Analysis of ultimate limit load of spherical shells applying von mises yield criterion
Файли
Дата
2015
Автори
Ulitinas, Tomas
Kalanta, Stanislovas
Blaževičius, Gediminas
Atkočiūnas, Juozas
Заголовок журналу
Журнал ISSN
Назва тому
Видавець
КНУБА
Анотація
In this paper, the problems of ultimate limit load of spherical shell are formulated and solved. An equilibrium finite element developed by the method of Bubnov-Galerkin is suggested. Equilibrium and geometrical equations are created for this element and, based on these equations, the mathematical models of ultimate limit external load optimization problems for the shell structures are constructed.
These are nonlinear mathematical programming problems. The methodology is illustrated by the numerical examples. The solution results are obtained for the finite elements of various sizes and show very high accuracy of the suggested element and convergence of the results.
Опис
Ключові слова
geometric equations, shell constructions, nonlinear mathematical programming
Бібліографічний опис
Analysis of ultimate limit load of spherical shells applying von mises yield criterion / Т. Ulitinas, S. Kalanta, G. Blaževičius, J. Atkočiūnas // Опір матеріалів і теорія споруд : наук.- техн. зб. / Київ. нац. ун-т буд-ва і архітектури ; відп. ред. В. А. Баженов. – Київ, 2015. – Вип. 94. – С. 49-58. - Бібліогр. : 14 назв.