Various ways to build effective characteristics for a pipe made of a layered composite material

Bobyleva, T.; Shamaev, A.

Авторы: Bobyleva T., Shamaev A.
Журнал: E3S Web Conf. Web Conf. XXII International Scientific Conference “Construction the Formation of Living Environment” (FORM-2019), 2019 XXII International Scientific Conference “Construction the Formation of Living Environment” (FORM-2019)
Том: 97
Номер: 02027
Год издания: 2019
Первая страница: 1
Последняя страница: 7
DOI: 10.1051/e3sconf/20199702027
Аннотация: Composite materials consisting of several phases are widely used in modern construction. Numerous experiments have shown that the properties of structurally heterogeneous materials can differ significantly from those of the individual components making up the composition. Besides, rapidly changing coefficients of differential equations describing such composite materials greatly complicate the solution of boundary value problems even with the help of computer calculation methods. Therefore, the homogenization method is used. In this paper the two approaches propose to obtain in explicit analytical form the effective model of the problem of loading a heterogeneous pipe made of layered material, provided that the elastic properties of the material depend only on the distance from the center of the section of the pipe. We point to a method that obviously leads to an analytical result. It follows from the article that it is possible to choose the function that determines the structure of the “winding” in such a way as to obtain the stiffness characteristics of the pipe as close as possible to the desired with fixed mass fractions of the materials used. A similar approach can be applied to the study of creep properties of pipes made of composite materials. Работа выполнена в рамках госзадания АААА-А17-117021310387-0
Добавил в систему: Шамаев Алексей Станиславович

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