Pseudomomentum in relativisticcontinuum mechanics

• Autorzy: Restuccia L. , Maugin G.
• Języki publikacji: EN

Abstrakty

EN

In classical continuum mechanics the balance or unbalance equation of pseudomomentum reflects the material invariance of the system under study. It relates the time derivative of pseudo-momentum and the flux of the Eshelby stress. It is legitimate to inquire whether this structure is conserved in a relativistic four-dimensional back-ground. We examine here the relativistic definition of pseudo/material momentum using simultaneously variational and direct approaches (the latter using the canonical projection of space-time onto the material manifold). It appears that the truly material entities, just as those in a proper frame, should be the basic ones, being independent of the relativity framework used.

• Wydawca: Instytut Podstawowych Problemów Techniki PAN
• Czasopismo: Archives of Mechanics
• Rocznik: 1998
• Tom: Vol. 50, nr 3
• Strony: 521--530
• Opis fizyczny: Bibliogr. 31 poz.,

Twórcy

autor

Restuccia L.

autor

Maugin G.

• Laboratoire de Modelisation en Mecanique, Universite Pierre et Marie Curie, Paris, France