Развитие методики численного исследования контактной задачи плоской теории упругости
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НТУ "ХПИ"
Abstract
В развитие методики дополнена вариационная и структурная постановка плоской контактной задачи теории упругости для однородных тел произвольной геометрической формы на основе функционала Рейсснера. Рассмотрена новая задача поиска неизвестной области контакта на участках взаимодействии упругого тела со штампами. На конкретном примере исследовано влияние боковых врезов различной конфигурации на ширину искомой области контакта.
In the paper a method for solving planar contact elasticity problems using Reissner functional is developed. The method is adapted for solving a new problem of determining unknown contact areas on the sites of interaction of an elastic body and dies. The unknown contact areas were previously determined for the coupling cases only, whereas the contact areas under the dies were assumed to remain unchanged. The problem is supplemented by appropriate boundary conditions and structures. To illustrate the method applications a specific problem is considered. It is shown that the areas of the contact of the body with the dies differ depending on the geometrical characteristics of the body side faces. Outside these areas the body separates from the dies.
In the paper a method for solving planar contact elasticity problems using Reissner functional is developed. The method is adapted for solving a new problem of determining unknown contact areas on the sites of interaction of an elastic body and dies. The unknown contact areas were previously determined for the coupling cases only, whereas the contact areas under the dies were assumed to remain unchanged. The problem is supplemented by appropriate boundary conditions and structures. To illustrate the method applications a specific problem is considered. It is shown that the areas of the contact of the body with the dies differ depending on the geometrical characteristics of the body side faces. Outside these areas the body separates from the dies.
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Тарсис Е. Ю. Развитие методики численного исследования контактной задачи плоской теории упругости / Е. Ю. Тарсис // Вестник Нац. техн. ун-та "ХПИ" : сб. науч. тр. Темат. вып. : Математическое моделирование в технике и технологиях. – Харьков : НТУ "ХПИ". – 2015. – № 41 (1150). – С. 130-134.
