Об особенностях численной диагностики мгновенного разрушения решения на примере решения уравнения медленной диффузии
Авторы
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И.В. Пригорный
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А.А. Панин
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Д.В. Лукьяненко
Ключевые слова:
дифференциальные уравнения в частных производных
численная диагностика разрушения решения
мгновенное разрушение
некорректно поставленные задачи
Аннотация
В работе демонстрируется, как метод апостериорной оценки порядка точности разностной схемы по Ричардсону позволяет сделать вывод о некорректности постановки (в смысле отсутствия решения) решаемой численно начально-краевой задачи для уравнения в частных производных. Это актуально в ситуации, когда аналитическое доказательство некорректности постановки ещё не получено или принципиально невозможно.
Раздел
Методы и алгоритмы вычислительной математики и их приложения
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