Stress Fields Near a Circular Hole in a Porous Medium Under Plane Deformationстатья
Информация о цитировании статьи получена из
Web of Science,
Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 29 апреля 2021 г.
Аннотация:A semi-analytical solution to the problem of the action of internal pressure on the surface of a cylindrical channel in a porous body is obtained. The dependence of the stress distribution on the value of the parameter characterizing the porosity of the material was studied, and it was found that the stress distribution substantially depends on the value of this parameter. It is shown that the stress distribution and their level differ significantly from the values for a continuous material with plastic properties invariant to the type of external influences, for which the Huber – von Mises criterion can be used. In addition, it was found that the size of the plastic region slightly depends on the pressure on the surface of the hole, but the stress distribution is very sensitive to the magnitude of the load.