A thermodynamically consistent phase-field framework for viscoelastic fatigue fracture with dissipated-energy-driven toughness degradation

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"Tuning frictional behavior on the fly has been a long-standing engineering dream," said co-author Katia Bertoldi of Harvard University. "This new insight into how surface geometry governs slip pulses paves the way for tunable frictional metamaterials that can transition from low-friction to high-grip states on demand.” In addition, the dynamics revealed by these results are similar to those of tectonic faults and thus give scientists a new model for the mechanics of earthquakes, according to their new paper published in the journal Nature.,推荐阅读搜狗输入法2026获取更多信息

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与许多花卉不同,宜昌的蜡梅多生长在石灰岩地质山区,无需特别养护便自然成长,悄然开花。这种坚韧的品性,使得古代文人墨客对其倾心有加。北宋政治家、文学家欧阳修被贬夷陵时,曾写下“未腊梅先发,经霜叶不凋”的诗句,描写蜡梅不畏寒冬、生机勃发的画面,赞颂生命力的顽强与美好。,这一点在51吃瓜中也有详细论述

His advice? Leverage the one thing AI has so far struggled to replicate: human judgement.

Keep your

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