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Influence of anisotropy induced by microcracks on effective elastic properties

Gambin B, Gałka A., Telega J. J., Tokarzewski S.

Engineering Transactions

2005

Vol. 53, iss. 4

363-374

The influence of microcracks distribution on macroscopic elastic properties of composites with a specific structure is studied. The model predicts the properties of laminates made of materials in which fracture process leads to appearance of many microcracks distributed practically uniformly. The method of solution is based on the so-called reiterated homogenization with two different scales of inhomogeneities. The smaller scale is connected with microcracks size. After homogenization performed with the help of FEM an anisotropic homogeneous elastic material is obtained. The anisotropy is implied by directional distribution of microcracks. On the second larger scale, random mixture of two or more different anisotropic elastic materials is considered.

Mechanika pękania w zagadnieniach stomatologii stosowanej

Kierklo A., Tribiłło R., Walendziuk A.

Zeszyty Naukowe Politechniki Białostockiej. Budownictwo

2004

Z. 25

77-84

W pracy omówiono podstawowe zagadnienia mechaniki pękania. Wskazano możliwości zastosowania aparatu analizy mechanicznej do analizy zagadnień stomatologii stosowanej.

A basic theory of fracture mechanics problems has been reviewed. It has been indicated the posibilities of using the mechanical theory in applied dentistry.