Решение контактной задачи для плос-кости, ослабленной щелью перемен-ной ширины, в неоднородном напря-женном поле

Авторы

  • Ш. Г. Гасанов Азербайджанский технический университет, г. Баку, Azerbaijan

Ключевые слова:

изотропная площадь в неоднородном поле напряжений, щель переменной ширины, контактные зоны, контактные напряжения

Аннотация

Дается математическое описание частичного закрытия щели переменной ширины в плоскости в неоднородном напряженном поле. Ослабленная плоскость считается упругой и изотропной. Принято, что переменная ширина щели сравнима с упругими деформациями. Взаимодействие поверхностей щели под действием неоднородного напряженного поля может приводить к возникновению зон их контакта. Контактные напряжения, возникающие между берегами щели, и границы зон контакта изначально неизвестны и находятся в процессе решения. Исследуется возникновение нескольких участков контакта берегов щели. Считается, что на площадке контакта частично возникает сцепление берегов щели, частично – их проскальзывание, при этом на участках проскальзывания имеют место силы сухого трения. Задача о равновесии щели с частично контактирующими берегами сводится к задаче линейного сопряжения аналитических функций. Решение контактной задачи получено в квадратурах

Биография автора

Ш. Г. Гасанов, Азербайджанский технический университет, г. Баку

Доктор технических наук

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Опубликован

2017-06-30

Выпуск

Раздел

Динамика и прочность машин