МОДЕЛЮВАННЯ НЕЛІНІЙНОГО ДЕФОРМУВАННЯ ТА ВТРАТИ СТІЙКОСТІ ПРУЖНИХ НЕОДНОРІДНИХ ОБОЛОНОК

Заголовок (російською): 
МОДЕЛИРОВАНИЕ НЕЛИНЕЙНОГО ДЕФОРМИРОВАНИЯ И ПОТЕРИ УСТОЙЧИВОСТИ УПРУГИХ НЕОДНОРОДНЫХ ОБОЛОЧЕК
Заголовок (англійською): 
MODELING OF NONLINEAR DEFORMATION AND BUCKLING OF ELASTIC INHOMOGENEOUS SHELLS
Автор(и): 
В.А. Баженов, М.О. Соловей, О.П. Кривенко
Автор(и) (англ): 
V.A. Bazhenov, N.A. Solovei, O.P. Krivenko
Ключові слова (укр): 
геометрично нелінійне деформування, стійкість, тонка пружна неоднорідна оболонка, термосилове навантаження
Ключові слова (рус): 
геометрически нелинейное деформирование, устойчивость, тонкая упругая неоднородная оболочка, термосиловая нагрузка
Ключові слова (англ): 
geometrically nonlinear deformation, buckling, thin elastic inhomogeneous shell, thermomechanical load
Анотація (укр): 
Викладено основи метода розв'язування статичних задач геометрично нелінійного деформування, стійкості та закритичної поведінки тонких пружних неоднорідних оболонок, що мають складну форму серединної поверхні, геометричні особливості за товщиною, багатошарову структуру матеріалу та знаходяться в умовах складного термосилового навантаження. Підхід базується на геометрично нелінійних співвідношеннях тривимірної теорії термопружності та використанні моментної схеми скінченних елементів. Дано чисельне обґрунтування метода. Виконано порівняння розв'язків с розв'язками інших авторів і в програмних комплексах ЛІРА, SCAD
Анотація (рус): 
Изложены основы метода решения статических задач геометрически нелинейного деформирования, устойчивости и закритического поведения тонких упругих неоднородных оболочек, имеющих сложную форму срединной поверхности, геометрические особенности по толщине, многослойную структуру материала и находятся в условиях сложного термосилового нагружения. Подход основан на геометрически нелинейных соотношениях трехмерной теории термоупругости и использовании моментной схемы конечных элементов. Дано численное обоснование метода. Выполнено сравнение решений с решениями других авторов и в программных комплексах ЛИРА, SCAD.
Анотація (англ): 
The paper outlines the fundamentals of the method of solving static problems of geometrically nonlinear deformation, buckling, and postbuckling behavior of thin thermoelastic inhomogeneous shells with complex-shaped mid-surface, geometrical features throughout the thickness, and multilayer structure under complex thermomechanical loading. The method is based on the geometrically nonlinear equations of three-dimensional thermoelasticity and the moment finiteelement scheme. The method is justified numerically. Comparing solutions with those obtained by other authors and by software LIRA and SCAD is conducted.
Публікатор: 
Київський національний університет будівництва і архітектури
Назва журналу, номер, рік випуску (укр): 
Опір матеріалів і теорія споруд. 2014. № 92
Мова статті: 
English
Формат документа: 
application/pdf
Документ: 
12.pdf
Дата публікації: 
01 March 2015
Номер збірника: 
92
Університет автора: 
Київський національний університет будівництва і архітектури
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