您要查找的是不是：
- dynamic fracture problems 动态断裂问题
- The classical fracture mechanic can only explain the static fracture problem of drill string, but it is incapble of explain drill string failure under dynamic load. 传统的断裂力学只能解释石油管柱静态断裂问题，而不能解释动载下钻柱失效问题。
- The fracture problem of the functionally graded material (FGM) is analyzed using the element-free method (EFM). 本文采用无单元法分析了功能梯度材料的断裂力学问题。
- The dynamic fracture tests in a Hopkinson bar were sometimes considered as three-point bending tests. 而Hopkinson杆动态断裂试验往往被认为是动态三点弯曲试验。
- The Fracture problems of orthotropic plates were studied by using the boundary element subfield method. 本文提出边界元分域法研究正交各向异性板的断裂问题。
- Dynamic caustics method is introduced to study dynamic fracture behavior of a beam-column connection under impact. 摘要利用透射式动焦散线研究了冲击作用下梁柱节点的动态断裂特性。
- In this paper, the orthotropic bimaterial interlaminar fracture problem is studied by using theory of complex function. 摘要采用复变函数方法研究了正交异性双材料层间断裂问题。
- Jacob J.Guydsih &John F.Fleming, "Optimization of the Finite Element for the Solution of Fracture Problems, "Engng. Fract. Mech., Vol.10.p31-42(1978). 许哲维，"局部热应力对疲劳裂缝成长迟滞现象之探讨"，国立成功大学造船暨船舶机械工程研究所硕士论文，第65-66页（1998）。
- The dynamic fracture toughness of 921A steel in different low temperature was obtained respectively with the instrumented impact test. 采用仪器化冲击试验,分别获得了不同低温状态下921A钢的动态断裂韧度。
- These results are given in this paper have certain referential value in studies of bending fracture problems for functionally graded materials. 对于功能梯度材料弯曲断裂问题的研究具有一定的参考价值。
- To simplify the fracture problem, past research works used to idealize a crack as a perfectly straight slit. 以往研究为了简化问题，多将结构之裂纹理想化成为一平直之直线裂纹。
- The validity of method of dynamic fracture toughness measurement by instrumented Charpy impact test is analysed by use of the dynamic fracture test of 945-shipbuilding steel. 借助于船用945钢的动态断裂试验，对利用示波冲击测定材料动态断裂韧性方法的有效性进行了分析。
- Then, the fracture problem of three dimensional FGM strips with center through cracks or edge through cracks is investigated. 接着,本文研究了含有中心贯穿裂纹和边沿贯穿裂纹三维功能梯度板的断裂问题。
- The bending fracture problems of cracked plate for anisotropic functionally graded materials under loads of pure bending, pure twisting or bending and twisting are discussed. 摘要探讨各向异性功能梯度材料裂纹板受纯弯、纯扭、弯扭载荷作用下的弯曲断裂问题。
- The results show that the fatigue properties and static and dynamic fracture toughness of 0Cr18Ni12Mo2Ti forging steel can meet the safety requirements in ASME code. This material has good comprehensive mechanical properties. 结果表明，0Cr18Ni12Mo2Ti锻钢的疲劳性能和动、静态断裂韧度满足ASME规范的安全性要求，该材料具有良好的综合力学性能。
- Because the process of rock broken is very complicated, there is a difference between the experimental data and theoretical result of expanding fissure by the present dynamic fracture theory. 由于岩石破碎过程非常复杂的,采用当前的动态断裂理论得出的裂纹扩展长度与实测值差异较大。
- In such circumstances, coronal incision may solve the fracture problem but it may lead to other aesthetic complications such as long and ugly scars and alopecia over the incision site. 但以冠状切割方式解决这类骨折问题，除了失血量多外，在外观方面，会在头皮上遗留下很长一道疤痕，而且可能造成该部份的头皮长不出毛发的问题。
- The research results were used in design of a punch in flashless die forging for the star-like inner race of constant-velocity universal joint in cars and the fracture problem of punch was solved. 将研究结果应用于轿车等速万向节星形套闭塞模锻凸模设计中，解决了闭塞模锻工艺中凸模断裂问题，对闭塞模锻凸模设计有一定的指导意义。
- dynamic fracture and fragmentation 动态断裂与破碎
- thermal elasticity fracture problem 热弹性断裂
- 今日热词
-
- 深远海浮式风电平台 - deep-sea floating wind power platform
-
- 京雄高速公路 - Beijing-Xiongan expressway
-
- 农业及相关产业增加值 - the added value of agriculture and related industries
