Finite element simulation of the normal interaction of particles in the visco-elastic solid

• Autorzy: Rimsa V. , Kacianauskas R. , Sivilevicius H.

Warianty tytułu

PL

Symulacja oddziaływania cząstek ze sprężysto-lepkim ośrodkiem metodą elementów skończonych

• Języki publikacji: EN

Abstrakty

EN

This paper addresses the 3D FE simulation of the normal interaction of stiff but deformable particles in binder matrix on the meso-scale. The particles are assumed to be elastic spheres while matrix is considered as viscoelastic solid. The investigation is aimed to capture interaction in terms of normal forces under tension. The problem is considered by applying geometrically linear and nonlinear approaches. Results illustrate influence of initial interparticle gap reduction of which yields significant increase of the interaction force. Comparison between purely elastic and viscoelastic solutions is also presented.

PL

Niniejszy artykuł dotyczy trójwymiarowej symulacji metodą elementów skończonych oddziaływania w kierunku normalnym sztywnych, ale odkształcalnych cząstek w spoistej osnowie na poziomie mezoskopowym. Cząstki są traktowane jako sprężyste kule, zaś osnowa jako ciało lepkosprężyste. Badania mają na celu znalezienie sił oddziaływania pod obciążeniem. Zagadnienie jest rozpatrywane przy zastosowaniu modelu geometrycznie liniowego i nieliniowego. Wyniki pokazują wpływ wstępnego zmniejszenia odstępu na znaczący wzrost siły oddziaływania. Przedstawione jest również porównanie między rozwiązaniem sprężystym i lepkosprężystym.

Słowa kluczowe

EN

particles; geometric nonlinearity; viscoelastisity; normal interaction force; interface layer

PL

cząstki; nielinowość geometryczna; lepkosprężystość; oddziaływanie w kierunku normalnym; warstwa graniczna

• Wydawca: AGH University of Science and Technology Press
• Czasopismo: Mechanics and Control
• Rocznik: 2011
• Tom: Vol. 30, no. 4
• Strony: 245--253
• Opis fizyczny: Bibliogr. 28 poz., rys., wykr., tab.

Twórcy

autor

Rimsa V.

autor

Kacianauskas R.

autor

Sivilevicius H.

• Vilnius Gediminas Technical University, Sauletekio Ave. 11, 10223 Vilnius,

Bibliografia

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