Material forces in thermoelastic ferromagnets |
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Authors: | A Fomethe GA Maugin |
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Institution: | IUT, Université de Ngaoundéré, Bo?te Postale 455, Ngaoundéré, Cameroun, CM Laboratoire de Modélisation en Mécanique (URA CNRS 229) Université Pierre et Marie Curie, Tour 66, 4 Place Jussieu, Case 162, F-75252 Paris Cédex 05, France, FR
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Abstract: | A systematic construction of the canonical balance of momentum (“pseudomomentum” on the material manifold) and energy is presented
for materially inhomogeneous thermoelastic hard ferromagnets in which both exchange forces and magnetic-spin inertia are taken
into account. The latter is of the gyroscopic type and endows the sources of quasi-inhomogeneities in the balance of pseudomomentum
with special properties. The equations obtained will prove useful in further studies of the fracture of hard ferromagnets
and of the propagation of phase-transition fronts in such materials.
Received January 23, 1996 |
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