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http://www.tychina.jimdo.com/ 00:00:00 - Удельная потенциальная энергия формоизменения; 00:13:57 - Предельное состояние; 00:14:46, 00:23:09 - Коэффициент запаса прочности; 00:18:35 - Равноопасные напряжённые состояния; 00:20:11 - Эквивалентное напряжение; 00:23:43 - Теории пластичности, теории разрушения; 00:24:10 - Теория максимального касательного напряжения: 00:26:43 -- общий случай; 00:29:39 -- упрощённое плоское напряжённое состояние; 00:35:23 - Энергетическая теория: 00:38:16 -- общий случай; 00:40:33 -- упрощённое плоское напряжённое состояние; Теория прочности Мора: 00:49:00 -- общий случай; 01:03:35 -- упрощённое плоское напряжённое состояние; 01:08:13 - Пример X.1. (пространственная рама, коэффициент запаса прочности). Поправки: 00:00:25.0 - "...плотность распределения потенциальной энергии..." 00:35:14.1 - "Stress intensity" 0:44:47 - Внутри скобок перед слагаемыми должны быть знаки "-" и "+". Однако на результат это не влияет, скобки стоят в квадрате. 00:52:21.3 - "...предельное состояние наступит..." 00:53:11.0 - "...предельное состояние наступит..." 00:54:39.5 - предел текучести при сдвиге Tau_T. 1:04:00 - "полуразность". 1:42:35 - Коэффициент в формуле не 23, а 45 и опаснее, получается, второе рассматриваемое поперечное сечение. По материалам: www.tychina.jimdo.com/конспекты-лекций/#k9 стр. 36-38 www.tychina.jimdo.com/конспекты-лекций/#k10 стр. 2-15.
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