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- rock impact dynamics 岩石冲击动力学
- The effects of casing flexibility on the impact dynamics of a rotor/casing system are studied. 摘要挠性外壳对转子/外壳系统的冲击动态行为影响在本文中被提出。
- Hypervelocity impact dynamics and spacecraft protection as an important part of hypervelocity impact technology, is reviewed in this paper. 摘要 概述了超高速撞击动力学的国内外研究背景；
- A mechanical model of impact truing was set up based on the theory of impact dynamics and stress wave spreading, and stress distribution was described accurately. 以冲击动力学和应力波传播理论为基础，建立了冲击整形的力学模型，较为准确地描述了水泥环中的应力分布。
- Based on the dropping impact dynamics characteristic under non damage condition, a non-linear viscoelastic model was develop to describe of pear the rheological characteristic. 基于梨果实非损伤条件下的跌落冲击动力学特征，采用非线性黏弹性本构模型表征其流变特性。
- Finally, some numerical simulations are executed in the case of the different stiffness of the flexible beam, the effects of the structural flexibility on the system impact dynamics are investigated. 最后根据不同刚度下的柔性梁的动力学仿真计算,探讨了结构柔性对系统碰撞过程动力学行为的影响。
- Numerical examples for hypervelocity impact by the coupled method show that the coupled method is a more efficient method to simulation of large deformation problems in impact dynamics. 高速碰撞的系列算例说明，耦合算法不但适宜于计算大变形冲击动力学问题，而且由于集两种方法的优点于一身，可以更高效地模拟一些高速碰撞问题，提高计算效率。
- Scientists conducted a research on impact stress in rocks impacted by water jets. 科学家们研究了向岩石喷射水时岩石产生的冲击应力。
- By means of thermal infrared (TIR) imaging detecting on rock impacted by free-falling steel ball, the rock target's TIR temperature of five typical crust rocks was detected. 摘要采用热红外(TIR)成像技术和落球撞击实验，对大理岩、花岗闪长岩、红色斑状花岗岩、辉长岩和砂岩等5类典型地壳岩石试件进行了热红外辐射观测。
- Impact Dynamics of Flexible Hub-Beam System 刚体-柔性梁系统的撞击动力学分析
- The rock was honeycombed with passages. 岩石上有许多蜂窝状的小孔。
- Many young rock hounds grow up to be geologists. 许许多多爱好收集岩石的少年，长大后成了地质学家。
- The climber had to negotiate a steep rock face. 那攀登者得攀越一陡峭岩石。
- This layer of rock contains a lot of flint. 这一岩层中有大量燧石。
- The water had worn a channel in the rock. 水把岩石冲出了一条沟。
- He dash the glass bowl to bit on a rock. 他对著石块把玻璃碗砸得粉碎。
- The mountain rise up in a steep wall of rock. 这座山高而陡，形成一道岩石屏障。
- The mountain rose up in a steep wall of rock. 这座山高而陡，形成一道岩石屏障。
- He chiseled that rock into the figure of a woman. 他把那块石头凿成一个女人像。
- These bullets fragment on impact. 这些子弹射中物体时爆炸成碎片。
