On consequences of the principle of stationary action for dissipative bodies

• Autorzy: Kosiński W. , Perzyna P.
• Języki publikacji: EN

Abstrakty

EN

The aim of this note is to show possible consequences of the principle of stationary action formulated for dissipative bodies. The material structure with internal state variables is considered for those bodies. The appropriate action functional is proposed for a typical dissipative body. Possible variations of fields of dependent state variables are introduced together with a non-commutative rule between operations of taking variations of the field and their partial time derivatives. Assuming vanishing of the first variation of the functional, the balance of linear momentum in differential form is received together with evolution equations for internal state variables and stress boundary condition.

Słowa kluczowe

EN

dissipative bodies; principle of stationary action; Lagrangian; non-commutative rule; internal state variables

• Wydawca: Instytut Podstawowych Problemów Techniki PAN
• Czasopismo: Archives of Mechanics
• Rocznik: 2012
• Tom: Vol. 64, nr 1
• Strony: 95--106
• Opis fizyczny: Bibliogr. 26 poz.

Twórcy

autor

Kosiński W.

autor

Perzyna P.

• Polish-Japanese Institute of Information Technology Computer Science Department Koszykowa 86, 02-008 Warszawa, Poland Kazimierz Wielki University of Bydgoszcz, Institute of Mechanics and Applied Computer Science Chodkiewicza 30, 85-064 Bydgoszcz, Pol,

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