标题： 斜向撞击中压力强化岩石的冲击加热增强 显示英文标题

标题： Enhancement of impact heating in pressure-strengthened rocks in oblique impacts

摘要： 冲击诱发的陨石变质作用为我们了解太阳系的碰撞环境和历史提供了信息。 最近，从正面对撞模拟中报告了材料强度在撞击加热中的重要性。 在这里，我们进行三维斜向撞击模拟，并确认了由于材料强度导致的斜向撞击的额外加热。 尽管在给定撞击速度下，撞击点的峰值压力存在很大差异，但我们发现斜向撞击的加热质量与正面对撞几乎相同。 因此，我们的结果与之前发现的随着撞击变得越来越斜，加热质量减少的结论不同，并表明额外的剪切加热对于斜向撞击比正面对撞更有效。 这也表明，在斜向撞击过程中喷射出的材料倾向于经历较低的冲击压力但较高的温度。 显示英文摘要

摘要： Shock-induced metamorphism in meteorites informs us about the collisional environment and history of our solar system. Recently the importance of material strength in impact heating was reported from head-on impact simulations. Here, we perform three-dimensional oblique impact simulations, and confirm the additional heating due to material strength for oblique impacts. Despite a large difference in the peak pressure at the impact point at a given impact velocity, we find that the heated mass for an oblique impact is nearly the same as that for a head-on impact. Thus, our results differ from the previous finding that the heated mass decreases as the impact becomes more oblique, and show that the additional shear heating is more effective for oblique impacts than for head-on impacts. This also indicates that material ejected during oblique impact tends to experience lower shock pressures but higher temperatures.