On volumetric growth and material frames.
R. Segev, G. Rodnay (1999)
Extracta Mathematicae
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R. Segev, G. Rodnay (1999)
Extracta Mathematicae
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Giovanni Moreno (2013)
Open Mathematics
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First-order jet bundles can be put at the foundations of the modern geometric approach to nonlinear PDEs, since higher-order jet bundles can be seen as constrained iterated jet bundles. The definition of first-order jet bundles can be given in many equivalent ways - for instance, by means of Grassmann bundles. In this paper we generalize it by means of flag bundles, and develop the corresponding theory for higher-oder and infinite-order jet bundles. We show that this is a natural geometric...
J. Kijowski, J. Komorowski (1969)
Studia Mathematica
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Marius Cocu, Rémi Rocca (2010)
ESAIM: Mathematical Modelling and Numerical Analysis
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We consider a two dimensional elastic body submitted to unilateral contact conditions, local friction and adhesion on a part of his boundary. After discretizing the variational formulation with respect to time we use a smoothing technique to approximate the friction term by an auxiliary problem. A shifting technique enables us to obtain the existence of incremental solutions with bounds independent of the regularization parameter. We finally obtain the existence of a quasistatic...
Oanh Chau, Dumitru Motreanu, Mircea Sofonea (2002)
Applications of Mathematics
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We consider two quasistatic problems which describe the frictional contact between a deformable body and an obstacle, the so-called foundation. In the first problem the body is assumed to have a viscoelastic behavior, while in the other it is assumed to be elastic. The frictional contact is modeled by a general velocity dependent dissipation functional. We derive weak formulations for the models and prove existence and uniqueness results. The proofs are based on the theory of evolution...
Manuel de León, Marcelo Epstein (1996)
Extracta Mathematicae
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Agnieszka Czarnota (2008)
Annales UMCS, Mathematica
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We describe all F2Mm1,m2,n1,n2-natural affinors on the r-th order adapted frame bundle PrAY over (m1,m2, n1, n2)-dimensional fibered-fibered manifolds Y.