Displaying similar documents to “Idealized skins constituted by finitely many material particles.”

Multipolar viscoelastic materials and the symmetry of the coefficients of viscosity

Miroslav Šilhavý (1992)

Applications of Mathematics

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The integral constitutive equations of a multipolar viscoelastic material are analyzed from the thermodynamic point of view. They are shown to be approximated by those of the differential-type viscous materials when the processes are slow. As a consequence of the thermodynamic compatibility of the viscoelastic model, the coefficients of viscosity of the approximate viscous model are shown to have an Onsager-type symmetry. This symmetry was employed earlier in the proof of the existence...

The BV-energy of maps into a manifold : relaxation and density results

Mariano Giaquinta, Domenico Mucci (2006)

Annali della Scuola Normale Superiore di Pisa - Classe di Scienze

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Let  𝒴   be a smooth compact oriented riemannian manifoldwithout boundary, and assume that its 1 -homology group has notorsion. Weak limits of graphs of smooth maps  u k : B n → 𝒴   with equibounded total variation give riseto equivalence classes of cartesian currents in  cart 1 , 1 ( B n 𝒴 )   for which we introduce a natural B V -energy.Assume moreover that the first homotopy group of   𝒴   iscommutative. In any dimension   n   we prove that every element  T   in   cart 1 , 1 ( B n 𝒴 )   can be approximatedweakly in the sense of currents by a sequence...