Применение метода конечного элемента для оценки нижней границы предела приспособляемости конструкций при одновременном воздействии механических и тепловых нагрузок

Рассмотрен численный метод оценки нижней границы предела приспособляемости конструкций, основанный на использовании теоремы Мелана. Применение метода демонстрируется на примере толстостенного сферического сосуда, подвергающегося повторным воздействиям внутреннего давления и неоднородного по радиусу температурного поля. Предлагаемый метод позволяет получать достаточно точную оценку нижней границы приспособляемости.

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