Гибридные конечные элементы для автоматизированного проектирования пространственных пластинчатых конструкций
Диссертация
В последние годы широкое применение в подсистемах прочностных и конструктивных расчетов пространственных строительных конструкций нашел метод конечных элементов (МКЭ). Как правило, при решении таких задач используются конечные элементы, полученные на основе метода перемещений для применения в плоских задачах. Наряду с тем, что используемые на практике простые элементы несовместны даже в случае… Читать ещё >
Содержание
- 1. ОБЗОР ЛИТЕРАТУРЫ. ЦЕЛЬ ДИССЕРТАЦИИ
- 1. 1. Обзор исследований по построению конечных элементов
- 1. 2. Цель и задачи работы
- 2. ПОСТРОЕНИЕ ГИБРИДНЫХ КОНЕЧНЫХ ЭЛЕМЕНТОВ
- 2. 1. Выбор модели
- 2. 2. Вариационный функционал
- 2. 3. Конечные элементы плоско-напряженного плоско-деформированного) состояния
- 2. 4. Изгибные конечные элементы
- 3. РЕЗУЛЬТАТЫ ТЕСТИРОВАНИЯ И ЧИСЛЕННЫЕ ПРИМЕРЫ
- 3. 1. Сходимость построенных конечных элементов
- 3. 2. Результаты тестирования элементов плоско-напряженного и плоско-деформированного состояний
- 3. 3. Результаты тестирования изгибных элементов
- 3. 4. Результаты тестирования элементов плоской оболочки
- 3. 5. Использование новых конечных элементов в ПК семейства МкгоГЕ
- ОСНОВНЫЕ РЕЗУЛЬТАТЫ
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