://doi.org/10.1111/j.1365-246x.1992.tb04631.x

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