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Features of the fracture of a material representing a matrix with a low-strength inclusion in a discrete element model
Damaskinskaya E.E.
1, Hilarov V.L.
1
1Ioffe Institute, St. Petersburg, Russia
Email: Kat.Dama@mail.ioffe.ru
A model of fracture for a material consisting of a matrix with an inclusion is constructed using the discrete element method. A material variant in which the inclusion has significantly lower strength and elastic modulus than the matrix is considered. It is shown that the properties of the boundary between the inclusion and the matrix have a decisive influence on the fracture development. In the opposite case, when a strong inclusion is located in a plastic matrix, regardless of the interface properties, the strong bonds with a high modulus are the first to fail. Keywords: bonded particle model, fracture, material with inclusion, stress, deformation.
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